The Viessmann Group is one of the world's leading manufacturers of heating and renewable energy systems. Family-owned since 1917, Dr. Martin Viessmann leads the company in its third generation. The group today employs over 8,600 employees worldwide and has a turnover of approx. 1.7 billion Euros. 16 manufacturing facilities in Germany, France, Canada, Poland, Hungary, Switzerland, Austria and China, sales & distribution facilities in Germany and 37 other countries, and 120 sales centers worldwide provide customer proximity and a strong global presence. Exports account for 60% of sales.

Wirt Design Group provides interior architectural design services from pre-project planning to implementation, including proprietary 3-D modeling of projects and incorporating green design practices. The firm caters chiefly to the entertainment, financial and business services, hospitality, and technology sectors in California. It has worked on multiple projects for firms such as The Capital Group Companies and Northwestern Mutual. Other notable clients have included Yahoo!, Disney, and EarthLink. Principal Jeff Wirt founded the company in 1994.

Arup Group, a global design and business consulting firm. The company provides engineering, architectural, and planning services worldwide, focusing on building, infrastructure, and consulting projects. Arup Group's service offerings range from acoustics engineering (Arup worked on the Sydney Opera House) to wind engineering (Scotland's Whitlee Windfarm, the largest planned on-shore wind farm in Europe). The company also specializes in transportation infrastructure projects. Arup Group has about 90 offices in some 40 countries in Africa, Asia, Australia, Europe, the Middle East, and North America. Engineer Ove Arup founded the employee-owned Arup Group in 1946.

The Linbeck Group lands landmark construction projects in Texas and beyond. The commercial and institutional construction company offers project management, construction management, real estate services, and design/build services. It serves clients in several sectors: education, health care, biotech/pharmaceutical, retail, entertainment, and corporate. The company's projects include Reliant Stadium in Houston; the Modern Art Museum of Fort Worth; the Federal Express headquarters in Tennessee; and MIT's School of Architecture in Massachusetts. The company was founded in 1938 by Leo E. Linbeck, who was the grandfather of current chairman Leo E. Linbeck III.

Catamount Constructors, Inc. company provides general contracting services for the construction of commercial, industrial, health care, institutional, and residential developments around the US. It offers services from conceptualization and design-build to construction management. Subsidiary CC Residential specializes in midrise multifamily residences including condominiums, apartments, and mixed-use developments. Catamount Constructors boasts a high customer return rate; it has provided services for such return clients as CarMax, Walgreen, and Chase Bank. CEO Geoff Wormer and other executives Kurt Kenchel, Jeff Sidwell, and Jeff Cochran founded the company in 1997.

Smith-Midland Corporation and its subsidiaries develop, manufacture, license, sell, and install precast concrete products for the general contractors in the construction, farming, and utilities industries, as well as federal, state, and local transportation authorities in the Mid-Atlantic, northeastern, and Midwestern regions of the United States. Its products include Easi-Set Slenderwall lightweight construction panels, which are prefabricated lightweight exterior cladding systems used for constructing the exterior walls of buildings; Easi-Set Sierra Wall that provides sound and sight barrier used around residential, industrial, and commercial properties and alongside highways; and Easi-Set J-J Hooks Highway Safety Barrier, a safety barrier for use on roadways to separate lanes of traffic. Smith-Midland Corporationalso offers Easi-Span expandable precast building; Easi-Set Precast building, a transportable, prefabricated, single-story, and concrete building for use in housing communication operations, traffic control systems, mechanical and electrical stations, inventory or supply storage, and restroom facilities or kiosks; and Easi-Set Utility Vault used for house equipment, such as cable, telephone or traffic signal equipment, and for underground storage. In addition, Smith-Midland Corporation provides Softsound soundwall panels, which are used to absorb highway noise; Beach Prisms, a shoreline erosion control product; and H2Out, a secondary drainage and street level leak detection product for panelized exterior cladding. Further, licenses its proprietary products to precast concrete manufacturers in the United States, Canada, Belgium, New Zealand, Australia, Mexico, Spain, and Chile. Smith-Midland Corporation was formerly known as Smith Cattleguard Company and changed its name to Smith-Midland Corporation in 1985. Smith-Midland Corporation was founded in 1960 and is based in Midland, Virginia.

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.

Langdon Wilson Architecture Planning Interiors provides planning, design, construction, project management, and construction administration services. Its projects include: the World Plaza in Shanghai, China; Cedars Sinai Medical Center in Los Angeles; Royal Georgian Resort in Jamaica; and Al Maidan Maternity Hospital in Kuwait. The firm has assignments in China, France, Germany, Kuwait, Mexico, South Korea, Spain, Thailand, and the US. It has offices in Los Angeles and Irvine, California; Phoenix; and overseas locations in Beijing and Kuwait City. Langdon Wilson was founded in 1951, with the construction value of its its portfolio currently at more than $12 billion.

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.

Martin Marietta Materials supplies the products to build the world around you. We are the nation’s second largest producer of construction aggregates used primarily for construction of highways and other infrastructure projects, in certain green initiatives, including flue gas desulphurization, and in the domestic commercial and residential construction industries. Our Aggregates Business’ network of more than 285 quarries, distribution yards and plants spans coast to coast through 27 states, Canada, the Bahamas and the Caribbean Islands.

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