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/RMCASW - Rat Association of Texas. Rat and Mouse Club of America Southwest Chapter. Includes calendar of events, membership form, and show information.

Utah Rodent Appreciation Group - Include club profile, with information about joining, events, and breeders.