American Cat Fanciers Association
Cat Clicks
Cat Fanatics Store
Cat Fanciers
Cat Fanciers' Association
Cat Welfare Society
Cats Protection League (UK)
Cats United International
DreamCats!
International Cat Association
Meowhoo.com
Shopcat.com
The Cats' House
TheCatSite.com
Tidy Cats
Video Catnip
Virtual Kitty