Nortek delivers a breath of fresh air. The company makes and distributes heating, air conditioning, ventilation (HVAC), and home technology products for the residential and commercial construction, remodeling, and renovation markets. In addition to HVAC systems, Nortek's wares include range hoods and other ventilation products, indoor air-quality systems, lighting controls, and home entertainment and security system equipment. Products, which are sold primarily in North America and Europe, bear the Nortek name, along with other brands including Broan-NuTone, as well as such licensed names as Frigidaire and Maytag.

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.

Cox Industries is no splinter group; its wood products are pressure-treated to stay together. The company is a manufacturer of pressure-treated wood products for such applications as outdoor furniture, playground equipment, decking, fences, arbors, gazebos, and more. Its Utility Products Division makes treated wood products used in utility poles, cross arms and brace arms, guard rails and posts, retaining walls, and marine construction. Products are distributed through building supply dealers, distributors, and specialty stores in the eastern US and internationally in Belgium and the UK. The company, founded as Wood Preserving in 1954, is still run by the Cox family.

MWH Americas knows the ABCs of industrial design. The company, the Americas arm of employee-owned consulting firm MWH Global, provides engineering design and remediation, construction, procurement, program management, and technology services for the environmental, land, water, wastewater, energy, and power markets. Like its parent, it specializes in water, wastewater, and hydropower ("wet infrastructure") projects. Subsidiary MWH Laboratories performs analysis on potable and recycled water. MWH Americas has some 90 offices in the US, Canada, and Central and South America.MWH Global traces its back to the 1850s.

Dallas Contracting Co. is demolition. The specialty contractor provides demolition of industrial and commercial facilities (including structures such as water towers, concrete silos, and steel tanks), onsite concrete crushing, and salvage and scrap metal removal and recycling. The company also provides equipment removal, interior dismantling, plant decommissioning, environmental remediation, and brownfield redevelopment. In addition, it sells used and surplus equipment, from air conditioning units to generators. Dallas Contracting Co. began operating in 1979. It serves clients throughout the US; they have included Exxon Mobil, Honeywell, and K. Hovnanian.

Bergelectric provides design/build and design/assist services on projects that include office buildings, educational and other public-sector facilities, bioscience labs, entertainment complexes, hotels, data centers, hospitals, parking garages, water treatment plants, residential towers, and state-of-the-art prisons. Established in 1946, Bergelectric operates mainly in the western and southeastern US from about a dozen offices in Arizona, California, Colorado, Florida, Nevada, North Carolina, Texas, and Oregon.

Energy Maintenance Services Group I (EMS) is a one-stop shop for pipeline services in North America. The company's service offerings include compressor and meter station construction, corrosion surveying, environmental analysis, pipeline laying, and repair to major oil and gas producers, pipeline operators, local distribution companies, and independent power and utility operators in the US, Canada, and Mexico. It also operates and maintains about 25 pipelines and facilities throughout the US. Additionally, it supplies products such as valves and fittings and high-performance materials that help strengthen or protect pipes. Founded in 2003, EMS is one of the fastest growing privately-held companies in Houston.

Sargent Electric Company has earned its stripes providing electrical services for its customers. Founded in 1907 to serve Pittsburgh's steel industry, the electrical contractor performs construction work for utilities, foundries, oil refineries, chemical processing firms, and steelmakers. Clients have included Allegheny Energy, Duquesne Light, General Electric, and United States Steel. The company also provides electric service and maintenance services to residential, commercial, and government customers. Its service area encompasses about 20 states in the eastern half of the US. Sargent Electric is owned and managed by the Sargent family.

HKS is a good sport when it comes to building design. One of the largest architectural firms in the world, HKS has designed sports and entertainment, health care, hospitality, industrial, and corporate buildings in the US and across the globe. The company offers structural engineering, architecture, project management, and interior and graphic design services. Some of the firm's most notable work includes the Dallas Cowboys football stadium, the Whole Foods Market world headquarters, The Blue Man Group theater in Las Vegas, and the King Hussein Cancer Center in Jordan. HKS has more than 20 offices in the US, Mexico, Brazil, Dubai, China, and the UK. Harwood K. Smith founded the firm in 1939.

Peckham Industries has a crush on road materials. Peckham Industries, Inc. produces asphalt, crushed stone, ready mix concrete, and liquid calcium chloride (used to melt ice in the winter and to keep road dust down in the summer). It also builds and repairs roads. Peckham Industries, Inc. and its subsidiaries operate throughout New England with locations in New York, Vermont, and Connecticut. Peckham's plants include liquid asphalt facilities, hot mix plants, and a reclaiming facility. The company's Peckham Materials Corp. unit operates quarries and supplies aggregates through the Hudson River Valley. William Peckham, father of chairman and president John Peckham, founded Peckham Road Corp., the flagship of Peckham Industries, in 1924.

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