• American Public Works Association (APWA)
• Association of California Water Agencies (ACWA)
• American Water Works Association (AWWA)
• National Association of Water Companies (NAWC)
• National Rural Water Association (NRWA)
• National Utility Contractos Association (NUCA)
• New England WEF
• New Jersey NUCA
• New Jersey WEF
• Plastic Pipe and Fittings Association (PPFA)
• South Carolina WEF
• Texas Rural Water
• Uni-Bell PVC Pipe Association
• Water Environment Federation (WEF)

Standards & Testing

• American National Standards Institute (ANSI)
• American Society for Testing & Materials (ASTM)
• Factory Mutual (FM)
• NSF International
• Underwriters Laboratories Inc (UL)
  • Underwriters Laboratories Inc. (UL) Certifications Directory

Trade Publications

• Civil Engineering
• CE News
• Design Build
• Engineering News Record (ENR)
• Modern Plastics
• Plastics News
• Public Works
• Trenchless Technology
• Underground Construction
• Water Engineering & Management
• Water Online
• Water & Wastes Digest
• WaterWorld