Ball George L.

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 Design/Build Institute of America is an organization that focuses on collaboration and innovation to deliver successful projects. The non-profit company is based in Washington. The American company provides a platform for showcasing design-build projects and offer a project database where members can add project details and photos.

American Road & Transportation Builders Association is an association that focuses on growing transportation infrastructure. The private company is based in Washington. The CEO of the American company is Dave Bauer.

Part of Ascensus LLC, Parsons Group International Ltd. is a British company that provides engineering and management consulting services. The company is based in London, UK. Founded in 2007.