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ABB Ltd. (NYSE:ABB), ABB is a leader in power and automation technologies that enable utility and industry customers to improve performance while lowering environmental impact. The ABB group of companies operates in some 100 countries and employs approximately 120,000 people. In Canada (www.abb.ca), ABB employs over 2,000 people in 26 locations from coast to coast.

Abbey plc (LSE:ABBY.L) main activities are residential housing developments in the UK, Ireland and Prague.

Acciona SA (OTC:ACXIF; MCE:ANA.MC) is one of the foremost Spanish business corporations, leader in the development and management of infrastructure, renewable energy, water and services. ACCIONA Construction is at the forefront in R&D+ and one of the leading construction companies in the world, using the latest techniques to carry out projects. ACCIONA Construction covers the whole range of construction, from engineering to the performance of works and their later maintenance, and also the management of public works concessions, particularly in the field of transport and social infrastructures.

Acuity Brands, Inc., (NYSE:AYI) is a North American market leader and one of the world`s leading providers of luminaires, lighting control systems and related products and services with fiscal year 2010 net sales of over $1.6 billion. The Company`s lighting and system control product lines include Lithonia Lighting®, Holophane®, Peerless®, Mark Architectural Lighting(TM), Hydrel®, American Electric Lighting®, Gotham®, Carandini®, RELOC®, Antique Street Lamps(TM), Tersen®, Winona® Lighting, Syner­gy® Lighting Controls, Sensor Switch®, Lighting Control & Design(TM), Dark to Light®, ROAM®, Sunoptics®, acculampTM) and Healthcare Lighting®. Headquartered in Atlanta, Georgia, Acuity Brands employs approximately 6,000 associates and has operations throughout North America, Europe and Asia.

AECOM Technology Corporation (NYSE:ACM) is a global provider of professional technical and management support services to a broad range of markets, including transportation, facilities, environmental, energy, water and government. With approximately 45,000 employees around the world, AECOM is a leader in all of the key markets that it serves. AECOM provides a blend of global reach, local knowledge, innovation, and technical excellence in delivering solutions that enhance and sustain the world's built, natural, and social environments. A Fortune 500 company, AECOM serves clients in more than 100 countries and had revenue of $6.1 billion during its fiscal year 2009.

Aecon Group Inc. (TSX:ARE.TO) As the largest publicly traded construction and infrastructure development company in Canada, our expertise covers the full range of services, including design and construction, financing, operating, procurement and project management.

Aerofoam Metals Inc. (OTCPK:AFML) under the brand Aerometal, manufactures foamed aluminum products for applications in automotive, defense, and aerospace industries.

Alumasc Group plc (LSE:ALU.L) is a UK based supplier of premium building and precision engineering products. The majority of the group's business is in the area of sustainable building products which enable customers to manage energy and water use in the built environment. We believe that growth rates in these sectors, through the construction cycle, will exceed UK industry averages.

AMCOL International Corporation (NYSE:ACO) produces and markets a wide range of specialty minerals and materials used for industrial, environmental and consumer-related applications. AMCOL operates four primary segments: Minerals & Materials, Environmental, Oilfield Services and Transportation, providing a diverse range of products and services. Major markets served include metalcasting, detergents, pet products, building materials and personal care.

American Biltrite Inc. (AMEX:ABL) offers vinyl and vinyl composition floor coverings and sells them primarily through floor covering distributors to retailers and contractors for commercial and residential use. It also produces adhesive-coated and pressure-sensitive papers and films used to protect material during handling or storage, or to serve as a carrier for transferring decals or die-cut lettering; and pressure sensitive tapes and adhesive products used for applications in the heating, ventilating, and air conditioning; footwear; automotive; electrical; and electronic industries. Further, it produces resilient floor tiles and rubber tiles, as well as rolled rubber flooring and industrial products, such as conveyor belts, truck and trailer splash guards, and sheet rubber materials; and imports certain rubber and tile products from China for resale.

American Electric Power Co. Inc. (NYSE:AEP), American Electric Power is one of the largest electric utilities in the United States, delivering electricity to more than 5 million customers in 11 states. AEP ranks among the nation's largest generators of electricity, owning more than 38,000 megawatts of generating capacity in the U.S. AEP also owns the nation's largest electricity transmission system, a nearly 39,000-mile network that includes more 765-kilovolt extra-high voltage transmission lines than all other U.S. transmission systems combined. AEP's transmission system directly or indirectly serves about 10 percent of the electricity demand in the Eastern Interconnection, the interconnected transmission system that covers 38 eastern and central U.S. states and eastern Canada, and approximately 11 percent of the electricity demand in ERCOT, the transmission system that covers much of Texas. AEP's utility units operate as AEP Ohio, AEP Texas, Appalachian Power (in Virginia and West Virginia), AEP Appalachian Power (in Tennessee), Indiana Michigan Power, Kentucky Power, Public Service Company of Oklahoma, and Southwestern Electric Power Company (in Arkansas, Louisiana and east Texas). AEP's headquarters are in Columbus, Ohio.

Ameron International (NYSE:AMN) is a multinational manufacturer of highly-engineered products and materials for the chemical, industrial, energy, transportation and infrastructure markets. Ameron is a leading producer of fiberglass-composite pipe for transporting oil, chemicals and corrosive fluids, and specialized materials and products used in infrastructure projects, such as poles and construction materials in Hawaii. Ameron is also a leading provider of water transmission lines and fabricated steel products, such as wind towers. Ameron operates businesses in North America, South America, Europe and Asia, has a presence through affiliated companies in the Middle East, and has approximately 2,900 employees and 25 manufacturing locations on a worldwide basis.

Apogee Enterprises, Inc. (NasdaqGS: APOG) is a leader in technologies involving the design and development of value-added glass products and services. The company is organized in two segments: Architectural products and services companies design, engineer, fabricate, install, maintain and renovate the walls of glass and windows comprising the outside skin of commercial and institutional buildings; Large-scale optical segment consists of a value-added glass and acrylic manufacturer for the custom framing market.

Armstrong (NYSE:AWI) is a global leader in the design and manufacture of floors, ceilings and cabinets. In 2010, Armstrong's consolidated net sales totaled approximately $2.8 billion. Based in Lancaster, Pa., Armstrong operates 33 plants in eight countries and has approximately 9,500 employees worldwide.

Armtec Infrastructure Inc. (TSX:ARF.TO) is a leading manufacturer and marketer of a comprehensive range of infrastructure products and engineered construction solutions for customers in a diverse cross-section of industries that are located in every region of Canada, as well as in selected markets globally. These markets include Canada's national and regional public infrastructure markets and private sector markets in agricultural drainage, commercial building, residential construction and natural resources. Operating through its network of regional offices and production facilities across the country, Armtec's broad range of engineered solutions include products for drainage, bridge applications, soil retention, rehabilitation and water management systems including corrugated high-density polyethylene, corrugated steel and concrete pipe; an array of architectural and structural precast and pre-stressed concrete products from steps, paving stones, slabs and wall panels to highly engineered structural components designed and installed for projects such as bridges, sports venues and parking garages; and a full suite of noise barriers, acoustic enclosure and wall systems along with associated retaining wall and traffic barrier systems

Ashland Inc (NYSE:ASH) In more than 100 countries, the people of Ashland Inc. provide the specialty chemicals, technologies and insights to help customers create new and improved products for today and sustainable solutions for tomorrow. Our chemistry is at work every day in a wide variety of markets and applications, including architectural coatings, automotive, construction, energy, food and beverage, personal care, pharmaceutical, tissue and towel, and water treatment. Visit www.ashland.com to see the innovations we offer through our four commercial units - Ashland Specialty Ingredients, Ashland Water Technologies, Ashland Performance Materials and Ashland Consumer Markets (Valvoline).

Beazer Homes USA, Inc. (NYSE: BZH) is one of the top ten homebuilders in the United States, based on number of homes closed. Our ongoing operations are geographically diversified in 16 states across the country, and our high performance homes, called eSMART, are designed to appeal to homebuyers at various price points across various demographic segments.

BlueLinx Holdings Inc. (NYSE:BXC) operating through its wholly owned subsidiary BlueLinx Corporation, is a leading distributor of building products in North America. Employing approximately 1,900 people, BlueLinx offers greater than 10,000 products from over 750 suppliers to service approximately 11,500 customers nationwide, including dealers, industrial manufacturers, manufactured housing producers and home improvement retailers. The Company operates its distribution business from sales centers in Atlanta and Denver, and its network of approximately 56 distribution centers.

Boyuan Construction Group, Inc (TSX:BOY.TO) is in the business of commercial building and residential construction, municipal infrastructure and engineering projects. In its last three fiscal years June 30, 2010, Boyuan completed more than 80 projects for a number of private and public sector clients including Cargill and the Dalian Shide Group, a billion dollar conglomerate whose partners include DuPont, Mitsubishi and General Electric. Boyuan's current project backlog includes residential, commercial, industrial and mixed-use developments. From its operating bases in Zhejiang Province and in Hainan Province, Boyuan focuses on construction projects in China's fast-growing regions of the Yangtze River Delta, Hainan Province and Shandong Province.

Brookfield Residential Properties (NYSE:BRP) is a North American land developer and homebuilder, active in ten principal markets with over 100,000 lots controlled. We create value for shareholders through master planning and entitling our significant land holdings, by building homes in our own communities and by selling lots to third-party builders. Brookfield Residential Properties Inc. was formed on March 31, 2011, from the merger of Brookfield Office Properties residential division (Carma Developers LP) and Brookfield Homes Corporation.

Calton, Inc. (OTCPK:CTON) through its subsidiary, Homes by Calton, LLC, focuses on homebuilding developments primarily located in Indian River County, Florida. The company offers single-family detached homes in 14 house floor plans with the size of homes ranging from 1,900 square feet to 3,600 square feet in Florida, as well as provides various options, including media rooms, bonus rooms, pools, and outdoor kitchens to purchasers for additional charges. It also operates as a contract builder for individual landowners.

Capstone Infrastructure Corporation (TSX:CSE.TO) - formerly MacQuarrie Power and Infrastructure Corporation - mission is to build and responsibly manage a high quality portfolio of infrastructure businesses in Canada and internationally in order to deliver a superior total return to shareholders through a combination of stable dividends and capital appreciation. The Corporation's portfolio currently includes investments in gas cogeneration, wind, hydro, biomass and solar power generating facilities, representing approximately 370 MW of installed capacity, and a 33.3% interest in a district heating business in Sweden.

CATERPILLAR INC (NYSE:CAT) a Fortune 100 company, is the world's leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. Caterpillar was founded by two innovators from the agriculture industry, Benjamin Holt and Daniel Best,whose mission was to provide better solutions for their customers' business needs. Both were among the first to introduce steam- and gasoline-powered farm equipment. After joining forces to form Caterpillar, they were first to market with diesel-powered track-type tractors. Over the years, Caterpillar people have followed in our founders' footsteps, introducing breakthrough solutions in turbo charging technology, electronic controls, fuel systems, drive systems and more for the purpose of enhancing our customers' success.

Cavico Corporation (OTCBB: CVIC) Cavico Corp. is focused on large infrastructure projects, which include the construction of hydropower facilities, dams, bridges, tunnels, roads, mines and urban buildings. Cavico is also making investments in hydropower facilities, cement production plants and urban developments in Vietnam. The company employs more than 3000 employees on projects worldwide, with offices throughout Vietnam and a satellite office in Australia. Founded in 2000, Cavico is a major infrastructure construction, infrastructure investment and natural resources conglomerate headquartered in Hanoi, Vietnam. Cavico is highly respected for its core competency in the construction of mission-critical infrastructure including hydroelectric plants, highways, bridges, tunnels, ports and urban community developments. One of the Company's primary competitive advantages is its ability to nurture a project from concept through completion with a vertical portfolio of interrelated investment, permitting, design, construction management and facility maintenance services. Cavico's project partners include top multi-national corporations and government organizations. The Company employs more than 3,000 people.

CEMEX, S.A.B. de C.V. (NYSE:CX) CEMEX is a growing global building materials company that provides high-quality products and reliable service to customers and communities in more than 50 countries throughout the world. CEMEX has a rich history of improving the well-being of those it serves through its efforts to pursue innovative industry solutions and efficiency advancements and to promote a sustainable future.

Chang-On International Inc. (OTC:CAON) a development stage company, engages in waste recycling and reutilization business in the People's Republic of China. It also manufactures construction materials from waste products. The company develops and produces products utilizing SF material, a composite of waste plastic and coal ash. Its product line consists of wallboards used in building construction, as well as well covers. Chang-On International, Inc. is based in Harbin, the People's Republic of China

Chicago Bridge & Iron (NYSE:CBI) CB&I combines proven process technology with global capabilities in engineering, procurement and construction, to deliver comprehensive solutions to customers in the energy and natural resource industries. With more than 70 proprietary licensed technologies and 1,500 patents and patent applications, CB&I is uniquely positioned to take projects from conceptual design, through technology licensing, engineering and construction and final commissioning. Drawing upon the global expertise and local knowledge of approximately 18,000 employees in more than 80 locations, CB&I safely and reliably executes projects worldwide.

China Advanced Construction Materials Group, Inc. (NasdaqGM:CADC) is a leading producer of advanced, certified eco-friendly ready-mix concrete (RMC) and related technical services for large scale, high-speed rail (HSR) and other complex infrastructure projects. Leveraging its proprietary technology and value-add engineering services model, the Company has won work on numerous high profile projects including the 30,000 km China HSR expansion, the Olympic Stadium Bird's Nest, Beijing South Railway Station, Beijing International Airport, National Centre for Performing Arts, CCTV Headquarters, Beijing Yintai Building and U.S. and French embassies.

China Ceramics Co Ltd (NasdaqGM:CCCL) is a leading manufacturer of ceramic tiles in China. The Company's ceramic tiles are used for exterior siding, interior flooring and design in residential and commercial buildings. China Ceramics' products are sold under the "Hengda" or "HD" brand, the "Hengdeli" or "HDL" brand, the "TOERTO" brand, the "WULIQIAO" brand, and the "Pottery Capital of Tang Dynasty" brand, are available in over 2,000 styles, colors and sizes combinations and are distributed through a network of exclusive distributors or directly to large property developers.

Churchill Corp., The (TSX:CUQ.TO) provides building construction, commercial and industrial electrical contracting, earthmoving and industrial insulation services to an array of public and private sector clients. Churchill operates office locations throughout British Columbia, Alberta, Saskatchewan, Manitoba, northwest Ontario and the Yukon.

Comfort Systems USA, Inc. (NYSE:FIX) is a leading provider of commercial and industrial heating, ventilation and air conditioning (HVAC) and building automation services. With more than 85 locations nationwide, Comfort Systems delivers high quality engineering, design, installation, energy assessment, and repair and maintenance services across the US and in a wide range of customer sectors. Our goal is to lead our industry in consistent, profitable growth.

Comstock Homebuilding Companies, Inc. (NasdaqCM:CHCI) is a multi-faceted real estate development and services company. Our substantial experience in building a diverse range of products including single-family homes, townhouses, mid-rise condominiums, high-rise condominiums and mixed-use (residential and commercial) developments has positioned Comstock as a prominent real estate developer and homebuilder in the Washington, D.C. market place.

Conforce International, Inc. (OTC:CFRI) develops and sells composite flooring systems in Canada. It offers EKO-FLOR flooring systems to replace the outmoded hardwood flooring in the container, trailer, and cruise line industries.

Conns Inc. (NasdaqGS:CONN) specialty retailer currently operating 71 retail locations in Texas, Louisiana and Oklahoma: 23 stores in the Houston area, 18 in the Dallas/Fort Worth Metroplex, eight in San Antonio, three in Austin, five in Southeast Texas, one in Corpus Christi, four in South Texas, six in Louisiana and three in Oklahoma. We sell home appliances, including refrigerators, freezers, washers, dryers, dishwashers and ranges, and a variety of consumer electronics, including LCD, LED, 3-D, plasma and DLP televisions, camcorders, digital cameras, computers and computer accessories, tablets, Blu-ray and DVD players, video game equipment, portable audio, MP3 players, and home theater products. We also sell furniture for the living room, dining room, bedroom and related accessories and mattresses, as well as lawn and garden equipment, and continue to introduce additional product categories for the home to help respond to our customers' product needs and to increase same store sales. Unlike many of our competitors, we provide flexible in-house credit options for our customers. In the last three years, we have financed, on average, approximately 60% of our retail sales.

Craftmade International Inc. (OTCPK:CRFT) offers a wide range of products that can transform the look of your home both inside and out. Whether it's modern or casual, traditional or youth, there's a style to fit any décor. In addition to ceiling fans, we have an extensive lighting collection that includes bath vanities, chandeliers, light bulbs, and outdoor sconces, pendants, and posts. We also carry door chimes, pushbuttons, and an ever expanding array of home and garden accessories.

CRH PCL (NYSE:CRH) engages in the manufacture and distribution of a range of building materials in the Republic of Ireland, Benelux counties, and the Americas. It offers a range of materials, including cement, aggregates, ready mixed concrete, asphalt/bitumen, and agricultural and/or chemical lime products. The company also involves in the production and sale of architectural and structural concrete products, clay products, fabricated and tempered glass products, and construction accessories, as well as the provision of inter-related products and services to the construction sector. In addition, it engages in the merchanting activities; and operation of Do-It-Yourself stores engaged in the marketing and sale of supplies to the construction sector and to the general public. Further, the company manufactures and installs pre-stressed concrete flooring planks, modular precast structures, and other products used in structures, such as hotels, apartments, dormitories, and prisons. Additionally, it offers concrete pipes used for storm and sanitary sewer applications. The company operates approximately 501 Builders Merchants stores in Austria, Belgium, France, Germany, Netherlands, and Switzerland; and 243 Do-It-Yourself stores in Benelux, Germany, Portugal, and Spain.

Cyberlux Corporation (OTCPK:CYBL) is a producer of high quality, energy efficient Solid State Lighting (SSL) products that incorporate LED's from some of the worlds best producers of LED products. Aside from producing our own products, Cyberlux is involved with companies who have requested us to design and build lighting products which compliment their existing products and new lighting products to enhance their current mix of products.

Deere & Company (NYSE:DE) is a world leader in providing advanced products and services for agriculture, forestry, construction, lawn and turf care, landscaping and irrigation. John Deere also provides financial services worldwide and manufactures and markets engines used in heavy equipment. Since it was founded in 1837, the company has extended its heritage of integrity, quality, commitment and innovation around the globe.

Diploma Group (ASX:DGX.AX) operates as a construction and property development company with a portfolio of commercial, retail, and residential developments in Australia. The company operates through two segments, Construction and Property Development. The Construction segment offers various services, including design and construct agreements, construction project management, site management, construction management, construction supervision, contracting services, and above ground and below ground construction work. This segments clients and projects comprise multi level residential, remote accommodation and infrastructure work, hotels, hospitality and tourism, commercial offices, retail, industrial offices, government, health and aged care, and sport and recreation industry groups. The Property Development segment provides property development solutions for external clients, such as individuals and multi-national organizations. This segment undertakes development projects in the commercial, retail, and residential sectors. Its services comprise project identification, feasibility studies, finance solutions, site acquisition, joint venture opportunities, design, construction management, sales and marketing, property management, legal, and reporting.

DR Horton (NYSE:DHI) is America's largest new home builder as reported by Builder magazine. For over 30 years, D.R. Horton has consistently delivered top-quality new homes to homebuyers across the nation. Our livable floor plans, energy efficient features and robust new home warranty demonstrate our commitment to excellence in construction. D.R. Horton new homes are built with unmatched efficiencies-all based on a philosophy from our founder, Donald R. Horton, of creating value every step of the way.

Dynamic Ventures Corp, (OTC:DYNV) develops and markets efficient construction solutions for residential and commercial buildings. The Company offers a turnkey solution enabling the firm to custom design, manufacture and install complete LEED certified structures.

Eagle Materials Inc. (NYSE:EXP) manufactures and distributes Cement, Aggregates, Concrete, Gypsum Wallboard and Recycled Paperboard from 25 facilities across the U.S.

Eco Global Corporation (OTCPK:ECOG) a development stage company, owns a proprietary technology known as INCABLOCK construction system to establish a business that specializes in pre-manufactured houses, as well as commercial and industrial structures. The company holds a patent for the production of concrete interlocking modular blocks system, which can be assembled without any mortar. These opportunities would be offered through strategic joint ventures and licensing for manufacturing and or marketing. It also plans to design, develop, and construct housing units. Eco Global Corporation intends to focus initially on Mexico, followed by the United States, and subsequently other countries.

EcoSynthetix Inc. (TSX:ECO.TO) offers a range of engineered biopolymers that replace the non-renewable chemicals used to manufacture many products, such as paper and packaging, personal care products, insulation and wood composites. Our flagship products, EcoSphere® biolatex® and DuraBind™ biopolymers, provide a sustainable alternative that reduces a customer's carbon footprint, decreases overall material costs and improves performance.

Elbit Imaging Ltd. (NasdaqGS:EMITF) operates in a variety of fields of business including: Commercial and Entertainment Centers - Initiation, construction and sale of shopping and entertainment centers and other mixed-use real property projects, predominantly in the retail sector, located in Central and Eastern Europe and in India; Residential Projects - Initiation, construction and sale of residential projects and other mixed-use real property projects, predominately residential, located primarily in India and Eastern Europe.

EMCOR Group, Inc., (NYSE:EME) is a Fortune 500® worldwide leader in mechanical and electrical construction services, energy infrastructure and facilities services.

Encore Wire Corp. (NasdaqGS:WIRE) manufactures a broad range of copper electrical building wire for interior wiring in commercial and industrial buildings, homes, apartments, and manufactured housing.

EnerDynamic Hybrid Technologies Corp. (TSX:EHT.V) delivers proprietary, turn-key energy solutions which are intelligent, bankable and sustainable. Most energy products and solutions can be implemented immediately wherever they are needed. EHT stands above its competitors by combining a full suite of solar PV, wind and battery storage solutions, which can deliver energy 24 hours per day in both small-scale and large-scale format. In addition to traditional support to established electrical networks, EHT excels where no electrical grid exists. The organization supplies advanced solutions for various industries in combination with energy saving and energy generation solutions. EHT's expertise includes the development of module structures with full integration of smart energy solutions. These are processed through EHT's production technologies into attractive applications: modular homes, cold storage facilities, schools, residential and commercial out buildings and emergency/temporary shelters.

Equity LifeStyle Properties (NYSE:ELS) As of September 21, 2011, Equity LifeStyle Properties, Inc. owns or has an interest in 365 quality properties in 32 states and British Columbia consisting of 134,005 sites. The Company is a self-administered, self-managed, real estate investment trust (REIT) with headquarters in Chicago.

Exelon Corp. (NYSE:EXC) Exelon Corporation is one of the nation's largest electric utilities with nearly $19 billion in annual revenues. The company has one of the industry's largest portfolios of electricity generation capacity, with a nationwide reach and strong positions in the Midwest and Mid-Atlantic. Exelon distributes electricity to approximately 5.4 million customers in northern Illinois and Pennsylvania and natural gas to 480,000 customers in the Philadelphia area.

Exousia Advanced Materials, Inc. (OTCBB:EXOU)Exousia manufactures advanced resins, engineered particles, high-performance coatings and structural products. Exousia products enhance strength, durability, cost effectiveness and performance for a wide range of manufacturing, commercial and construction applications. The Company serves both domestic and international markets.

FIREMANS CONTRACTORS, Inc. (OTCBB:FRCN) is a full service contractor providing superior service in parking lot maintenance and construction services. Our services include Road Improvements, Seal Coating, Parking Lot Striping, Pavement Marking, Asphalt Maintenance and Repair, ADA Compliance and other construction services which are delivered at a competitive price. Fireman's brings professional value system delivering outstanding results through honorable customer relationships and repeat business. Local firefighters are supported by a portion of profits which are donated to local Firefighter Associations. Firefighter and Founder of Fireman's Contractors -- Contractors You Can Trust®

FirstService Corporation (NasdaqGS:FSRV) is a global leader in the rapidly growing real estate services sector, providing a variety of services in commercial real estate, residential property management and property services. As one of the largest property managers in the world, FirstService manages more than 2.4 billion square feet of residential and commercial properties through its three industry-leading service platforms: Colliers International, the third largest global player in commercial real estate services; FirstService Residential Management, the largest manager of residential communities in North America; and Property Services, including North America's largest provider of property preservation, maintenance and management of residential and commercial properties through franchise and contractor networks. FirstService generates over US$2.2 billion in annual revenues and has more than 20,000 employees worldwide.

Fluor Corporation (NYSE:FLR) provides services on a global basis in the fields of engineering, procurement, construction, operations, maintenance and project management. Headquartered in Irving, Texas, Fluor is a FORTUNE 500 company with revenues of $22.3 billion in 2008. (Also water-stocks)

Foster Wheeler, Ltd. (NASDAQGS:FWLT) Foster Wheeler Ltd. is a global engineering and construction contractor and power equipment supplier delivering technically advanced, reliable facilities and equipment. The company employs over 14,000 talented professionals with specialized expertise dedicated to serving our clients through one of its two primary business groups. The company's Global Engineering & Construction Group designs and constructs leading-edge processing facilities for the upstream oil and gas, LNG and gas-to-liquids, refining, chemicals and petrochemicals, power, environmental, pharmaceuticals, biotechnology and healthcare industries. The company's Global Power Group is a world leader in combustion and steam generation technology that designs, manufactures and erects steam generating and auxiliary equipment for power stations and industrial facilities and also provides a wide range of aftermarket services. The company is based in Hamilton, Bermuda, and its operational headquarters are in Clinton, New Jersey, USA.

Gafisa S.A. (NYSE:GFA) is a leading diversified national homebuilder serving all demographic segments of the Brazilian market. Established more than 57 years ago, the Company has completed and sold more than 1,000 developments and built more than 12 million square meters of housing, more than any other residential development company in Brazil. Recognized as one of the foremost professionally managed homebuilders, Gafisa is also one of the most respected and best-known brands in the real estate market, recognized among potential homebuyers, brokers, lenders, landowners, competitors and investors for its quality, consistency and professionalism. Gafisa's preeminent brands include Tenda, serving the affordable/entry-level housing segment, and Gafisa and Alphaville, which offer a variety of residential options to the mid- to higher-income segments.

Gold Horse (OTCBB:GHII) through its wholly owned subsidiaries, Gold Horse International, Inc. (Nevada) and Global Rise International Ltd., controls and operates its variable interest entities Inner Mongolia Jin Ma Construction Co., Ltd., Inner Mongolia Jin Ma Hotel Co., Ltd., and Inner Mongolia Jin Ma Real Estate Development Co., Ltd., all based in Hohhot, the regional capital of Inner Mongolia Autonomous Region in China. Jin Ma Construction has been providing construction and general contractor services in Hohhot to both private developers and to the local and regional governments since 1980. Jin Ma Hotel owns, operates and manages the Jin Ma Hotel, a full-service, two-star hotel and restaurant/banquet facility located in Hohhot. Jin Ma Real Estate develops residential and commercial properties in Hohhot.

Granite Construction Incorporated (NYSE:GVA) is a member of the S&P 400 Midcap Index, the FTSE KLD 400 Social Index and the Russell 2000 Index. Granite Construction Company, a wholly owned subsidiary, is one of the nation's largest diversified heavy civil contractors and construction materials producers. Granite Construction Company serves public- and private-sector clients through its offices and subsidiaries nationwide. In 2011, the Company was named one of the World's Most Ethical Companies.

Harsco Corporation (NYSE:HSC) serves major global industries that are fundamental to infrastructure development and economic growth, including steel and metals, construction, railways and energy. Harsco's common stock is a component of the S&P MidCap 400 Index and the Russell 1000 Index.

Holcim Ltd (OTCPK:HCMLY) is one of the world's leading suppliers of cement and aggregates (crushed stone, gravel and sand) as well as further activities such as ready-mix concrete and asphalt including services. The Group holds majority and minority interests around 70 countries on all continents.

Home Depot (NYSE:HD) is the world's largest home improvement specialty retailer and the fourth largest retailer in the United States with fiscal 2010 retail sales of $68.0 billion and earnings from continuing operations of $3.3 billion. The Home Depot has more than 2,200 retail stores in the United States (including Puerto Rico and the U.S. Virgin Islands and the territory of Guam), Canada, Mexico and China.

Hovnanian Enterprises (NYSE:HOV) designs, constructs and markets a variety of for-sale housing in 202 residential communities in 17 states. Hovnanian ranks among the largest homebuilding companies in the U.S., with total revenues of $1.4 billion on 4,729 home deliveries in fiscal 2010.

Integrys Energy Group, Inc. (NYSE:TEG) Integrys Energy Group is a diversified holding company with regulated utility operations operating through six wholly owned subsidiaries, Wisconsin Public Service Corporation, The Peoples Gas Light and Coke Company, North Shore Gas Company, Upper Peninsula Power Company, Michigan Gas Utilities Corporation, and Minnesota Energy Resources Corporation; nonregulated operations serving the competitive energy markets in the United States and Canada through its wholly owned nonregulated subsidiary, Integrys Energy Services; and also a 34% equity ownership interest in American Transmission Company LLC (an electric transmission company operating in Wisconsin, Michigan, Minnesota, and Illinois).

International Barrier Technology Inc. (OTC:IBTGF) develops, manufactures, and markets proprietary fire-resistant building materials branded as LP® FlameBlock® Fire-Rated OSB Sheathing and Blazeguard FR Deck Panel. Barrier's award-winning fire-resistant wood panels use a patented, non-toxic, non-combustible coating with an extraordinary capability: it releases water in the heat of fire. The panels exceed "model" building code requirements in every targeted fire test and application, and are unique in combining properties that increase panel strength and minimize environmental and human impact. Barrier's family of products provides customers a premium material choice meeting an increasingly challenging combination of requirements in residential and commercial building construction.

Ironclad Performance Wear Corporation (OTC:ICPW) is the brand leader in technical, task-specific, performance work gloves, having created the performance work glove category in 1998. The company continues to leverage its leadership position in the safety, construction and industrial markets through the design, development and distribution of specialized task-specific gloves for numerous industries, including oil & gas exploration, automotive and construction, as well as police, fire, first-responder and military. Ironclad engineers and manufactures its products with a focus on innovation, design, advanced material science and durability. Ironclad's gloves are available through industrial suppliers, hardware stores, home centers, lumber yards, auto parts stores and sporting goods retailers nationwide, and through authorized distributors in North America, Europe, Australia and Asia.

Jacobs Engineering Group Inc. (NYSE:JEC) Jacobs Engineering Group Inc. is one of the world's largest and most diverse providers of professional technical services. We offer full-spectrum support to industrial, commercial, and government clients across multiple markets. Services include scientific and specialty consulting as well as all aspects of engineering and construction, and operations & maintenance. Jacobs, with over 57,000 employees and revenues exceeding $12 billion, provides technical, professional, and construction services globally.

James Hardie (NYSE:JHX) believe we are the largest manufacturer of fibre cement products and systems for internal and external building construction applications in the United States, Australia, New Zealand and the Philippines. Our current primary geographic markets include the United States, Australia, New Zealand, the Philippines, Europe and Canada. Through significant research and development expenditure, we develop key product process technologies that we believe give us a competitive advantage. Our fibre cement products are used in a number of markets, including new residential construction, manufactured housing and repair and remodelling and a variety of commercial and industrial applications. We manufacture numerous types of fibre cement products with a variety of patterned profiles and surface finishes for a range of applications, including external siding and soffit lining, internal linings, facades and floor and tile underlay. We employ around 2,500 people. We generated net sales of US$1.2 billion in fiscal year 2011.

KB Home (NYSE:KBH) one of the nation's premier homebuilders, has delivered over half a million quality homes for families since its founding in 1957. The Los Angeles-based company is distinguished by its Built to Order™ homebuilding approach that puts a custom home experience within reach of its customers at an affordable price. KB Home has been named the #1 Green Homebuilder in a study by Calvert Investments and the #1 Homebuilder on FORTUNE magazine's 2011 World's Most Admired Companies list.

KBR, Inc. (NYSE:KBR) KBR is a global engineering, construction and services company supporting the energy, petrochemicals, government services and civil infrastructure sectors. The company offers a wide range of services through its Downstream, Government and Infrastructure, Services, Technology, Upstream and Ventures business segments.

Kimball International (NasdaqGS:KBALB) provides a vast array of products from its two business segments: the Furniture Segment and the Electronic Manufacturing Services Segment. The Furniture segment provides furniture for the office and hospitality industries, sold under the Company's family of brand names.

Lafarge (OTCPK:LFRGY) is the largest diversified supplier of construction materials in the U.S. and Canada. We produce and sell cement, ready-mixed concrete, gypsum wallboard, aggregates, asphalt, paving and construction, precast solutions and pipe products.

Lakeland Industries Inc (NASDAQGM:LAKE) manufactures and sells a comprehensive line of safety garments and accessories for the industrial protective clothing market. The Company's products are sold by a direct sales force and through independent sales representatives to a network of over 1200 safety and mill supply distributors. These distributors in turn supply end user industrial customers such as chemical/petrochemical, automobile, steel, glass, construction, smelting, janitorial, pharmaceutical and high technology electronics manufacturers, as well as hospitals and laboratories.

Lennar Corporation (NYSE:LEN) is one of the nation's leading builders of quality homes for all generations. The Company builds affordable, move-up and retirement homes primarily under the Lennar brand name. Lennar's Financial Services segment provides primarily mortgage financing, title insurance and closing services for both buyers of the Company's homes and others. Lennar's Rialto Investments segment is focused on distressed real estate asset investments, asset management and workout strategies.

Lexicon Building Systems Ltd (OTCPK:AILFQ) engages in the manufacture and distribution of its brand of insulating concrete forms in the United States. Its insulating concrete forms, known as Insulock Blocks, are used in the construction of sound walls, commercial, and residential projects. The company's Insulock wall system absorbs sound, as well as provides an R-30 or R-38 heat insulating value. It also offers equipment to manufacture Insulock blocks. The company was formerly known as American Insulock, Inc. and changed its name to Lexicon Building Systems Ltd. in September 2010.

Liberty Homes Inc (OTCPK:LIBHA) and its subsidiaries engage in the design, manufacture, and wholesale of manufactured homes and modular homes throughout the United States.

Limbach Holdings (NasdaqCM:LMB) is an integrated building systems provider – managing all components of mechanical, electrical, plumbing and control systems, from system design and construction through performance and maintenance. The Company engineers, constructs and services the mechanical, plumbing, air conditioning, heating, building automation, electrical and control systems in both new and existing buildings. Customers include building owners in the private, not-for-profit and public/government sectors. With headquarters in Pittsburgh, PA, Limbach operates from 10 strategically located business units throughout the United States including Western Pennsylvania (Pittsburgh), Eastern Pennsylvania (Warrington, PA), New Jersey (South Brunswick), New England (Wilmington, MA), Ohio (Columbus and Athens, OH), Michigan (Pontiac and Lansing, MI), Southern California (Garden Grove, CA), and Mid-Atlantic (Laurel, MD). Our design engineering and innovation center, Limbach Engineering & Design Services, is based in Orlando, Florida. Harper Building Systems, a Limbach Holdings, Inc. company, operates throughout Florida with offices in Tampa and Lake Mary, North of Orlando. Our approximately 1,500 employees strive to be the customer's 1st Choice in terms of the services provided, vertical markets and geographies served. Our commitment to safety, advanced technology, human development and reliable execution has enabled Limbach to attract and retain the industry's top leadership talent, skilled craftspeople and professional management staff.

LOMA NEGRA COMPANIA INDUSTRIAL ARGENTINA SOCIEDAD ANONIMA (NYSE:LOMA) Founded in 1926, Loma Negra is the leading cement company in Argentina, producing and distributing cement, masonry cement, aggregates, concrete and lime, products primarily used in construction, which is expected by the Company to be one of the fastest growing sectors of the Argentine economy in the coming years. Loma Negra is Argentina's only national, vertically-integrated cement and concrete company, supported by vast limestone reserves, strategically located plants, top-of-mind brands and established distribution channels. The Company also owns a 51% equity stake in an integrated cement production plant in Paraguay, which is one of two leading cement producers in that country.

Lowe's Companies Inc. (NYSE:LOW) With fiscal year 2010 sales of $48.8 billion, Lowe's Companies, Inc. is a FORTUNE® 50 company that serves approximately 15 million customers a week at more than 1,725 home improvement stores in the United States, Canada and Mexico. Founded in 1946 and based in Mooresville, N.C., Lowe's is the second-largest home improvement retailer in the world.

LSI Industries (NasdaqGS:LYTS) is committed to advancing solid-state technology to produce affordable, high performance, energy efficient lighting and custom graphic products that bring value to our customers. We have a vast offering of innovative solutions for virtually any lighting or graphics application. Further, we can provide design support, engineering, installation and project management for custom graphics rollout programs for today's retail environment. LSI is a U.S. manufacturer with marketing / sales efforts throughout the world with concentration currently on North America, Latin America, Australia, New Zealand, Asia, Europe and the Middle East. Our major markets include the commercial / industrial lighting, petroleum / convenience store, multi-site retail (including automobile dealerships, restaurants and national retail accounts), sports and entertainment markets. Headquartered in Cincinnati, Ohio, LSI has facilities in Ohio, New York, North Carolina, Kansas, Kentucky, Rhode Island, Texas and Montreal, Canada.

M/I Homes, Inc. (NYSE:MHO) is one of the nation's leading builders of single-family homes, having delivered over 79,000 homes. The Company's homes are marketed and sold under the trade names M/I Home, Showcase Homes and TriStone Homes.

Macquarie Infrastructure Company LLC (NYSE:MIC) Macquarie Infrastructure Company owns, operates and invests in a diversified group of infrastructure businesses providing basic, everyday services, to customers in the United States. Its businesses consist of an airport services business, a 50% indirect interest in a bulk liquid storage terminal business, a gas production and distribution business, a district energy business, and an airport parking business. The Company is managed by a wholly-owned subsidiary of the Macquarie Group.

Mag One Products Inc. (CSE:MDD.C) is a company that aims to be the diamond standard in the magnesium (Mg) market by concentrating on four initial projects at its processing/manufacturing plant sites in southern Quebec, Canada: I. Assembly and sale of Mg-based structural insulated sheathing panels (ROK-ONIM) for building construction; II. Production of high-purity SiO2, MgO, Mg(OH)2 and other saleable co-products and byproducts; III. Production of 99.9% pure Mg ingots; and IV. Further commercialization work on its MagPower fuel cell/battery that supplies emergency power, light and recharging for disaster relief and other emergency situations on land and sea

Manitex International, Inc. (NasdaqCM:MNTX) is a leading worldwide provider of highly engineered specialized equipment including boom trucks, cranes, container handling equipment and reach stackers, and other related equipment. Our products, which are manufactured in facilities located in the USA and Italy, are targeted to selected niche markets where their unique designs and engineering excellence fill the needs of our customers and provide a competitive advantage. We have consistently added to our portfolio of branded products and equipment both through internal development and focused acquisitions to diversify and expand our sales and profit base while remaining committed to our niche market strategy. Our brands include Manitex, CVS Ferrari, PM, Badger, Sabre, and Valla. ASV, our Joint Venture with Terex Corporation, manufactures and sells a line of high quality compact track and skid steer loaders.

Martin Marietta Materials (NYSE:MLM) is the nation's second largest producer of construction aggregates in the United States, supplying the crushed stone, sand and gravel used to build the roads, sidewalks and foundations on which we live. We are also a provider of asphalt and concrete in select geographic areas.

Masco Corporation (NYSE:MAS) is one of the world's leading manufacturers of home improvement and building products, as well as a leading provider of services that include the installation of insulation and other building products.

MDC HOLDINGS INC. (NYSE:MDC) Since 1972, MDC's subsidiary companies have built and financed the American dream for more than 165,000 families. MDC's commitment to customer satisfaction, quality and value is reflected in each home its subsidiaries build. MDC is one of the largest homebuilders in the United States.

Metabolix, Inc. (NasdaqCM:MBLX) is an innovation-driven specialty materials company focused on delivering high-performance biopolymer solutions to customers in the plastics industry. Metabolix's Mirel® biopolymers, which are derived from renewable resources, are a family of biobased performance additives and specialty resins based on PHA (polyhydroxyalkanoates). Metabolix's proprietary biotechnology platform enables the creation of specialty biopolymers for use in a broad range of applications such as construction and packaging materials, as well as industrial, consumer and personal care products

Meritage Corporation (NYSE:MTH) is one of the top 10 homebuilders in the United States based on homes closed. Meritage builds a variety of homes across the Southern and Western states to appeal to a wide range of buyers, including first-time, move-up, luxury and active adults. As of June 30, 2011, the company had 145 actively selling communities in 12 metropolitan areas, including Houston, Dallas/Ft. Worth, Austin, San Antonio, Phoenix/Scottsdale, Tucson, Las Vegas, Denver, Orlando, and the East Bay/Central Valley and Southern California. Meritage recently announced its entry into the Raleigh-Durham market. Meritage has designed and built more than 70,000 homes in its 26-year history, and has a reputation for its distinctive style, quality construction and positive customer experience. In 2010, Meritage launched its new Simply Smart Series(TM) of homes and its 99-day guaranteed completion program in certain communities. Meritage was the first large national homebuilder to be 100 percent ENERGY STAR(R) qualified in every home started since January 1, 2010.

MFC Industrial Ltd (NYSE:MIL) Formerly Terra Nova Royalty Trust - is a global commodity supply chain company that sources and delivers commodities and materials to clients all over the world, with a special expertise on the financing and risk management aspect of the business. The team at MFC Industrial Ltd is able to locate and procure basic materials and commodities for clients around the world, and brings a knowledge of logistics to the table that includes all major modes of transport, government relations and regulatory environments. The Company has experience with ores, metals, energy, plastics and lumber, and can source and deliver these and other commodities efficiently and timely.

MFRI, Inc (NasdaqGM: MFRI) is a multi-line company with businesses including district heating and cooling and other applications and installation of heating, ventilation and air conditioning ("HVAC") for large buildings.

Mosaic Company, The (NYSE:MOS) The Mosaic Company is one of the world's leading producers and marketers of concentrated phosphate and potash crop nutrients. Mosaic is a single source provider of phosphates and potash fertilizers and feed ingredients for the global agriculture industry.

NACCO Industries, Inc. (NYSE:NC) is an operating holding company with subsidiaries in the following principal industries: lift trucks, small appliances, specialty retail and mining. NACCO Materials Handling Group, Inc. designs, engineers, manufactures, sells and services a comprehensive line of lift trucks and aftermarket parts marketed globally under the Hyster® and Yale® brand names. Hamilton Beach Brands, Inc. is a leading designer, marketer and distributor of small electric household appliances, as well as commercial products for restaurants, bars and hotels. The Kitchen Collection, Inc. is a national specialty retailer of kitchenware and gourmet foods operating under the Kitchen Collection® and Le Gourmet Chef® store names in outlet and traditional malls throughout the United States.

NCI Building Systems, Inc. (NYSE:NCS) is one of North America's largest integrated manufacturers of metal products for the nonresidential building industry. NCI is comprised of a family of companies operating manufacturing facilities across the United States, Mexico and China with additional sales and distribution offices throughout the United States and Canada. Green Product Solutions: As the demand for environmentally friendly construction materials has grown in recent years, so has NCI's emphasis on creating green products. Our network of companies makes components that, when used as part of a high-performance building, support the environmental, economic and health criteria taken into account when determining a project's overall sustainability. Our products can help buildings meet the requirements needed for certification by the various government and non-government agencies setting green standards, including the U.S. government's ENERGY STAR program and the U.S. Green Building Council's Leadership in Energy and Environmental Design (LEED) program. We use our expertise to help our customers build more energy-efficient and environment-friendly buildings.

National Storm Management, Inc (NSMG.PK) operates as a storm restoration management company specializing in residential home repair from the effects of hailstorms, tornadoes, winds, hurricanes, and other inclement weather. The company offers exterior packages for residential and commercial applications that include siding, roofing, gutters, windows, doors, soffit, facia wrap, vinyl railing, vinyl fences, custom copper work, decorative aluminum and vinyl trim, and custom metal work.

New Home Company, The (NYSE: NWHM) is a new generation homebuilder focused on the design, construction and sale of innovative and consumer-driven homes in major metropolitan areas within select growth markets in California and Arizona, including coastal Southern California, the San Francisco Bay area, metro Sacramento and Phoenix.

NextEra Energy Inc. (NYSE:NEE) is a leading clean energy company with 2009 revenues of more than $15 billion, nearly 43,000 megawatts of generating capacity, and more than 15,000 employees in 28 states and Canada. Headquartered in Juno Beach, Fla., NextEra Energy's principal subsidiaries are NextEra Energy Resources, LLC, the largest generator in North America of renewable energy from the wind and sun, and Florida Power & Light Company, which serves approximately 4.5 million customer accounts in Florida and is one of the largest rate-regulated electric utilities in the country. Through its subsidiaries, NextEra Energy collectively operates the third largest U.S. nuclear power generation fleet

Noble Innovations (OTCPK:NOBV) develops tank-less water heating systems in the United States. The company primarily offers Viridian Tankless electric water heaters for whole-house applications. It intends to distribute its products through plumbing and electrical distributors, appliance stores selling plumbing products, builders, other equipment manufacturers, as well as directly to plumbers, electricians, and individual remodelers.

NRG Energy, Inc. (NYSE:NRG) a Fortune 500 company, owns and operates one of the country's largest and most diverse power generation portfolios. Headquartered in Princeton, NJ, the Company's power plants provide more than 24,000 megawatts of generation capacity—enough to supply more than 20 million homes. NRG's retail subsidiary, Reliant Energy, serves more than 1.7 million residential, business, commercial and industrial customers in Texas. A past recipient of the energy industry's highest honors—Platts Industry Leadership and Energy Company of the Year awards, NRG is a member of the U.S. Climate Action Partnership (USCAP), a group of business and environmental organizations calling for mandatory legislation to reduce greenhouse gas emissions.

NVR Inc. (NYSE:NVR) operates in two business segments: homebuilding and mortgage banking. The homebuilding unit sells and builds homes under the Ryan Homes, NVHomes, Rymarc Homes and Fox Ridge Homes trade names, and operates in 26 metropolitan areas in 15 states.

Oshkosh Corporation (NYSE:OSK) is a leading manufacturer and marketer of access equipment, specialty vehicles and truck bodies for the primary markets of defense, concrete placement, refuse hauling, access equipment and fire & emergency. Construction Equipment includes: Aerial work platforms; telehandlers; scissor lifts; boom lifts; trailers; Rear-discharge mixers; Revolution® mixer drums; front-discharge mixers; concrete batch plants.

Owens Corning (NYSE:OC) is a leading global producer of residential and commercial building materials, glass-fiber reinforcements and engineered materials for composite systems. A Fortune® 500 company for 57 consecutive years, Owens Corning is committed to driving sustainability by delivering solutions, transforming markets and enhancing lives. Founded in 1938, Owens Corning is a market-leading innovator of glass-fiber technology with sales of $5.0 billion in 2010 and approximately 15,000 employees in 28 countries on five continents.

Palm Harbor Homes, Inc. (OTCPK:PHHMQ) is one of the nation's largest marketers of factory-built homes. The company's vertically integrated operations set it apart from others in the industry. Palm Harbor builds, sells, finances and insures the best manufactured homes available today.

Primoris Services Corporation (NasdaqGS:PRIM) through various subsidiaries, has grown to become one of the largest specialty contractors and infrastructure companies in the United States. Serving diverse end markets, Primoris provides a wide range of construction, fabrication, maintenance, replacement, water and wastewater, and engineering services to major public utilities, petrochemical companies, energy companies, municipalities, and other customers. Since December 2009, Primoris has doubled its size and the Company's national footprint now extends from Florida, along the Gulf Coast, through California, into the Pacific Northwest and Canada.

Pulte Homes (NYSE:PHM) based in Bloomfield Hills, Mich., is America's premier home building company with operations in 60 markets throughout 29 states. The Company has an unmatched capacity to meet the needs of multiple buyer segments through its brand portfolio that includes Pulte Homes, Centex and Del Webb. As the most awarded homebuilder in customer satisfaction, the brands of PulteGroup have consistently ranked among the nation's top homebuilders as surveyed by third-party, independent national customer satisfaction studies.

Quanta Services, Inc (NYSE:PWR) is a leading specialized contracting services company, delivering infrastructure solutions for the electric power, natural gas and pipeline and telecommunication industries. The company's comprehensive services include designing, installing, repairing and maintaining network infrastructure nationwide. Additionally, Quanta licenses point-to-point fiber optic telecommunications infrastructure in select markets and offers related design, procurement, construction and maintenance services.

RenoWorks Software Inc (TSX:RW.V) develops and sells unique digital visualization software for the remodelling and new home construction industry, primarily in the United States and Canada. Delivered online, as a custom developed app or desktop software, RenoWorks provides its technology to manufacturers, contractors, builders and retailers offering the solution to one of the home remodelling industry's greatest challenges: enabling customers to see how their product choices will look in a realistic, virtual environment - even in their own home - before they make a purchase decision. RenoWorks markets its software as a cost-effective lead generation tool and generates revenues from three main business lines: enterprise, RenoWorks PRO™, and its Software Development Kit (SDK).

Russel Metals Inc. (TSX:RUS.TO) operates in three segments: Metals Service Centers, Energy Tubular Products, and Steel Distributors. The Metals Service Centers segment sells plates, and flat rolled carbon and other general line carbon steel products, as well as stainless steel, aluminum, and other non-ferrous specialty metal products in various sizes, shapes, and specifications. It also provides customized processing services. This segment serves end users in various industries, including machinery and equipment manufacturing, construction, shipbuilding, and natural resources, such as mining and petroleum. The Energy Tubular Products segment distributes oil country tubular goods, line pipes, tubes, valves, fluid handling products, and fittings; and processed and distributes steel pipe products for the construction, oil and gas, and ski industries in the western United States. This segment serves energy, construction, manufacturing, pulp and paper, and mining industries. The Steel Distributors segment distributes steel in large volumes to other steel service centers and large equipment manufacturers. Its steel products include structurals, plates, floor plates, light rails, pipes, tubing, carbon steel, beams, channels, flat rolled products, merchant bars, and conduit, as well as HR coils, sheets, and plates.

Ryland Homes (NYSE:RYL) Headquartered in Southern California, Ryland is one of the nation's largest homebuilders and a leading mortgage-finance company. Since its founding in 1967, Ryland has built more than 294,000 homes and financed more than 248,000 mortgages. The Company currently operates in 13 states across the country.

SG Blocks (OTC:SGBXQ) is the premier innovator of commercial and private environments utilizing code-engineered cargo shipping containers. Providing solutions to some of the world's biggest companies and government agencies, SG Blocks offers cost effective container-construction technology that exceeds many standard building code requirements. We work with architects, developers, builders, and commercial clients to help them build incredibly safe, strong, and green structures using code-engineered shipping containers. We work closely with our partners to source the right box for each project need, then use our unique experience and know-how to build-out each to exact specifications.

Shaw Group Inc., The (NYSE:SGR) The Shaw Group Inc. is a leading global provider of technology, engineering, procurement, construction, maintenance, fabrication, manufacturing, consulting, remediation and facilities management services for government and private sector clients in the energy, chemicals, environmental, infrastructure and emergency response markets. A Fortune 500 company with fiscal year 2008 annual revenues of $7 billion, Shaw is headquartered in Baton Rouge, La., and employs approximately 26,000 people at its offices and operations in North America, South America, Europe, the Middle East and the Asia-Pacific region. Shaw is the power sector industry leader according to Engineering News-Record's list of Top 500 Design Firms

Standard Pacific Homes (NYSE:SPF) one of the nation's largest homebuilders, has built more than 113,000 homes during its 45-year history. The Company constructs homes within a wide range of price and size targeting a broad range of homebuyers. Standard Pacific Homes operates in many of the largest housing markets in the country with operations in major metropolitan areas.

Stantec Inc. (TSX:STN.TO) provides professional consulting services in planning, engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics for infrastructure and facilities projects. Continually striving to balance economic, environmental, and social responsibilities, we are recognized as a world-class leader and innovator in the delivery of sustainable solutions. We support public and private sector clients in a diverse range of markets, at every stage, from initial concept and financial feasibility to project completion and beyond.

Sterling Construction Co. Inc. (NasdaqGS:STRL) operates as a heavy civil construction company that engages in the building, reconstruction, and repair of transportation and water infrastructure primarily in Texas, Utah, and Nevada. Its transportation infrastructure projects include highways, roads, bridges, and light rail and commuter rail; and water infrastructure projects comprise water, wastewater, and storm drainage systems. The company also provides general contracting services, such as excavating, concrete and asphalt paving, installation of large-diameter water and wastewater distribution systems, construction of bridges and similar large structures, construction of light and commuter rail infrastructure, concrete and asphalt batch plant operations, and concrete crushing and aggregates operations. It serves public sector customers, including county and municipal public works departments, regional transit and water authorities, port authorities, school districts, and municipal utility districts, as well as private customers.

Toll Brothers Inc. (NYSE:TOL) is the nation's leading builder of luxury homes. The Company began business in 1967 and became a public company in 1986. The Company serves move-up, empty-nester, active-adult, and second-home buyers and operates in 19 states: Arizona, California, Colorado, Connecticut, Delaware, Florida, Illinois, Maryland, Massachusetts, Michigan, Minnesota, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Texas, and Virginia.

Toro, Inc. (NYSE:TTC) is a leading worldwide provider of outdoor maintenance equipment and beautification products to help customers care for golf courses, sports fields, public green spaces, commercial and residential properties, and agricultural fields. Toro offers a complete line of professional products that work together to provide optimal water-management solutions for all your irrigation needs. Toro is committed to developing advanced and improved products that water more accurately, more efficiently, more dependable and more affordably.

TRC Companies, Inc. (NYSE:TRR) A pioneer in groundbreaking scientific and engineering developments since the 1960s, TRC is a national engineering, environmental consulting and construction management firm that provides integrated services to the energy, environmental and infrastructure markets. TRC serves a broad range of clients in government and industry, implementing complex projects from initial concept to delivery and operation. TRC delivers results that enable clients to achieve success in a complex and changing world.

Trex Company, Inc., (NYSE:TREX) is the world's largest manufacturer of high performance wood-alternative decking and railing, with more than 20 years of product experience. Stocked in more than 5,500 retail locations worldwide, Trex outdoor living products offer a wide range of style options with fewer ongoing maintenance requirements than wood, as well as a truly environmentally responsible choice.

US Concrete Inc (NasdaqCM:USCR) services the construction industry in several major markets in the United States through its two business segments: ready-mixed concrete and concrete-related products; and precast concrete. The company has 102 fixed and 11 portable ready-mixed concrete plants, seven precast concrete plants and seven producing aggregates facilities. During 2010, these plant facilities produced approximately 3.8 million cubic yards of ready-mixed concrete from continuing operations and 3.1 million tons of aggregates.

United States Lime & Minerals, Inc. (NasdaqGM:USLM) is a manufacturer of lime and limestone products, supplying primarily the construction, steel, municipal sanitation and water treatment, oil and gas services, aluminum, paper, glass, roof shingle and agriculture industries and utilities and other industries requiring scrubbing of emissions for environmental purposes.

Vulcan Materials Company (NYSE:VMC) provides essential infrastructure materials required by the U.S. economy. Vulcan is the nation's leading producer of construction aggregates: primarily crushed stone, sand and gravel.

Yulong Eco-Materials Limited (NasdaqCM:YECO) is a vertically integrated manufacturer of eco-friendly building products and a construction waste recycling company located in the city of Pingdingshan in Henan Province, China. The Company is currently Pingdingshan's leading producer of fly-ash bricks and concrete as well as its exclusive provider of waste management services.