Central Coast Memorial Society
- Countywide non-profit, non-sectarian association dedicated to dignity and economy in funeral and memorial arrangements.
- http://www.slonet.org/~ccms/

Rotary Club, Los Osos
- Business and social philanthropic membership club serving Los Osos and Baywood Park community needs by donating goods, scholarships and money.
- http://www.rotarylososos.org/

Central Coast Porsche Club
- A club for people who love Porsches, part of the Porsche Club of America. Information on membership and upcoming local events.
- http://www.pca.org/ccc/

AA 22nd District, SLO, San Luis Obispo
- California central coast central office intergroup, with a meeting directory indexed by day of week and city locations. Serving Alcoholics Anonymous members throughout San Luis Obispo county.
- http://www.sloaa.org

Rotary Clubs of San Luis Obispo
- Access to the Monday, Tuesday and Wednesday Rotary Clubs activities in the city of San Luis Obispo, California.
- http://www.slorotary.org

SLO Radio
- San Luis Obispo county's center for its five amateur or ham radio clubs, including the Estero Radio Club.
- http://www.sloradio.net