Underground Utility Contractors of Florida
- UUCF is a non-profit trade association representing over 600 underground utility contractors, material and equipment suppliers, and manufacturers throughout the state of Florida. UUCF members are involved in water, sewer, gas, and telephone installations
- http://www.uucf.com/

Gulf Coast Trenchless Association [GCTA]
- GCTA's purpose is to advance the science & practice of installing, repairing, maintaining and replacing utility lines & related facilities through construction & rehab techniques that do not require digging a trench (trenchless technology).
- http://www.gctaonline.org/

Chinese Society for Trenchless Technology (CSTT)
- ISTT Affiliate in China.
- http://www.chkstt.org/

Association of Metropolitan Water Agencies [AMWA]
- Association of Metropolitan Water Agencies [AMWA] - The site features items of interest in the fields of drinking water regulation and legislation, the Safe Drinking Water Act, Source Water Protection, Watershed Assessments, Drinking Water Treatment, and
- http://www.amwa.net/

Pipe Jacking Association
- The Pipe Jacking Association has been established for 25 years and represents the leading contractors, pipe suppliers, and machine manufacturers in the United Kingdom pipe jacking and microtunnelling industry.
- http://www.pipejacking.org/

Distribution Contractors Association
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- http://www.dca-online.org/

Engineering & Utility Contractors Association (EUCA)
- EUCA is dedicated to serving union-affiliated construction companies.
- http://www.euca.com/

Associated Research Centers for the Underground Urban Space [ACUUS]
- The ACUUS is an international non-governmental association actively promoting partnerships amongst all actors in the field of planning, management, research and uses of urban underground space.
- http://www.acuus.qc.ca/

CeoCor
- Committee on the study of pipe corrosion and protection.
- http://www.ceocor.lu/

ASTM Committee F-17 on Plastic Piping Systems
- Sub-committee F-17.67 is focused upon the development of trenchless technology standards.
- http://www.astm.org/cgi-bin/SoftCart.exe/COMMIT/COMMITTEE/F17.htm?L+mystore+zrkn6860+947885479

Underground Contractors Association of Illinois
- UCA is a nonprofit trade association of contractors and suppliers in the sewer, water, utility, and underground industry in the Chicago area. It is active in market development, information, education, labor, and promotion of safety.
- http://www.uca.org/

International Tunnelling Association [ITA - AITES]
- Founded in 1974, ITA has 47 Member Nations and 250 Affiliate Members. The aims of ITA are to encourage planning of the subsurface and to promote advances in the preparatory investigations for tunnels and in the design, construction and maintenance of tunn
- http://www.ita-aites.org/

International Society for Trenchless Technology [ISTT]
- ISTT was established in 1986 to advance the science and practice of Trenchless Technology for the public benefit, and to promote education, training, study and research in that science and practice.
- http://www.istt.com/

Federation of Canadian Municipalities
- The Federation of Canadian Municipalities is the national voice of municipal governments, dedicated to improving the quality of life in all communities by promoting strong, effective, and accountable government.
- http://www.fcm.ca/

Great Lakes & St. Lawrence chapter of NASTT
- The North American Society for Trenchless Technology (NASTT) is an association of consulting engineers, educators, contractors, governmental agencies and regulators involved with the application of trenchless technologies. Our Chapter is an affiliate of N
- http://www.nasttglsl.on.ca/

American Underground-Construction Association (AUA)
- Professional association involved in the planning, design, development, construction and use of underground facilities.
- http://www.auca.org/

Association of Metropolitan Sewerage Agencies [AMSA]
- AMSA represents the interests of wastewater treatment agencies through crafting legislative and regulatory policy that incorporates comprehensive watershed management into our national clean water program.
- http://www.amsa-cleanwater.org/

National Clay pipe Institute [NCPI]
- National Clay Pipe Institute is a not for profit trade association comprised of manufacturers of vitrified clay pipe.
- http://www.ncpi.org/

National Rural Water Association [NRWA]
- The NRWA is America's largest utility membership association serving over 19,000 water and wastewater utilities.
- http://www.nrwa.org/

American Society of Civil Engineers [ASCE]
- The Pipeline Infrastructure Committee [PINS] of the American Society of Civil Engineers regularly considers issues pertaining to trenchless technology.
- http://www.asce.org/

American Public Works Association [APWA]
- The American Public Works Association [APWA] serves its members by promoting professional excellence and public awareness through education, advocacy and the exchange of knowledge.
- http://www.apwa.net/

National Utility Contractors Association (NUCA)
- NUCA has a trenchless technology committee. Site contains membership, convention and legislative information; online store and magazine, member QandA bulletin board, weather search features.
- http://www.nuca.com/

Water Environment Federation [WEF]
- Trade association focused upon preserving and enhancing the global water environment. The Collection Systems Committee is very active in trenchless technology. Most trenchless technology product firms exhibit at the WEF Tradeshow and Exhibition [WEFTEC].
- http://www.wef.org/

United Kingdom Society for Trenchless Technology [UKSTT]
- UK affiliate of ISTT
- http://www.ukstt.org.uk/

NASSCO
- NASSCO is an industry resource for specification guidelines, industry practices, inspector training, and new technology know-how.
- http://www.nassco.org/

North American Society for Trenchless Technology (NASTT)
- A multiple disciplinary society of individuals and organizations with professional, utilitarian or environmental interests in Trenchless Technology.
- http://www.nastt.org/