The Institute of Groundsmanship
- Membership organisation that represents groundsmen, greenkeepers and all others involved in landscaping, horticulture, sports turf, and amenity turf management. United Kingdom.
- http://www.iog.org/

Division C-5 (Turfgrass) of the Crop Science Society of America
- Member directory with e-mail addresses, list of officers, and annual meeting information. Focuses upon development, evaluation, establishment, and maintenance of turfgrass for multiple uses. Part of the sister societies American Society of Agronomy and So
- http://c5turf.org/

International Turfgrass Society
- Created to encourage research and education in turfgrass science. Group holds conferences every 4 years. Page includes list of officers, newsletter, events and membership information.
- http://www.uoguelph.ca/GTI/itsweb/

Maryland Turfgrass Council
- Organization to connect individuals, public agencies, and organizations to improve turfgrass culture, production, and education in Maryland. News and events, legislative affairs, and publications.
- http://www.mdturfcouncil.org/

Illinois Turfgrass Foundation
- Nonprofit group dedicated to supporting turfgrass research and education in the state. Includes research, education programs, publications, resources and contacts.
- http://www.illinoisturfgrassfoundation.org