Federations:

World Cat Federation e.V. | Germany
World Cat Federation (WCF) | Europe
World Cat Federation
The Australian Cat Federation (Inc)
Cat Federation of Southern Africa
Cat Fanciers Federation
Malta Feline Federation
Feline Conservation Federation (FCF)
Federation Internationale Feline (FIFe)

Kennels:
KITTY HILL RESORT for CATS | Santa Cruz, CA
California Cat Center, Inc. | Van Nuys, CA
Ferndale Kennels and Cattery | Hong Kong

Clubs and Associations:

The International Cat Association (TICA)
The International Cat Association (TICA) members
The International Cat Association (TICA) Show Calendar

The American Association of Cat Enthusiasts, Inc. (AACE)

The Cat Fanciers' Association (CFA)
The CFA North Atlantic region
The CFA Northwest Region
The CFA Gulf Shore Region
The CFA Great Lakes Region
The CFA Southwest Region
The CFA Midwest Region
The CFA Southern Region
The CFA Japan Region
The CFA International

The Cat Club

The Westchester Feline Club

The Governing Council of the Cat Fancy | United Kingdom

Cat Shows:

EcatSHOW.com

Other:

Maincoon Cats
Just Cats
Northeast Cat Club Organization

... or search Google for additional cat related websites

Web PetEvents.org