Lum Chang Holdings invests in, develops, builds, and renovates commercial, civil, and institutional properties, primarily in Singapore and the Pacific Rim. It also develops luxury residential properties in Singapore and, with joint venture partner GIC Real Estate, in Malaysia. Its portfolio includes upscale condominiums, bungalows, and golf resorts and country clubs. Another partnership with Tokyo-based Nishimatsu Construction provides construction on Singapore's mass transit system. The company's Lum Chang Building Contractors subsidiary was established in the 1940s and has become one of Singapore's largest construction firms.

Ausenco Limited offers engineering, construction, and project management to mining, marine, and other industries. The group operates through five business units: Ausenco Minerals, Ascentis Operations, Pipeline Systems Incorporated, Sandwell, and Vector Engineering. They advise on process, mechanical, civil/structural, and electrical design of plants and pipelines for customers in the energy, oil and gas, transportation, and water and solid waste industries. Ausenco also offers geotechnical and environmental consulting. With operations in Africa, Asia, Australia, Europe, and the Americas, the firm is able to support a global customer base, from established to start-up resource companies.

Paul J. Sierra Construction does offer some specialized construction services. In addition to its commercial and residential construction services, the company specializes in access construction, disaster restoration, and historical preservation projects serving the Tampa, Florida region. The family-owned company also offers expansion, relocation, and handicap modifications to commercial and residential facilities. Minority-owned Paul J. Sierra Construction was established in 1974.

Hensel Phelps Construction builds it all, from the courthouse to the big house. The employee-owned general contractor provides a full range of development, preconstruction, and construction services for commercial, institutional, and government projects throughout the US and abroad. Its project portfolio includes prisons, airports, arenas, laboratories, government complexes, offices, and more. Major public and private clients have included the US Army Corps of Engineers, IBM, United Airlines, The University of Texas, NASA, and Whole Foods. Hensel Phelps founded the eponymous company as a homebuilder in 1937.

Oran Group (formerly The Snowie Group) provides waste-treatment and a range of other disposal services in the UK, including sludge handling and transportation and spillage cleanup. Clients include Severn Trent, Scottish Water, and the UK Ministry of Defence. The company made about £40 million during the foot-and-mouth crisis of 2001, disposing of millions of livestock carcasses. Other operations include logistics, industrial cleaning, recycling, and equipment leasing. In 2005 the Snowie Group (which began operations as a family farm in the late 1950s) was acquired by the Cork, Ireland-based Oran Group.

Engineering firm Gannett Fleming has waded through water, waste, and sludge for nearly a century. Founded in 1915, the company focuses on serving the transportation, water and wastewater, facilities, technology, and environmental industries. Gannett Fleming operates through about a dozen subsidiaries that offer a variety of services that range from design/build, construction management, ground testing and soil strengthening, site remediation, structural rehabilitation, electrical and mechanical installation, geophysical mapping and surveying, and 3D visualization. The company works on projects around the world and has more than 55 offices throughout the US and Canada.

Pernix Group (formerly Telesource International) provides engineering and construction services and operates independent power generation projects in the Pacific region and in the US. The group offers project development and management, specialized construction and engineering, and utility and plant operations. It also brokers goods and services. While its previous focus had been on Fiji and other islands in the Pacific, Pernix Group has shifted its business model to emphasize offering construction services and working on power plant projects in North America. Kuwait-based civil, electrical, and mechanical group Sayed Hamid Behbehani & Sons controls 97% of the company.

A. G. Spanos Companies bridges many operations -- from building, managing, and selling multifamily housing units to constructing master-planned communities, as well as developing land and building commercial space. With divisions and operations in about 10 states, the firm has built about 2 million sq. ft. of office space properties, 120,000-plus apartment homes, and more than 400 developments. Other operations include mixed-use development and property management. Alex Spanos also owns the NFL's San Diego Chargers. He operates the companies with his sons Dean (president and CEO) and Michael Spanos (EVP).

O'Connell Robertson (formerly O'Connell Robertson & Associates) is a design firm that offers architectural and engineering services. It has completed more than 1,000 projects, including new university, K-12 education, and healthcare facilities. Its services include interior design, electrical and mechanical engineering, energy conservation planning, and financial analysis. Clients include Texas A&M, the University of Texas, and the Metroplex Hospital. Established in 1950, the firm has offices in Austin and San Antonio, Texas. O'Connell Robertson is a privately-held corporation owned by several employees.

Established in 1887, the family-owned company primarily operates throughout northern and central California. Like grains of sand through an hourglass, so are the business days of Teichert. The company's materials division produces sand, gravel, and ready-mixed concrete and supplies it to manufacturers, contractors, and government agencies. In possession of the oldest active contractor's license in the state of California, Teichert Construction is involved in building roads, bridges, parks, airports, and more. Through its Angelo Utilities division, Teichert Construction provides trenching services for underground utility systems needed in residential subdivisions.

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