XGD Systems Golf Course Drainage
Offers a procedure in which a subsurface drainage system is installed to remove surface water and lower the water table in the green.
http://www.greensdrainage.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/

Drainage Specialties Inc
Manufacturer and distributor of products and equipment for water drainage systems, including gaskets, and aluminum and steel flanges for corrugated culvert and other metal pipe.
http://www.drainagespecialties.com/

Drainage Specialties
Manufactures and distributes products and equipment for water drainage systems, including gaskets, aluminum and steel flanges for corrugated culvert and other metal pipe.
http://www.drainagespecialties.com

Robert Bray Associates
Robert Bray Associates - sustainable drainage consultants - design cost effective, environmentally friendly drainage schemes which replicate natural systems.
http://www.sustainabledrainage.co.uk/

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

Delft University of Technology
Department of Sanitary Engineering. Research and education programs on the 'urban water cycle', namely, including drinking water supply, waste water collection and urban drainage, and waste water treatment.
http://www.citg.tudelft.nl/live/pagina.jsp?id=f101fd4d-f95a-41eb-a561-2a555b90a58d&lang=en

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

International Commission on Irrigation and Drainage
The International Commission on Irrigation and Drainage is dedicated to enhancing the worldwide supply of food and fibre for all people by improving water and land management and the productivity of irrigated and drained lands through appropriate management of water, environment and application of irrigation, drainage and flood management techniques.
http://www.icid.org