Baguio City Association of San Diego County: Non-profit association of immigrants, retired and active military personnel. Encourages practicing their customs, traditions, religion, hold potlucks and meetings outdoors, kalusugan fitness program.
Movin' Up Moms of Multiples: MUMMs of San Diego is a support club for mothers of school-age and older multiples. Contact information.
National Association of Investors Corporation (NAIC) San Diego: Local chapter of non-profit organization that sponsors programs and provides information for the education and use of individual investors and investment club members. Information about activities and membership.
San Diego Astronomy Association: Events, newsletters, skywatching information, resources, science news, and membership information.
San Diego Chapter of the IPC Designers Council: A professional organization by and for printed circuit designers. Mission statement, events calendar, sponsors, resources, and minutes of meetings.
San Diego County Amateur Radio Council: SANDARC serves the ham radio community, and is made up of member clubs dedicated to the advancement of amateur radio. Includes information about activities and member clubs.
San Diego Creative Weavers' Guild: Educates the general public in the art of weaving. Meetings, workshops, classes, barter center, gallery, and membership information.
San Diego Hysterical Society: Humorous accounts of fictional people and bogus events.
San Diego Mountain Biking Association: Not-for-profit, volunteer organization representing the interests of off-road cyclists and other non-motorized trail users in the San Diego area.
San Diego Parrot Head Club: Club for people interested in the lifestyle and music of Jimmy Buffett. Photo album and membership information.
San Diego Peace Corps Association: Organization of returned Peace Corps volunteers and other interested parties dedicated to continuing the Peace Corps experience. Programs, events, newsletter, and membership information.
Society of Illustrators San Diego: Activities, resources, membership information, and samples of members' work
South Bay Amateur Radio Society: Ham radio club with members from San Diego, National City, La Mesa, Chula Vista, Imperial Beach, and San Ysidro. Monthly meetings, messages, and links.