American Society of Civil Engineers
Founded in 1852, the American Society of Civil Engineers (ASCE) represents more than 144,000 members of the civil engineering profession worldwide and is America's oldest national engineering society.
American Society for Healthcare Engineering
With 10,000 members, ASHE is the largest association devoted to optimizing the health care physical environment. As a trusted industry resource, ASHE is committed to our members, the facilities they build and maintain, and the patients they serve.
American Society for Testing and Materials
ASTM International is one of the largest voluntary standards development organizations in the world-a trusted source for technical standards for materials, products, systems, and services.