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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 applications.

The American Public Works Association [APWA] serves its members by promoting professional excellence and public awareness through education, advocacy and the exchange of knowledge.

The Pipeline Infrastructure Committee [PINS] of the American Society of Civil Engineers regularly considers issues pertaining to trenchless technology.

Professional association involved in the planning, design, development, construction and use of underground facilities.

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.

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.

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 Competitiveness issues for Public Utilities.

Committee on the study of pipe corrosion and protection.

ISTT Affiliate in China.