» 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

» American Concrete Pipe Association
   A nonprofit organization, composed primarily of concrete pipe manufacturers in the U.S. and Canada. ACPA provides members with research, technical and marketing support to promote the use of concrete pipe products for drainage and pollution control applic
   http://www.concrete-pipe.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/

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

» 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/

» 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/

» 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/

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

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

» Directional Crossing Contractors Association [DCCA]
   The DCCA is a trade association established in 1991 to promote the interests of the directional crossing industry and to educate the public regarding the issues critical to the development of the industry. The DCCA serves the pipeline and utilities indust
   http://www.dcca.org/

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

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

» GSTT - German Society for Trenchless Technology e.V.
   German Affiliate of ISTT
   http://www.gstt.de/index_e.htm

» 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/

» 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.undergroundinfo.com/gcta/

» IEEE Working Group 11-28: Guided Boring Installation of Cable and Conduit
   Provides a forum for discussing the technology and application of the trenchless technique to install cable. Acts as the Electric Industry's "experts" in providing guidance on application guides, standards, and specifications for the trenchless
   http://www.ewh.ieee.org/soc/pes/icc/subcommittees/subcom_c/wgc_13/wg11_28.htm

» 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/

» 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/

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

» 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/

» 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/

» Northwest Chapter - NASTT
   The Chapter is an affiliate of the North American Society for Trenchless Technology NASTT. It is a multiple disciplinary society of individuals and organizations with professional, utilitarian or environmental interests in Trenchless Technology.
   http://trenchless-technology.org/

» 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/

» Pipe Rehabilitation Council (PRc)
   The PRc is a North American based trade organization dedicated to the advancement of pipe rehabilitation. The PRc routinely hosts symposia and technical sessions, as well as promoting pipe rehabilitation research, and public awareness of underground infra
   http://www.piperehab.org/

» Pipeline Industries Guild
   The UK-based world-wide authority on pipeline engineering and associated activities, attuned to the needs of its members and the industry. The Pipeline Industries Guild was formed in 1957. Since then, it has evolved to be the only association world-wid
   http://www.pipeguild.co.uk/

» 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/

» 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/index.html

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

» 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/