U.S. Foundry -  Manufacturer of quality construction castings and fabricated aluminum and steel related products for 85 years.

Water Environment Federation - The Water Environment Federation (WEF) will be the preeminent organization dedicated to the preservation and enhancement of the global water environment.

National Precast Concrete Association - NPCA is an international trade association representing the manufacturers of plant produced concrete products and the suppliers to the industry. NPCA began in 1965 with 75 members, and today represents more than 850 companies from around the world.