Hydro Turf Planters Association
- Serves the hydro turf planting, grass, and erosion control industries . Includes a members only and public area . Provides industry news, advice and a listing of contractors.
- http://www.htpa.org/

Georgia Turfgrass Association
- Promotes professionalism through education, leadership and representation. Includes list of officers, events, membership application, and industry links.
- http://www.turfgrass.org/

Florida Turfgrass Association
- Founded in 1952 to further the cause of turfgrass in the state of Florida.
- http://www.ftga.org/

AGCSA Online
- Alabama Golf Course Superintendents Association's online site keeps you up date to on AGCSA activities.
- http://www.agcsa.org

The Ohio Turfgrass Foundation
- Promotes the turfgrass industry in Ohio.
- http://www.ohioturfgrass.org/

Mississippi Turfgrass Association
- A non-profit organization of individuals interested in promoting and expanding the turf and landscape industry in Mississippi and the Mid-South.
- http://www.msstate.edu/org/mta/

Alabama Turfgrass Association
- A non-profit organization established in 1961 to unite the supervising turfgrass management personnel of Alabama and Northwest Florida into a cooperative group for the collection, preservation, and dissemination of factual information concerning all aspec
- http://www.alaturfgrass.org/

Eastern North Carolina Turfgrass Association
- The purpose of the ENCTA is to promote turfgrass research and the interchange of the scientific and practical knowledge relating to the care of turfgrass.
- http://www.encta.org/

New Jersey Turfgrass Association
- The NJTA is dedicated to the advancement of the turfgrass industry in the state of New Jersey and throughout the world.
- http://www.njturfgrass.org

The Texas Turfgrass Association
- Founded in January, 1947 at Texas A&M University, the TTA seeks to promote fine turfgrass in Texas.
- http://www.texasturf.com/

Maryland Seeding Association
- Trade association of seeding contractors, suppliers, and others allied to the Maryland seeding industry. Serving turf sod, landscaping, lawn care, golf courses, parks, highways and sports fields in the mid-Atlantic region. Free guide for grass seed.
- http://www.marylandseeding.org

Midwest Sod Council
- Information and answers for turfgrass related questions as well as a sod index.
- http://www.midwestsodcouncil.com

New York State Turfgrass Association
- The mission of the NYSTA is to unify, lead and promote professionalism among people interested in the turfgrass industry.
- http://www.nysta.org/

Intermountain Golf Course Superintendents Association
- Dedicated to improving turfgrass maintenance in Utah and Southern Idaho.
- http://www.igcsa.org

Florida Sod Producers Cooperative
- Represents over 30 turfgrass producers in Florida involved primarily with St. Augustine grass and bermudagrass.
- http://floridalawn.com/