| Animal Rescue League of Boston | (Boston, MA) |
| Berkshire Humane Society | (Pittsfield, MA) |
| Bosler Humane Society | (Baldwinville, MA) |
| Buddy Dog Humane Society | (Sudbury, MA) |
| International Fund for Animal Welfare (IFAW) | (Yarmouth Port, MA) |
| MSPCA-Angell | (Boston, MA) |
| National Education for Assistance Dog Services | (West Boylston, MA) |
| New England Anti-Vivisection Society | (Boston, MA) |
| New England Wildlife Center | (South Weymouth, MA) |
| Northeast Animal Shelter | (Salem, MA) |
| Ocean Alliance | (Lincoln, MA) |
| World Society for the Protection of Animals | (Boston, MA) |
| Zoo New England | (Boston, MA) |
