William Tsao

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.

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.

National Association of Home Builders operates as a housing trade association. It provides advocacy on issues impacting home builders, networking for home builders and those associated with the home building industry and education for home builders those associated with the home building industry. The company was founded in 1942 and is headquartered in Washington, DC.

Dallas/Fort Worth International Airport provides information regarding airport including airlines, ground transportation, and parking. It offers information regarding seven runways, three control towers, four terminals, and about 140 gates. The company was founded in 1974 and is headquartered in Dallas, TX.

Dallas Area Rapid Transit operates local and express bus routes. It offers public transit services, customer facilities, carpool and vanpool services. The company was founded 1983 and is headquartered in Dallas, TX.