Cache Valley Electric (CVE) is one of the largest electrical contractors in the West. With operations in Utah, Oregon, and Idaho, CVE installs power and lighting systems in commercial, industrial, and government facilities. Other divisions provide design/build services; security and control systems, such as card access and closed-circuit TV monitoring; cable and fiber optic cabling installation for data and voice networks; cell tower construction for wireless communications; and industrial manufacturing facility construction and maintenance for the medical, mining, paper, and product container industries. Clients include American Express, Pepsi, Verizon, US Army, and Utah Department of Transportation.

Joseph Wong Design Associates (JWDA) provides architectural, master planning, interior design, project management, and programming services for public and private sector clients in China and the western US. Its portfolio of completed and in-progress projects includes the mixed-use residential and corporate Deep Blue Plaza towers and the Lotus Creative Center industrial complex (in China) and the San Diego Convention Center and the San Diego Marriott Del Mar Hotel (in the US). China-born architect Joseph Wong established JWDA in San Diego in 1977.

Marquette Lumber Co. makes its mark in wood. The company processes American hardwoods (Northern, Southern, and Appalachian), used mostly for furniture and flooring, and wholesales it to manufacturing and construction companies. The firm operates two lumberyards and offices in Norwalk, Ohio; Sandown, New Hampshire; St. Louis; and Vero Beach, Florida. Russel H. Downey founded Marquette Lumber Co. in 1919 in South Bend, Indiana. The company moved to Vero Beach, Florida in 1972; the founding Downey family still runs it.

Columbia Pipe & Supply. Columbia is a leading distributor of industrial pipe, plumbing supplies, and HVAC (heating, ventilation, and air conditioning) equipment. Based in Chicago, the company also has sales offices covering the rest of Illinois, Indiana, Michigan, and Wisconsin, and an agreement with Affiliated Distributors that expands its distribution network to a national level. The company's target markets are construction, maintenance and repair, and OEMs. CEO William Arenberg and family own the company, which was founded in 1935.

American Pan & Engineering Co. has its hand firmly planted in concrete. The privately-held specialty contractor, which does business as APEC, offers concrete formwork for commercial buildings in the southeastern US. The firm is involved in such construction projects as condominiums, hotels, and hospitals (the latter brings in about half of its annual revenue), as well as parking decks, office buildings, and schools. It has done work on Florida Memorial Hospital; Rosen Hotels and Resorts' Shingle Creek resort and convention center in Orlando; and science and engineering buildings at Georgia Institute of Technology. Founded in 1995 by president BJ Jarun, APEC has offices in Florida, Georgia, and Texas.

The RDI Group operates three business units specializing in the design and manufacture of highly engineered equipment for the asphalt roofing, construction and metal coil processing industries. These machinery and manufacturing solutions designed, built and commissioned by Reichel & Drews and Chicago Slitter have been helping customers improve productivity and profits since the early 1900s. Hundreds of patented designs and thousands of installations attest to the leadership role the RDI Group business units hold in the continuing quest for innovative technology.

The engineering and construction conglomerate (also known as the Ledcor Group of Companies) holds a network of firms focused on large-scale projects in Canada and the US. The group operates through divisions that specialize in commercial building, heavy civil, industrial, contract mining, and pipeline construction. Ledcor builds condos, office buildings, airports, highways, and industrial complexes; provides mining excavation; and offers network equipment installation, network site maintenance, and fiber-optic cable maintenance. Subsidiary Ledcor Properties invests in real estate. Employee-owned Ledcor was founded in 1947 by William Lede, the father of CEO Dave Lede.

Safety and Ecology Corporation,the specialty engineering firm provides environmental remediation of radiological and other hazardous wastes, as well as facility decontamination and demolition. Other services include industrial health and safety; radiological/industrial hygiene instrumentation rental, calibration, and repair; and waste and material management and disposal. Safety and Ecology has also created a mobile emergency response unit to handle chemical, biological, or radioactive hazards. The company, which is owned by Homeland Security Capital Corporation, has offices across the US and in the UK.

STV Group helps create the systems through which SUVs, LRVs, and 747s can travel. Its subsidiaries provide architectural, engineering, environmental, construction management, interior design, and planning services for infrastructure projects include airports, light-rail systems, ports, and railroads. Its security division, established in 2008, conducts threat assessments and mitigates safety strategies for facilities. The group serves public and private clients around the world, but primarily in the US. The employee-owned STV Group was founded in 1912 and taken private in 2001.

LVI Services, one of the top environmental contractors in the US with more than 30 offices across the country. The company provides integrated facility services such as remediation of hazardous materials, decontamination, and demolition. It caters to clients in a wide range of business segments, from hotels and retail to commercial and industrial. It also serves government and education segments. Customers have included AT&T, IBM, Marriott, Prudential, and Raytheon. Private equity firm Code Hennessy & Simmons is LVI Services' major equity investor.

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