Caroflow Unlimited roof, floor and linear drainage
Caroflow Limited offer a full range of Roof and Floor Drainage Products. The Roof & Floor Drainage ranges cater for various scenarios requiring the application of Roof & Floor Drainage Products.
http://www.caro.co.uk/index.php?section=Caro%20Flow

DCS - Drainage Cleaning Services
DCS provides a range of services to the water and drainage industries as well as facilities management services and a diverse range of building and maintenance services in Scotland and throughout the UK including pipe rehabilitation.
http://www.dcsuk.com/

Prinsco, Inc.
Prinsco is a leading manufacturer of polyethylene drainage pipe. Our gold stripe is your guarantee of quality.
http://www.prinsco.com/

Agricultural Drainage Management Coalition - ADMC
Agricultural drainage improvements. Conservation innovation grant.
http://www.admcoalition.com/

Advanced Drainage Systems [ADS]
ADS Advanced Drainage Systems is the world's largest manufacturer of polyethylene corrugated HDPE pipe products.
http://www.ads-pipe.com/

Hepworth Drainage
Wavin, UK’s leading supplier of Hepworth Clay and plastic drainage systems, Hep2O flexible push-fit plumbing, as well as soil, waste and rainwater systems.
http://www.hepworthdrainage.co.uk/

Mine Environment Neutral Drainage (MEND 2000)
Mining and Mineral Sciences Laboratories
http://www.nrcan.gc.ca/mms/canmet-mtb/mmsl-lmsm/mend/default_e.htm

Springfield Plastics
Springfield Plastics, manufacturer of quality hdpe pipe, has drainage products for agricultural, residential, building, commercial and highway markets
http://www.spipipe.com/

Web Tec, Inc
Information on ground stabilization, drainage protection, erosion control, sediment control, and storm water management
http://www.webtecgeos.com/

Williams Engineering Inc
Stormwater and floodplain management, irrigation systems, water engineering, transportation engineering, development engineering, wastewater engineering, and miscellaneous services. Serving the Rocky Mountain Region Since 1992. Rexburg, Idaho.
http://www.grwei.com/