TREVI-Finanziaria Industriale (Trevi) runs its business from the ground down. The company provides soil foundation engineering services for civil engineering and construction projects. Projects have included a runway underpass at JFK International Airport, work on the Leaning Tower of Pisa to reduce its tilt, and foundation work for Milan's subway. It is also involved in deep excavation support, pre-tunneling technology, hydraulic drilling rigs, and underground parking garages; its Soilmec unit makes soil engineering and drilling equipment. Chairman Davide Trevisani and his family controls the company, which he founded in 1957.

VKR Holding lets the light shine in. The parent company of skylight and roof windows manufacturer VELUX and other building components manufacturers operates in more than 40 countries. The VKR group consists of manufacturers that supply windows, skylights, thermal solar energy products, sunscreening materials, natural ventilation products, and glass roofs. Members of VKR include Velfac (window systems), Rationel Vinduer (vertical windows and external doors), Svenska, GREENoneTec (solar panels), and WindowMaster (ventilation components). The company was founded in 1941 by civil engineer Villum Kann Rasmussen. VKR is owned by the Villum Fonden foundation.

Leighton Holdings provides engineering and construction services for mining, infrastructure, commercial, and environmental projects in Australia, the Asia-Pacific region, and the Middle East. Typical contracts include the maintenance and construction of pipelines, mines, highways, tunnels, and commercial buildings. The group's largest subsidiaries are mining, construction, and services firm Thiess and project management firm Leighton Contractors. The 45%-owned Al Habtoor Leighton division, formed in 2007, is one of the largest construction contractors in the booming Gulf region. Leighton also develops real estate and offers facilities management services. German construction firm HOCHTIEF owns 55% of the group.

Sierra Pacific Industries company owns and manages about 2 million acres of timberland in California and Washington. With a network of sawmills, it is among the top lumber producers in the US. SPI's manufacturing plants also produce mouldings and millwork, windows and doors, fencing, and wood fiber by-products, such as chips, bark, and shavings. Several of its sawmills also house cogeneration facilities that recycle wood waste into power for its plants; excess electricity is sold to local public utilities. Additionally, SPI is involved in residential and commercial real estate. The company traces its roots to the 1920s when it was founded by R. H. "Curly" Emmerson.

The Mann and Parker Lumber Company distributes and exports treated hardwood lumber from its stock of Northern Appalachian species. The company also operates the M&P Lumber Company, which kiln-dries green-hardwood lumber in Meadville, Pennsylvania (about 90 miles north of Pittsburgh), primarily for shipment to cabinet and furniture makers on the West Coast. The Mann and Parker Lumber Company was founded in Baltimore in 1902, but relocated to central Pennsylvania (New Freedom) after fire destroyed its operations in 1970. Chairman and CEO Robert Bushman Sr. owns the company.

Commodore Applied Technologies, Inc., an environmental solutions company, together with its subsidiaries, offers a range of environmental and technical services to the public and private sectors. It offers services related to environmental management for the on-site and off-site identification, investigation, remediation, and management of hazardous, and mixed and radioactive waste; and remediating contamination in soils, liquids, and other materials, as well as disposing of or reusing certain waste by-products by utilizing the company’s Solvated Electron Technology (SET). The company’s SET is non-thermal, portable, and scalable process for treating and decontaminating soils, and other materials, including sludges, sediments, oils and hydrocarbon liquids, metals, clothing, and porous and non-porous structures, as well as for destroying PCBs, pesticides, dioxins, chlorinated substances, chemical weapons and warfare agents, and other toxic contaminants. It also provides specialized technical and project management products and services primarily to government-sector customers, including the Department of Energy and the Department of Defense, as well as to private-sector domestic industrial customers, as well as sells safety, protective, and technical equipment used by its customers and hazardous material handlers. The company markets its services and technologies to governmental and industrial customers in the United States, eastern Europe, and the Middle East. Commodore Applied Technologies, Inc. was founded in 1996 and is based in Richland, Washington.

Danze & Davis Architects provides residential design and architectural services. The firm specializes in custom designing detached and attached homes. It offers about a dozen different collections of architectural plans for its home designs in book and CD formats. Danze & Davis also provides architectural services for light commercial and industrial projects. Leo P. Danze and H. Ross Davis founded the firm in 1960.

Renaissance 3 Architects provides architecture and design services for businesses and individuals. These services involve the entire process from initial design to actual construction and renovation, as well as feasibility studies and development plans. Projects have included professional offices, learning and commercial institutions, residential homes, and research facilities/laboratories. Renaissance 3 caters to clients such as FedEx Ground, Mellon Bank, Prudential Realty, and the University of Pittsburgh.

Wood, Patel, & Associates will come. Also known as Wood/Patel, the firm provides civil engineering, surveying, land development, and construction management services in Arizona. Wood/Patel has extensive experience in hydrology and hydraulics, traffic engineering, and water/wastewater projects. The company has worked on such projects as Chase Field (home of the Arizona Diamondbacks) and Phoenix-area master-planned communities DC Ranch and Verrado. Wood/Patel was established in 1984 and is owned by its principals.

Multi-trade subcontractor Ecker Enterprises specializes in drywall installation, painting, plastering, insulation and other specialty contracting services for commercial clients in Illinois and Florida and for residential customers in Illinois, California, and Nevada. Immigrant house painter Morris Ecker started the company that bears his name in 1923. Ecker Enterprises today is owned by employee shareholders.

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