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 Concrete Pressure Pipe Association
- Trade association representing the manufacturers of concrete pressure pipe used in the municipal and industrial markets for wastewater treatment, sewage treatment, and piping systems. Includes technical information and a list of manufacturers.
- http://www.acppa.org/

California Precast Concrete Pipe Association
- Trade association. Product information and membership roster.
- http://www.cpcpa.com/

Wisconsin Concrete Pipe Association
- Trade association representing concrete pipe manufacturers in Wisconsin. Product information and membership roster.
- http://www.wcpa.com/

Illinois Concrete Pipe Association
- Trade association for concrete pipe producers and affiliated companies serving the Illinois sewer and culvert market. Includes technical information and membership roster.
- http://www.il-concretepipe.org/

Ontario Concrete Pipe Association
- Canadian trade association for companies involved with concrete pipe, maintenance holes, box culverts and box sewers, and precast concrete specialty products. Includes technical information and membership roster.
- http://www.ocpa.com/

Concrete Pipe Association of Australia
- Trade association. Includes newsletters, technical information, free software, training, membership roster, and industry links.
- http://www.concpipe.asn.au/

Concrete Pipeline Systems Association
- Trade association in the UK focused on precast concrete pipeline systems. Includes membership roster and guide to precast concrete drainage products.
- http://www.concretepipes.co.uk/

Canadian Concrete Pipe Association
- Trade association for precast concrete wastewater and storm drainage products. Industry events calendar, monthly e-zine, and membership roster.
- http://www.ccpa.com/