David DeLizza

Pennoni Associates, Inc. provides engineering and construction services. It offers personalized services and solutions to the local, state, and federal government clients, private, commercial, industrial, and construction clients as well as to other professional firms. The company was founded by Celestino R. Pennoni in 1966 and is headquartered in Philadelphia, PA.

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.

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