Mark T. Celoni

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.

National Society of Professional Engineers operates as a national organization committed to addressing the professional concerns of licensed PEs across all disciplines. The company was founded in 1934 and is headquartered in Alexandria, VA.

The Urban Land Institute operates as a non-commercial research organization. It provides leadership in the responsible use of land and in creating and sustaining thriving communities worldwide. The company was founded on December 14, 1936 and is headquartered in Washington, DC.

The Fairmount Park Conservancy engages in raising funds to promote parks and historic properties. It offers capital projects, neighborhood park stewardship and programs. The company was founded in July 1998 and is headquartered in Philadelphia, PA.

Engineers' Club of Philadelphia operates membership based engineers organization. The company was founded in December 1877 and is headquartered in Philadelphia, PA.