Howard Stanley Hart was a turn-of-the-century entrepreneur, inventor, industrialist, and builder. In 1892, in partnership with Norman P. Cooley, he established the Hart & Cooley Manufacturing Company in Chicago, the first cold-rolled steel plant west of Pittsburgh. One of Hart's many inventions of the next few years was a steel heating register that proved superior to traditional heavy cast-iron models.

PGT Industries is the nation's leading manufacturer and supplier of residential impact-resistant windows and doors, as well as one of the largest window and door manufacturers in the nation, serving both the residential and commercial markets. Founded in 1980, the company pioneered the U.S. impact-resistant window and door segment and today employs approximately 1,350 at its manufacturing facilities in Florida and North Carolina.

GSH Group's services are centered around saving energy. The company provides such services as building engineering and maintenance that help facilities improve energy efficiency and emissions control. It does mechanical and electrical work, installs HVAC systems, refurbishes roofing and drainage systems, and offers water quality treatment and equipment. The group serves clients in the financial, industrial, leisure, pharmaceutical, retail, and telecommunications markets; they include IKEA, Pfizer, and T-Mobile. Land Securities is among its public-sector clients. Named after founder George Scarr-Hall, GSH Group is still owned by members of the Scarr-Hall family and has operations in the UK, Europe, and the US.

Martin-Harris Construction, the company provides design/build, general construction, and construction management services to commercial, institutional, and industrial projects throughout the Southwest. In addition to its home state, Martin-Harris also provides general contracting services in New Mexico, Texas, Colorado, and Utah. Martin-Harris has completed office, retail, hospitality, entertainment, high-rise condominium, and public works projects for clients such as Neiman Marcus, Embassy Suites, and US Air Force. The company was founded in 1976 by president and CEO Frank Martin. It has offices in Las Vegas and Phoenix.

The pursuits of general contractor Macro-Z-Technology (MZT) include transportation and infrastructure projects, industrial and commercial construction, and specialty construction. MZT has worked on airfields, highways, bridges, water treatment plants, dams, and renovation and remediation projects in the western US. It specializes in concrete work and design-build projects for municipalities and the federal government. The company often serves public agencies (including the US Army Corps of Engineers and the US Department of Agriculture), as well as private clients from its regional offices in Arizona, California, and Washington. MZT was founded in 1989 by president and CEO Bryan Zatica.

Bouygues (U. K.), a subsidiary of Gallic giant Bouygues, provides full-service construction, engineering, and design contracing services throughout the UK. Bouygues (pronounced "bweeg") UK targets the health care, education, and housing sectors; it has also completed office, retail, industrial, and residential projects. The company was involved in the award-winning redevelopment of the Home Office headquarters, completed in 2005. Bouygues UK's sister company Ecovert provides facilities maintenance services. The firm is a key player in the Private Finance Initiative (PFI), in which private funds are used to build and maintain public buildings. Bouygues UK also pursues private-sector clients.

Big-D builds big things. With offices in Utah, Arizona, California, and Wyoming, the construction firm offers design/build services to customers in about 20 states. Big-D focuses on projects for clients in such industries as manufacturing, health care, hospitality, food processing and distribution, manufacturing, and retail. The company's Signature Group builds high-end luxury homes, as well as and condominiums, spas, and other special projects in resort communities. Clients have included SYSCO and Marriott. The company also operates a concrete division devoted to architectural, structural, and parking garage projects. Big-D was founded in 1967 by Dee Livingood. His family continues to lead the company.

Tulikivi might not be able to warm a cold heart, but it can warm a cold hearth. Branding itself as the largest soapstone processor in the world, this Finnish company manufactures heat-retaining fireplaces and processes architectural stone for indoor and outdoor landscaping. Tulikivi builds and sells soapstone fireplaces, bakeovens, and stoves that can be custom-made to client specifications. Its architectural stone segment produces sinks, countertops, tiles, and flooring made of soapstone, granite, marble, and limestone.

McFarland Cascade company produces wood and composite products including pressure-treated utility poles, crossarms, lumber, and plywood. McFarland Cascade also packages and distributes consumer-oriented outdoor living products and develops computer software packages for assisting consumers in designing, estimating, and constructing such outdoor projects as decks. The company sells to customers in the US, Canada, the Middle East, and Asia, and operates four treating facilities in the Northwest and Mississippi. A third-generation of McFarlands, CEO Corry McFarland and EVP Greg McFarland, control the company, which was founded in 1916.

Contrary to its name, Chicago Bridge & Iron Company (CB&I) doesn't build iron bridges in Chicago. It is a global specialty engineering and construction company that designs and constructs energy infrastructure projects such as liquefied natural gas storage, petrochemical and gas processing plants, and heat transfer equipment. In addition to providing the technology used inside such facilities, the company also specializes in constructing storage tanks and other vessels. Major customers in each of these operating segments include CNOOC, Valero, Chevron, and SABIC. The company also serves other large corporations in the hydrocarbon, energy, power generation, and petrochemical industries.

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