RPS Group wants to make an impact on the environment as well as on safety and resource conservation through the advice it gives. The group is one of Europe's leading environmental consulting and planning firms, providing services that include air quality assessment, engineering design, impact assessment, risk management, town planning, transport planning, and waste management. RPS Group's portfolio includes planning and development, energy (through RPS Energy and RPS Scotia), and environmental management. It has operations in Australia, Ireland, the Netherlands, Poland, and the UK, as well as in North America and Southeast Asia.

MasTec, Inc. operates as a specialty contractor in the United States. It involves in the building, installation, maintenance, and upgrade of utility and communications infrastructure. The company builds wind farms, solar farms, and underground and overhead distribution systems, such as trenches, conduits, cable, power lines, and pipelines, which provide wireless and wireline communications, electrical power generation and delivery, and natural gas, crude oil, and refined products transport. It also installs buried and aerial fiber optic cables, coaxial cables, copper lines, electrical and other energy distribution systems, transmission systems, and satellite dishes, as well as deploys and manages network connections. In addition, MasTec offers regular maintenance of distribution facilities and networks, as well as provides emergency services for accidents or storm damage. It serves utility, communications, and government customers. The company was founded in 1929 and is headquartered in Coral Gables, Florida.

Holcim (Australia) produces aggregate, cement, asphalt, and concrete block and pipe. The company operates more than 240 concrete plants and about 80 hard rock, sand, and gravel quarries in Australia. Its Humes division manufactures steel-reinforced concrete pipes and other precast concrete products. Mexican cement giant CEMEX acquired Rinker Group in 2007 for more than $16 million and renamed it CEMEX Australia. The hefty price tag sent CEMEX into massive debt, though, and the parent began selling off assets. In 2009 CEMEX sold the unit to rival Holcim, which has targeted Australia as a growth market.

Ameron International Corporation, together with its subsidiaries, manufactures and sells engineered products and materials for the chemical, industrial, energy, transportation, and infrastructure industries from its plants in North America, South America, Europe, and Asia. It operates in three groups: Fiberglass-Composite Pipe, Water Transmission, and Infrastructure Products. The Fiberglass-Composite Pipe group offers filament-wound and molded fiberglass pipes, tubes, fittings, and well screens for the industrial, petroleum, chemical processing, and petrochemical industries, as well as for service station piping systems, aboard marine vessels, and offshore oil platforms. The Water Transmission group supplies concrete cylinder pipes, prestressed concrete cylinder pipes, steel pipes, and reinforced concrete pipes for water transmission, and storm and industrial waste water and sewage collection; large-diameter wind towers for the U.S. wind-energy market; and polyvinyl chloride and polyethylene sheet lining for the protection of concrete pipe and cast-in-place concrete structures. The Infrastructure Products group provides ready-mix concrete, basaltic aggregates, dune sand, concrete pipes, and box culverts to the construction industry in Hawaii; and concrete and steel poles for highway, street, and outdoor area lighting, as well as for traffic signals. Ameron International Corporation markets its products directly through its-owned sales force, as well as through sales agents, manufacturers' representatives, distributors, and licensees. Ameron International, through its joint ventures, manufactures and sells concrete pressure pipes; glass reinforced epoxy pipe and fittings; and reinforcing bars. Ameron International Corporation was formerly known as Ameron, Inc. and changed its name to Ameron International Corporation in 1996. Ameron International was founded in 1907 and is headquartered in Pasadena, California.

Barr & Barr takes a bite out of the Big Apple and US Northeast construction market. It provides contracting, construction management, and renovation services for commercial and institutional projects, with its focus on educational, health care, laboratory and research, commercial, and religious and historical buildings. Barr & Barr has offices in New Jersey, New York, Connecticut, Maine, and Massachusetts. Its projects include the Geonomics Institute and Lewis Library at Princeton University, the New England Medical Center in Boston, the Bass Library at Yale University, and the renovation of New York City's Radio City Music Hall. Joseph R. Barr founded the company in 1927. Employees own the company.

Milgard was purchased by Masco Corporation, one of the world's largest manufacturers of brand-name consumer products for the home and family. Masco owns many admired companies within the building community, such as Delta Faucet Company, Merillat Cabinetry, Hot Spring Hot Tubs and KraftMaid Cabinetry. Masco is a leading provider of services that include the sale and installation of insulation and other building products. Through Masco, Milgard is receiving the support it needs to bring its high-quality windows and doors to more homes throughout the country.

Sacyr Vallehermoso, S.A., operates through the following divisions: Sacyr (construction), Vallehermoso (real estate development), Testa (real estate property management of office, retail, and warehouse space), and Valoriza, which sells water through a variety of subsidiaries and is involved in solar and wind energy and environmental operations as well as street cleaning and urban garbage collection. Sacyr Vallehermoso provides construction and infrastructure services under the Somague name in Brazil and Portugal.

EcoStar's roof is the first recycled one I've seen tonight. EcoStar, a division of Carlisle SynTec, manufactures roofing tiles that are composed of up to 80% recycled post-industrial plastic and rubber. The materials are remnants of such products as car bumpers and baby diapers. Its products are meant to be wind, rain, fire, and hail resistant; they offer a durable alternative to traditional tile, slate, and shake. EcoStar also makes polypropylene underlayments (Aqua Guard), sheet membranes to protect against moisture (Glacier Guard), copper snow retention brackets (Snow Guards), fasteners, tapes, and walkway pads (NOVA). Its products are sold in the US and Canada.

Paric Corporation pairs design/build services with construction management and general contracting services. The contractor manages commercial, civic, institutional, industrial, and health care construction projects in the Midwest. Its offerings include interior design, construction management, and historic renovation services. Paric specializes in senior living, education, residential, and municipal projects. CEO Joe McKee owns Paric Corporation, which his father Paul McKee, Jr., and Richard Jordan co-founded in 1979.

C. Overaa & Co. has been making its mark in Northern California. Norwegian immigrant and carpenter Carl Overaa founded the company in 1907 in order to help rebuild San Francisco after a major earthquake struck. Today the family-owned company builds institutional, commercial, industrial, public, and housing projects primarily in San Francisco's East Bay. It provides preconstruction, design/build, construction, sustainable building, and contracting services. The company's customers have included Courtyard by Marriott, the John Muir Medical Center, the US Postal Service, YMCA, and the University of California, Berkeley.

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