Bikers With Heart
- Works to provide assistance to fallen and injured motorcyclists, disadvantaged youth and families. Includes events.
- http://www.fireupthundrout.com/BikersWithHeart/

DC Cycles
- Information about riding motorcycles in the metropolitan area. Also features a mailing list.
- http://www.dccycles.com

Motorcycle Events in the District of Columbia
- Includes Run for the Wall, Rolling Thunder Ride for Freedom and America's 9-11 Ride. Includes a mailing list.
- http://www.lets-ride.com/event/districtofcolumbia.htm

BMW Bikers of Metropolitan Washington
- Emphasizes camaraderie, education and safety, riding and exploring, and general enthusiasm for all aspects of owning and riding motorcycles. Includes news, membership information, newsletter, events, history, records a message boards.
- http://bmwbmw.org/

Centaur MC
- Gay leather men's club offers support and philanthropic opportunities. Includes calendar, member list, history and events.
- http://www.centaurmc.org/

Women on Wheels - Capitol Cruisers
- Works to unite enthusiasts for recreation, education, support, recognition and to promote a positive image of motorcycling. Includes events, chapter rides, meeting information, newsletter highlights and member profiles.
- http://www.capitolcruisers.org/