Future Stars Futbol
- Soccer day camps for players of all abilities from ages 6 to 15 year old.
- http://www.futurestarsfutbol.com/

Markham Regional Arboretum Society
- Information, international garden, membership, plant sales, programs, newsletter, seed exchange, Bud Hansen Arbor, volunteer information, meetings.
- http://home.earthlink.net/~markhamarboretum/

Pyramids Cheer and Dance
- California All-Star site includes photos, program and staff descriptions, team titles, quizzes, and downloads.
- http://cheergyms.com/pyramids.htm

Mount Diablo Pilots Association
- An association of pilots based at Concord Buchanan Field (CCR) providing social and flying events.
- http://www.mdpa.org/

Ygnacio Valley High School Athletic Boosters
- Current team rosters, schedules, scores and events.
- http://yvhsathleticboosters.org

Clayton Valley Bowl
- Tournaments, coming attractions, weekly top bowlers, tourney results, party central, lounge, leagues, digital bowling.
- http://www.claytonvalleybowl.com/

Terrapins Swim Team
- General and program information, college Terrapins, alumni page, e-scrip, year-round team, bingo, 2002 Far Westerns.
- http://www.terrapinswim.com/

Concord Model Engineers
- Model airplane club. Flying times and location, newsletter, links to other clubs.
- http://www.concordmodelengineers.org/

Mt. Diablo Soccer AYSO/CYSA Youth Soccer
- Located in Concord and Clayton. Information, registration, schedules, policies, coach and referee pages.
- http://www.mdsoccer.org/

Diablo Valley Soccer Club
- CYSA Northern California Competitive Youth Soccer Club. DVSC provides a competitive soccer program for boys and girls from U-10 to U-19 in CYSA District IV.
- http://www.dvsc.com/

The Jungle - Fun & Adventure
- Located in Concord and San Jose. Party information and reservations, general information, upcoming events, photo tour, gift certificates, merchandise and franchise opportunities.
- http://junglefunandadventure.com/

East Bay Barefoot Hikers
- Club for people who enjoy walking barefoot.
- http://www.unshod.org/ebbfhike