American Legion Post 136
- Post information, newsletter, and contact information.
- http://greenbeltmdpost136.org/

Rotary Club Of Greenbelt
- District 7620, chartered March 26,1988. Event calendar and membership.
- http://www.greenbeltrotaryclub.org/

Wikipedia - Greenbelt, Maryland
- Free encyclopedia with history, geography and demographics.
- http://en.wikipedia.org/wiki/Greenbelt%2C_Maryland

Greenbelt Community Website
- Offers events calendar, business directory, homes and other useful information.
- http://www.greenbelt.com/

WestieMed
- West Highland White Terrier Medical Assistance is a non-profit organization created to distribute financial aid to injured or ill rescued Westies.
- http://www.westiemed.org

Virtual Greenbelt
- Chronicles the town's history as a New Deal-era planned community. Includes architectural drawings, photos, oral histories, and links to related materials.
- http://www.otal.umd.edu/~vg/

Partnership for Animal Welfare (PAW)
- A group of volunteers who facilitate the rescue of homeless domestic animals, mainly cats and dogs, and place them into loving and stable homes. Adoption shows are held in the suburban Maryland area.
- http://www.paw-rescue.org/

Knights of Columbus, Council No. 10885
- The St. Hugh Council of Greenbelt, Maryland who initiated the Maryland State Model Rocket Youth Activity, have their history documented along with a listings of their activities.
- http://www.greenbelt.com/sthughkofc

Astronomical Society of Greenbelt
- Sharing and educating people about the science and hobby of astronomy. Events, history, projects and membership information.
- http://www.greenbeltastro.org/