http://www.alleycat.org/

Best Friends Catnippers http://www.bestfriends.org/nmhp/la-programs/la-catnippers.htm

California Veterinary Medical Associationhttp://www.cvma.org/

Catalina Island Cats http://www.catalinaislandcats.com/

Central Coast Animal Protection Society http://www.skybusiness.com/furryfeet/

Feral Cat Alliance http://www.feralcatalliance.org/

Feral Cat Coalition http://www.feralcat.com/

Feral Cat Foundationhttp://www.feralcatfoundation.org/

Fix Our Feralshttp://www.fixourferals.org/

Forgotten Felineshttp://www.forgottenfelines.com/

Island Cat Rescue Associationhttp://www.icraeastbay.org/

National Pet Alliance http://www.fanciers.com/npa/npaintro.html

Palo Alto Humane Society http://www.paloaltohumane.org/catworks.html

Project Purrhttp://www.projectpurr.org/

SF/SPCAhttp://www.sfspca.org/home.shtml

Silicon Valley Friends of Feralshttp://www.svff.org/

http://catnet.stanford.edu/

 Town Catshttp://www.towncats.org/

 Valley Humane Societyhttp://www.valleyhumanesociety.org/

Other Sites Worth Noting

Animal Spirit http://www.theanimalspirit.com/

Amby http://www.amby.com/cat_site/feral.html

Cat-Related... http://www.catsontheweb.org/links.htm

In Defense of Animals http://www.idausa.org/

Pawprints & Purrs http://www.sniksnak.com/overpopulation.html