Business Construction and Maintenance Materials and Supplies Site Construction Pipes and Fittings Associations
American Water Works Association (AWWA)
National organization for clean water and water distribution systems. Develops standards for water pipes and hosts a supplier directory of pipe manufacturers for all materials.
DIPRA - Ductile Iron Pipe Research Association
Manufacturers association supported by the Ductile Iron pressure pipe manufacturers in North America.
Last update:January 2, 2007 at 17:48:10 UTC