American Fancy Rat and Mouse Association
International rat and mouse club for show and pets.

London & Southern Counties Mouse and Rat Club
Founded in 1916. Describes varieties of both animals and includes digital library, book list, and membership information.

Rat and Mouse Club of America - Southern California Chapter
Club information and links to resources, as well as Furry Friends Orphanage in Southern California.

Australian Mouse and Rat Information Service
AMRIS international mouse and rat welfare and pet care information service and newsletter. Rodent adoption shelter to re-house unwanted domestic rats and mice.

Australian Rodent Fanciers Society - Tasmania
Social club for rat and mouse owners. Includes basic rat and mouse care and health guides, toy ideas, products, membership, rodent rescue, kitten register, rattery/mousery listing, contact details, events calendar.

Bay Area Rat and Mouse Club of America
Local chapter in California. Includes a list of local shelters.

RMCA
Rat and Mouse Club of America. Includes club information, events, contests, merchandise, rat standards, vet recommendations, and magazine subscription information.

Australian Rodent Fanciers Society Queensland
Rodent club for rat and mouse enthusiasts living in Queensland, Australia. Includes care guides and club information.

Rat and Mouse Fanciers for Excellence
International Group promoting rats and mice as pets, responsible breeding, and rescue. Includes news, free fliers, membership information, a show standards.

Rat Association of Texas
Includes calendar of events, membership form, and show information.