Sekisui Chemical (named for a concept of power taken from Sun-Tsu's Art of War) is a central corporation of the Sekisui "keiretsu --" companies affiliated through cross-ownership. Its main segments include housing, urban infrastructure and environmental products, and high performance plastics. Prefabricated housing (detached steel-framed and wooden-framed construction), accounts for about half of its sales. Other products include plastic pipes and fittings (used in water and sewage systems), medical multifrequency body fat meters, pipe valves, foams for automotive and construction applications, and rain gutters.

As a contractor in the oil and gas industry, Lamprell keeps the rigs drilling and the resources flowing. Through its operating subsidiaries, the company offers engineering services, new construction and fabrication, refurbishment, and upgrades of onshore and offshore oil and gas structures such as offshore jack-up rigs, land rigs, and lift boats. The company operates primarily in the Arabian Gulf region from three facilities located in the United Arab Emirates (UAE). Its customers have included SBM, Nabors Drilling, KCA Deutag, and Ensign. Lamprell was founded in the 1970s by the Lamprell family; it became a publically-traded company in 2006.

Strathclyde Homes is a builder of both residential and commercial properties. In addition, the company operates a home and apartment rental business, Strathclyde Homes Residential Letting. Since the company sold its first homes in 1988, it has ventured into a small portfolio of commercial developments with further plans to develop across the country.

DAVACO helps national retailers show off their goods. Originally established as Fixture Perfect in 1990, the private company has grown from a store fixture installer to a full-service retail designer, remodeler, and logistics and merchandising specialist. DAVACO offers architectural, construction, and installation services. The company is capable of conducting both small and large-scale rollouts, from five to 5,000 stores. Clients range widely in size from big-box to convenience stores, as well as restaurants and department stores. Clients have included Blockbuster, Dunkin' Donuts, and Pier 1 Imports. Beyond its primary US client base, DAVACO has done work for retailers in Canada, Guam, Mexico, and Puerto Rico.

Hartzell Hardwoods, an affiliate of Hartzell Industries, produces white oak (35% of its production), red oak, walnut, cherry, and ash lumber products. The company specializes in thick-stock oak lumber and walnut lumber. It operates 34 kilns and annually produces 10 million board ft. of lumber. Hartzell Hardwoods exports roughly 35% to 40% of its production throughout 10 countries in Europe, Asia, and the Middle East. John T. Hartzell began the family-owned business as a wagon maker in 1876. He then started up a sawmill to supply oak and ash lumber for his products. In 1900 he sold the business to his son, George, who specialized in walnut lumber for the European market.

Wood Treaters pressure treat enough wood to supply the US construction industry with marine and foundation piling, building poles, and southern yellow pine products. The company also supplies vinyl sheet piling manufactured by CMI Limited Company under the C-LOC and ShoreGuard brands, as well as natural and composite wood material made by CertainTeed and Trex used for decks, fences, docks, and other outdoor applications. Additional products offered include a protective wood coating by WoodRx and hardware such as nuts, bolts, rods, and washers. Wood Treaters was formed in 1980. It filed for Chapter 11 bankruptcy in 2009.

O'Neil Industries controls a family of construction companies, which includes W.E. O'Neil Construction Co. and T.L. Roof & Associates. With operations in Arizona, California, Colorado, and Illinois, the employee-owned company provides general contracting, construction management, design/build, and structural concrete services on primarily commercial projects throughout the US. It has worked on corporate offices, manufacturing and distribution facilities, and mixed-use centers for clients in the education, gaming, health care, hospitality, and retail industries. It has also done work in the residential and senior living sectors. Clients have included Boeing, DePaul University, and The Nature Conservancy.

Alchemy Design + Architecture is a master of transforming spaces. The company, based in Murrieta, California, provides a wide variety of architectural services ranging from interior design and furniture consulting to project management and graphic design. The firm also offers green architecture and design services. Alchemy Design + Architecture designs education, residential, and hospitality facilities, among others, for its clients in the private and public sectors. The company's clients have included Boeing, Fujitsu, Northrop Grumman, and UCLA. The company is owned and run by founder Laura Loring.

Cadence McShane Construction has been right in step with the top contractors in the US. A part of development and construction group The McShane Companies, it provides general construction, construction management, and design/build services for commercial, institutional, and industrial projects in Texas and the central US. The firm is known for its school and community projects throughout Texas. It also provides services to the manufacturing, office, multi-family residential, government, hospitality, and retail markets. Recent projects include a 730,000 sq. ft Port of Houston distribution center for First Industrial Realty. Cadence McShane was founded in 1995.

Bennett Environmental Inc., which operates in Canada and the US, uses a high-temperature process (thermal oxidizer) to treat contaminated soil. The group operates treatment facilities for companies requiring offsite removal and treatment of construction debris and contaminated soil before recycling or disposal. It treats such toxins as PCBs, pesticides, dioxins, creosote, and PCPs. Most of its revenues are generated from its waste remediation plant at Saint Ambroise, Quebec. The company began as a unit of oil spill equipment group Aqua-Guard Technologies, which was also founded by former chairman John Bennett.

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