Alliance for Animals
- Nonprofit humane organization dedicated to solving the problems of pet overpopulation. Runs a no-kill cat shelter, a low-cost spay/neuter clinic and outreach programs in the Boston area.
- http://www.afa.arlington.ma.us/

The Animal Rescue League of Boston
- Committed to the rescue and relief of homeless animals and other charitable or benevolent acts for the welfare of animals. Includes newsletter and pet care and adoption information.
- http://www.arlboston.org/