Torrance, CA. Offers information on membership and meetings.

ASP user group in Los Angeles, California.

Claremont, CA. CHOMP offers an e-mail list, forum, meeting schedule, newsletter, officers, and member list.

Cerritos Linux Users Group.

Simi Valley, CA. Bookstore, calendar, links, meeting, message board, news, reviews, and tutorials.

Lancaster, CA. Includes newsletter, meeting schedule, software library, and member resources.

Includes meeting history, directions, mailing list signup, and job listings.

Umbrella site for all Los Angeles Linux User groups. Links and information about upcoming events.

Community overview, including forum access.

Meeting notes and mailing list.

user group for the Perl programming language

Linux Users of Los Angeles.

Northridge, CA. Offers information on meetings, becoming a member, links, and hands-on seminars.

A corporate Yahoo users group with message board and mailing list.

Pasadena, CA. Includes mailing lists, special interest groups, links, and membership information

Santa Clarita, CA. Offers newsletter, meeting highlights, and membership information.

La Verne, CA. Information on membership.

San Gabriel Valley Linux Users Group (Altadena)

Linux Users Group for the Simi and Conejo Valleys in Southern California.

SMOG offers meeting minutes and schedules, membership information, and useful links.

Wireless users group in California, USA, with a focus on data communications using wireless technology. Contact and meeting information, streaming video archive of meetings and presentations.

This California, USA, based club is open to all people, young and old, from beginners to advanced. Meeting information and contact details.

University of Southern California Linux Users Group.