| American Society of Civil Engineering (ASCE) | www.asce.org |
| Trenchless Technology Center (TTC) Louisiana Tech | www.ttc.latech.edu |
| Water Environment Federation (WEF) | www.wef.org |
| American Water Works Association (AWWA) | www.awwa.org |
| American Society for Testing and Materials (ASTM International) | www.astm.org |
| National Utilities Contractors Association (NUCA) | www.nuca.com |
| Society of American Military Engineers (SAME) | www.same.org |
| North American Society of Trenchless Technology (NASTT) | www.nastt.org |
| American Composites Manufacturers Association (ACMA) | www.acmanet.org |
| American Public Works Association (APWA) | www.apwa.net |
| Transportation Research Board (TRB) | www.trb.org |
| Center of Innovative Grouting Materials And Technology (CIGMAT) | cigmat.cive.uh.edu |
| Associaton of Metropolitan Sewerage Agencies (AMSA) | www.greenbiz.com/resources
/water/organization.cfm?LinkAdvID=2014 |
| Center for Underground Infrastructure Research & Education (CUIRE) | www.cuire.com |
| American Society of Mechanical Engineers (ASME) | www.asme.com |
| National Association of Corrosion Engineers (NACE) | www.nace.org |
| American Society for Quality (ASQ) | www.asq.org |
| Society of Plastic Engineers | www.4spe.com |
| Associated General Contractors of America (AGC) | www.agc.org |
| American Underground Construction Association (AUA) | www.auca.org |
| Centre for Advancement of Trenchless Technologies (CATT) | www.civil.uwaterloo.ca/catt/ |
| Gulf Coast Trenchless Association (GCTA) | www.gctaonline.org |
| International Pipeline & Offshore Contractors Association (IPLOCA) | www.iploca.com/ |
| International Society of Trenchless Technology (ISTT) | www.istt.com/index.cfm?menuID=4 |
| Pipe Line Contractors Association (PLCA) (Canada and US) | www.plca.org |
| Pipe Rehabilitation Council (PRc) | www.piperehab.org |
| Tunneling Association of Canada (TAC) | www.tunnelcanada.ca/intro.html |