Knoxville Feral Cat Friends
- Volunteer group working to feed, water, and humanely trap, neuter, and return feral cats in the area. Information about meetings, fundraising activities, adoptions, and other topics.
- http://www.knoxvilleferalcatfriends.org/

The Purr Factory
- Includes adoption form, photos of available cats, articles on cat care, and ways to help. Based in Nashville.
- http://members.petfinder.com/~TN34/

Colonies
- Dedicated to relieving the suffering of feral, abandoned, and homeless cats. Includes volunteer needs, wish list, pictures of cats in need of homes, and an explanation of the adoption process. Based in Nashville.
- http://www.petfinder.com/shelters/TN138.html

Cats Are Totally Special
- Contact information, volunteer needs, photographs of cats in need of homes, and information on their feral cat program. Located in Chattanooga.
- http://www.petfinder.com/shelters/TN157.html

Purrever Ranch
- A sanctuary exclusively for senior cats that rescues geriatric cats at Memphis area shelters that may be at risk of being euthanized. Includes ways to help and an online store.
- http://www.gotcats.org/

House of Mews
- A non-profit, volunteer run, feline rescue agency. Offers photos of cats available for adoption, newsletter, volunteer information, and gift shop. Memphis, Tennessee.
- http://www.houseofmews.com/