North American Society for Trenchless Technology (NASTT)
National Association of Sewer Service Companies (NASSCO)
Underground Construction Technology (UCT)
American Society of Civil Engineers (ASCE)
International Organization for Standardization (ISO)
The American Association for Laboratory Accreditation (A2LA)
American Society for Testing and Materials (ASTM)
Geosythetic Institute (GSI)
National Society of Professional Engineers (NSPE)
Texas Society of Professional Engineers (TSPE)
National Registry of Environmental Professionals (NREP)
Water Environment Federation (WEF)
American Council of Independent Laboratories (ACIL)
National Institute for Certification in Engineering Technologies (NICET)