Subcategories 2

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.
[Mozilla Digging]
Last update:
January 2, 2007 at 17:48:10 UTC
Business
Computers
Games
Health
Home
News
Recreation
Reference
Regional
Science
Shopping
Society
Sports
All Languages
Arts