American Gas Association (AGA)
American Public Gas Association (APGA)
American Association of State Highway & Transportation Officials (AASHTO)
American National Standards Institute (ANSI)
American Petroleum Institute (API)
American Society of Agricultural Engineers (ASAE)
American Society of Civil Engineers (ASCE)
American Society of Mechanical Engineers (ASME)
American Water Works Association (AWWA)
ASTM International (ASTM)
Building Officials and Code Administrators (BOCA)
Council of American Building Officials (CABO)
Department of Transportation (DOT)
DOT Transportation Safety Institute (TSI)
Gas Technology Institute (GTI)
Hydrostatic Stress Board (HSB)
International Association of Plumbing and Mechanical Officials (IAPMO)
International Conference of Building Officials (ICBO)
Jana Laboratories
National Fire Protection Association (NFPA)
National Transportation Safety Board (NTSB)
NSF International (NSF)
Plastics Pipe Institute (PPI)
Other Links of Interest
http://www.the-infoshop.com/
Plastic Tubing Incorporated
A. Schulman - Global Plastics Supplier
Polyethylene Pipe Supplier
American Maplan Corp.
Armtec Ltd.
FACTS, Inc