Johnson Supply does what it can. Through about two dozen locations in hot spots like Houston and Lake Charles, Louisiana, Johnson Supply distributes air-conditioning and refrigeration equipment, supplies, and parts from more than 200 manufacturers. Since those places also get cold, relatively speaking, the company sells heating and ventilation equipment as well. Its 200 suppliers include names like York, Friedrich, Warren, Mueller, and Johnson Controls. The company was founded in 1953 by Carl I. Johnson, Sr.

Western Construction Group, a specialty contractor with expertise in masonry and concrete restoration and preventive waterproofing. It also performs specialty services such as installation of commercial and industrial roofing and insulation, architectural metal restoration and fabrication, seismic upgrades, and disaster recovery. The group's eight member companies operate more than 35 offices throughout the US. Western Construction Group was founded as Western Waterproofing Co. in 1915 by George Bishop Sr. and Ben Many. It has been privately held by the Bishop family for three generations.

Johnson Contractors as well. Founded in 1918, Johnson Contractors is a general construction company that specializes in industrial plants, office buildings, apartments, commercial projects, schools, medical facilities, and water and sewage treatment plants. Its capabilities include heavy equipment installation, structural steel erection, concrete pouring, carpentry, excavation, and maintenance. The company is active throughout the Southeast. Johnson Contractors is a part of the Johnson family of companies, which also includes J. K. Johnson Mechanical Contractors and Johnson Electric Company.

Adonel Concrete has its footprint firmly planted in South Florida. With six concrete plants, the privately-owned company is a materials supplier to residential and commercial construction projects from Key Largo to Palm Beach. It makes concrete and special mixes that repel water, inhibit corrosion, and self compact. Clients have included homebuilders Caribe Homes and Lennar, Perini Marine Construction, and Trans Florida Development. President Luis Garcia, an immigrant from Nicaragua, started the company in 1984 with a single employee and a single truck. Adonel Concrete has expanded to some 150 trucks and about 250 employees.

Ash Grove Cement is a pioneer in the US cement industry. Tracing its roots back to 1882, the company is one of the largest cement manufacturers in North America. Ash Grove Cement's products include portland and masonry cements used in roads, bridges, and buildings, as well as ready-mix concrete. The company operates nine plants with an annual capacity of some 9 million tons of cement; it also operates aggregate quarries in the US and Canada and a lime plant in Oregon. Other operations include Ash Grove Packaging, which offers packaged materials such as sealers and additives, caulks, and stucco. Lester T. Sunderland joined Ash Grove Cement in 1909; his heirs own the company.

PDG Environmental, Inc., through its subsidiaries, provides environmental and specialty contracting services to private sector clients, and government and public institutions in the north eastern, southern, and western portions of the United States. Its services include asbestos and lead abatement; disaster response/loss mitigation, such as emergency response, loss mitigation, and structural drying; reconstruction and restoration for natural and man-made disasters, including fires, floods, hurricanes, tornadoes, and sudden water intrusion events; insulation; mold remediation services comprising decontamination, application of biocides and sealant, removal of building systems, and disposal of building furnishings; and interior and structural demolition and related services. The company was incorporated in 1987 and is headquartered in Pittsburgh, Pennsylvania.

Wirt Design Group provides interior architectural design services from pre-project planning to implementation, including proprietary 3-D modeling of projects and incorporating green design practices. The firm caters chiefly to the entertainment, financial and business services, hospitality, and technology sectors in California. It has worked on multiple projects for firms such as The Capital Group Companies and Northwestern Mutual. Other notable clients have included Yahoo!, Disney, and EarthLink. Principal Jeff Wirt founded the company in 1994.

Russell Eppright Custom Homes specializes in custom residential projects in and around Austin, Texas, and on the eastern edge of the Texas Hill Country. The company builds homes in the $500,000 to $2 million range. In 1996 president Russell Eppright acquired the assets of Russell Parker Homes (where he had previously served as a superintendent of custom-home construction) and renamed the company.

Schuff International, and its family of steel fabrication companies, comes on strong. Operating through Schuff Steel and other subsidiaries, the integrated steel fabrication and erection company is one of the leading steel erectors in the US. It mainly focuses on projects that require engineering, fabrication, and construction within a short time. Its portfolio of projects includes office buildings, sports arenas, hotels and casinos, hospitals, mines, bridges, and power plants. Subsidiary Quincy Joist makes joists, trusses, and girders. The group also fabricates water pipes, water storage tanks, and other equipment. Chairman David Schuff and son Scott (president and CEO) founded Schuff International in 1976.

Casella Waste Systems, Inc. provides resource management services, primarily in the areas of solid waste collection, transfer, disposal, and recycling services to the residential, commercial, municipal, and industrial customers in the United States. It offers non-hazardous solid waste services, including collection operations, transfer stations, material recycling facilities, and disposal facilities. The company also markets recyclable metals, aluminum, plastics, and paper and corrugated cardboard, which have been processed at its facilities; and recyclables purchased from third parties. In addition, it generates and sells electricity under a contract at a waste-to-energy facility. The company has operations in Vermont, New Hampshire, New York, Massachusetts, Maine, Connecticut, Pennsylvania, New Jersey, North Carolina, Tennessee, Georgia, Florida, Michigan, and Wisconsin. It has a 50% joint venture with US GreenFiber LLC to manufacture, market, and sell cellulose insulation, which is used in residential dwellings and manufactured housings. As of August 31, 2010, the company owned and/or operated 31 solid waste collection operations, 30 transfer stations, 34 recycling facilities, 8 subtitle D landfills, and 1 landfill permitted to accept construction and demolition materials, as well as 1 waste-to-energy facility. Casella Waste Systems, Inc. was founded in 1975 and is based in Rutland, Vermont.

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