- American Association of State Highway and Transportation Officials (AASHTO): www.transportation.org
- Erosion Control Technology Council (ECTC): www.ectc.org
- Federal Highway Administration (FHWA): www.fhwa.dot.gov
- Geosynthetic Material Association (GMA): www.ifai.com
- International Erosion Control Association (IECA): www.ieca.org
- State Transportation Websties: www.fhwa.dot.gov/webstate.htm
Geotextile and Erosion Control Manufacturers
Geosynthetic Industry Related Organizations