Kawneer is definitely into metal. Operating as Kawneer North America, the company manufactures architectural aluminum building products and systems for use in commercial and industrial construction. The Alcoa subsidiary's products include sliding and swing entrances, framing systems for shopping malls and storefronts, hung/sliding and ribbon/fixed windows, building panels, sun control products, and curtain wall systems for stadiums, sports facilities, schools, low-rise offices, and high-rise buildings. Kawneer operates manufacturing plants and fabricating service centers throughout the US and Canada. The company also sells products in Europe, Asia, and the Middle East.

Nuprecon. Considered one of the largest companies in its industry, Nuprecon specializes in demolition services, including total building and targeted demolition, and plant dismantlement. Nuprecon also offers environmental remediation and abatement, construction-related debris and hazardous waste recycling, and concrete sawing and drilling. Serving various industries, the company's projects have included factories, office and retail buildings, hotels, hospitals, and government buildings. Nuprecon, which is majority-owned by private equity firm Evergreen Pacific Partners, merged with competitor CST Environmental in 2008.

Barnes Gromatzky Kosarek Architects provides architectural design services that include needs analysis and programming; masterplan development; new construction, renovation, addition, and interior design; and project management. The firm specializes in civic, university, school, and government building projects, though it also designs commercial and residential buildings. Clients include The University of Texas, Texas A&M University, the City of Austin, and the US Department of Housing and Urban Development. The firm was founded in 1985 and is owned by principals Jay Barnes, Carl Gromatzky, and Thomas Kosarek.

Enka focuses on building airports, bridges, industrial plants, hospitals, petrochemical plants, power plants, shopping malls, and other large structures and complexes. Enka also rents and manages office and retail buildings. The company operated hypermart shopping centers in Russia, but handed over operations of the markets by renting the spaces to Auchan in 2007. The transaction signals Enka's move away from retail management. Other operations include machinery distribution and management of natural-gas power plants. Tracing its roots back to 1957, Enka was formally established in 1967.

Carrier shoulders the load of keeping things hot and cold. Carrier Corporation is the world's largest maker of heating, air-conditioning, and refrigeration systems for residential, commercial, industrial, and transportation needs. Through Carrier Transicold, it makes truck/trailer and container refrigeration equipment and provides transport air-conditioning systems for bus, rail, and marine customers. Carrier also provides aftermarket services and components for its products. The company is a subsidiary of diversified manufacturer United Technologies Corporation (UTC); it accounts for about 20% of UTC's sales. Carrier operates around 50 manufacturing facilities and has dealers in more than 170 countries.

Antonio Ruiz has left his blood, sweat, and tears. Ruiz owns and operates A. Ruiz Construction Company & Associates (ARCCO), a firm which he founded in 1978. A general engineering and building contractor, ARCCO has expertise in civil engineering, as well as residential construction and remodeling. It has worked on everything from reservoir repair and street improvements to utilities installation and demolition in both the public and private sectors. Clients include the City of San Francisco, Pacific Gas & Electric, and Bombardier Transportation. ARCCO primarily serves the Bay Area.

Caddick Group offers construction, civil engineering contracting, and property development services throughout the UK. The group's construction and development projects cross over multiple sectors, including commercial, industrial, institutional, leisure, retail, and residential. Clients include J Sainsbury, LINPAC, and Croda International. Firm founder Paul Caddick shares ownership of the Headingley Carnigie Stadium near Leeds and is part owner of two professional rugby teams in the city. In 2007 Leeds Metropolitan University bought a majority of one of the teams, known as Leeds Carnigie. The Caddick Group remains a main sponsor of the teams.

Costain constructs some of the UK's major infrastructure and environmental projects. But Costain's reach goes beyond its home country. Since its founding in 1865 by Richard Costain, the civil engineering and building group has worked on a number of significant projects at home and abroad, including the Channel Tunnel and Channel Tunnel Rail Link and Hong Kong's Tsing Ma Bridge. Costain focuses on building projects in the highway, water, waste, energy, health, and education markets. Its residential property operations are based in southern Spain. Malaysian construction company UEM Builders Berhad and Kuwaiti builder Mohammed Abdulmohsin Al-Karafi & Sons each own 22% of Costain.

Founded in 1914, Boston Sand & Gravel has supplied concrete for major projects such as Boston's Central Artery/Tunnel, known as The Big Dig. Boston Sand & Gravel's shovel is full of aggregates and concrete. The company operates concrete and ready-mix cement plants in eastern Massachusetts; it also has a sand and gravel facility in New Hampshire. The construction materials business operates a fleet of more than 250 mixer trucks that deliver concrete to its customers (including home builders, developers, and contractors in the New England region) and it operates a short-line railroad that transports aggregate products from the New Hampshire facility to the greater Boston area.

Daelim Industrial is also involved in petrochemical manufacturing. The company's engineering and construction services business focuses on projects in three main areas: multi-family housing and commercial buildings, civil works (including bridges, tunnels, and marine facilities), and plants (such as petrochemical facilities). Its chemical business includes the manufacturing of basic petrochemicals and value-added products. Working on overseas projects since the mid-1960s, Daelim Industrial has developed into a worldwide company with operations in Asia, the Middle East (its most important market), and North America.

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