Seattle Bicycle Touring Club
- An informal group of recreational cyclists promoting Rides and Fun for its members.
- http://www.seattlebiketours.org/

Super Squadra
- Home of Team Zoka and offering race calendar and results, sponsor information, and photos.
- http://www.supersquadra.com/

Pazzo Velo Cycle Team
- A men's and women's team that competes mainly in road racing events on the West Coast and is sponsored by First Rate Mortgage. Race calendar and results provided.
- http://www.pazzovelo.com/

Union Bay Cycling Team
- A competitive bicycle racing team.
- http://www.unionbaycycling.com/

Seattle Bicycle Club
- A not-for-profit organization dedicated to recreational cycling.
- http://www.seattlebicycle.com/

Bicycle Alliance of Washington
- The main bicycle advocacy group in the state. Promotes bicycling, bicycle trails and safety. Provides information such as trails and maps, ride and event calendars, list of clubs and groups, bike transit and traffic information.
- http://www.bicyclealliance.org/

Backcountry Bicycle Trails Club
- Volunteer, nonprofit organization dedicated to preserving and enhancing mountain biking and trails. Includes an active e-mail list, volunteer opportunities, educational materials, and advocacy.
- http://www.bbtc.org/home/index.php

elameno.p
- BMX in Seattle, including photos and biographies of the team, art, and stories.
- http://www.elamenop.com/

Cascade Bicycle Club
- Offering advocacy and education programs and events. Also, features classified ads, ride calendar, photos and membership benefits.
- http://www.cascade.org/

Evergreen Tandem Club
- Promotes tandem riding in the Puget Sound area. Provides a place to meet other area riders, plan regularly scheduled group rides, workshops, and educational events.
- http://www.evergreentandemclub.org/