Clive Bransby

CCS International, Inc. provides construction consulting services. It also offers project and cost management services. The company was founded by Ian Parr in 1979 and is headquartered in Oakbrook Terrace, IL.

The American Society of Civil Engineers, founded in 1852, is the oldest national engineering society in America. The non-profit company is based in Reston, VA and has subsidiaries in the United States. With over 150,000 members worldwide, the organization advocates for sustainable and resilient practices to maintain and modernize the nation's infrastructure. The company also works to increase investment in infrastructure and improve engineering knowledge and competency. The society's Civil Engineering Landmark Program recognizes historically significant civil engineering projects, structures, and sites.

The American Institute of Architects operates as a professional association of architects. It provides support services for architects who wants to continue education experience and maintain their licensure; web-based resources; and conducts market research and provides analysis of the economic factors that affect the business of architecture. The company was founded by Richard Upjohn, H. W. Cleaveland, Henry Dudley, Leopold Eidlitz, Edward Gardiner, Richard Morris Hunt, J. Wrey Mould, Fred A. Petersen, J. M. Priest, John Welch, Richard Upjohn Jr., Charles Babcock, and Joseph C. Wells on February 23, 1857 and is headquartered in Washington, DC.

Owner Services Group, Inc. provides project planning, designing and management services. The company was founded by Ian B. Parr in 1992 and is headquartered in Oakbrook Terrace, IL