Gary J. Klein

Wiss, Janney, Elstner Associates, Inc. provides structural engineering services. The firm provides structural evaluation, roofing and waterproofing, historic prevention, repair and rehabilitation, blast engineering, and testing and instrumentation services. The company was founded by Jack Janney in 1956 and is headquartered in Northbrook, IL.

American Concrete Institute operates as an institute for the development of consensus-based standards, technical resources, educational and training programs and certification programs. The company was founded in 1904 and is headquartered in Farmington Hills, MI.

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.

HNTB Corp. provides architecture, engineering and planning services. It provides architecture, aviation, bridges, construction, design build, financial resources, freight rail, high-speed rail, higways, planning, program management, technology, tolls, transit, tunnels Water. The was founded in 1914 and is headquartered in Kansas City, MO.