Design Components, Inc. (DCI) designs, manufactures, and distributes metal building and metal roofing products, including doors and windows, rooftop walk systems, flashings, skylights, vents and fans, louvers, curbs, and related items. DCI sells its products to architects, engineers, contractors, and manufacturers. The company was established in the early 1970s.

MasTec, Inc. operates as a specialty contractor in the United States. It involves in the building, installation, maintenance, and upgrade of utility and communications infrastructure. The company builds wind farms, solar farms, and underground and overhead distribution systems, such as trenches, conduits, cable, power lines, and pipelines, which provide wireless and wireline communications, electrical power generation and delivery, and natural gas, crude oil, and refined products transport. It also installs buried and aerial fiber optic cables, coaxial cables, copper lines, electrical and other energy distribution systems, transmission systems, and satellite dishes, as well as deploys and manages network connections. In addition, MasTec offers regular maintenance of distribution facilities and networks, as well as provides emergency services for accidents or storm damage. It serves utility, communications, and government customers. The company was founded in 1929 and is headquartered in Coral Gables, Florida.

SASCO helps companies get wired to the Net as well as to the power grid. The electrical contractor is one of California's largest privately held electrical and data contractors. It offers preconstruction consulting, design/build services, multimedia infrastructure planning, and other services. SASCO also specializes in data systems installation and the servicing of data, voice, and video networks. SASCO works from a network of offices in California, Washington, and Texas. The company has worked on electrical systems for small office buildings, hotels, and larger projects such as Dodger Stadium, Los Angeles International Airport and Kodak Theater in Hollywood. SASCO was founded in 1967.

KHS&S Contractors, which specializes in wall and ceiling construction, including interior, exterior, acoustical, and insulation work. KHS&S is also one of the largest theme park contractors in the US and provides water feature and rockwork technology and concrete/tilt-up construction through its d2i venture. Founded in 1984, the specialty contractor has worked on projects for Universal Studios Islands of Adventure and for Walt Disney Parks & Resorts. KHS&S also works on convention centers, health care facilities, office buildings, laboratories, and other commercial projects.

The buzz on BUZZI UNICEM is that it is big in the cement and concrete industry. One of Italy's largest cement and concrete groups, BUZZI UNICEM produces expanded clay, ready-mix concrete, cement, aggregates, and other building materials in about a dozen countries; the Czech Republic, Germany, Italy, Mexico, Slovakia, and the US are its largest markets. The group operates some 40 cement plants, 530 ready-mix concrete plants, and 35 aggregate quarries in North America and Europe, as well as Algeria and Russia. BUZZI UNICEM controls Dyckerhoff, a leading cement group and construction materials company in Germany. The Buzzi family owns a majority of BUZZI UNICEM's stock.

JJJ Floor Covering provides a variety of commercial floor covering products and installation services, primarily for customers in California. The company's products include commercial carpets, vinyl tile, stone, wood, and other types of flooring. JJJ operates from offices in Northern and Southern California. Clients include educational facilities, hospitals, and offices. The company also works on tenant improvement projects. Minority-owned JJJ Floor Covering was founded in 1964. It is part of Starnet Worldwide -- a partnership of 170 individually-owned commercial flooring companies in North America and the UK.

A company that was in construction before Reconstruction, McCarthy Building Companies is one of the oldest privately held builders in the US. The general contractor and construction manager ranks among the top builders of health care and education facilities in the country. Contracts include heavy construction projects (bridges and water- and waste-treatment plants), commercial projects (retail and office buildings), and institutional projects (airports, schools, and prisons). Subsidiary MC Industrial handles energy, auto, and other manufacturing projects. Timothy McCarthy founded the firm in 1864. His great-grandson, Michael McCarthy, sold the firm to its employees in 2002.

Adolfson & Peterson provides general construction, construction management, design/build, and facilities maintenance services. With 10 offices scattered around the United States the company provides services for health care, multifamily residential, education, and institutional projects. Adolfson & Peterson also works on retail, office, hospitality, and manufacturing and distribution projects and offers historic renovation services. George Adolfson and Gordon Peterson established the company as a homebuilder in 1946. The Adolfson family has a majority stake in the company. David Adolfson (son of George Adolfson) continues to be active in the company and serves as chairman emeritus.

Denne Construction builds affordable housing, apartments, schools, office buildings, and other structures throughout London and in southeast England. The regional contractor focused primarily on clients in the public sector, with an emphasis on subsidized housing, public construction, education, and senior living projects. The company is part of The Leadbitter Group, which was acquired in a Bouygues-led management buyout from Dutch construction firm Heijmans in late 2010. Denne Construction traces its roots to 1803, when it specialized in building coffins (among other things).

ROEL Construction builds large commercial projects,the general contractor provides commercial building preconstruction, construction, and management services to private-sector customers in the western US. It offers services including construction forensics, design, and management, focusing on new construction, tenant improvements, structural concrete work, and consulting. ROEL Construction has California offices in Palm Desert, Irvine, and San Diego, and another office in Las Vegas. The family-owned company was founded in 1917 by Tom Roel, great-grandfather of president and COO Kevin Elliott. Suffolk Construction is buying ROEL to boost its presence in Southern California.

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