| Organization | Address | State / Province | |
|---|---|---|---|
| Wildlife Alliance of Maine | ME Map It | ME | |
| Wildlife for All | NM Map It | NM | |
| Wildlife Rehabilitators Association of Massachusetts | MA Map It | MA | |
| Wildlife Society | MD Map It | MD | |
| Wisconsin Audubon Council | WI Map It | WI | |
| Wissahickon Restoration Volunteers | PA Map It | PA | |
| Wolf Conservation Center | NY Map It | NY | |
| Wolf Education and Research Center | OR Map It | OR | |
| Wolf Haven International | WA Map It | WA | |
| Wolf Hollow | MA Map It | MA | |
| Wolf Recovery Foundation | ID Map It | ID | |
| World Society for the Protection of Animals | MA Map It | MA | |
| World Stewardship Institute | CA Map It | CA | |
| World Wildlife Fund | DC Map It | DC | |
| Wyoming Outdoor Council | WY Map It | WY | |
| Wyoming Untrapped | WY Map It | WY | |
| Wyoming Wildlife Advocates | WY Map It | WY | |
| Xerces Society | OR Map It | OR | |
| Zoo New England | MA Map It | MA | |
| Zoological Association of America | FL Map It | FL | |
| Zoological Society of Philadelphia | PA Map It | PA | |
| Organization | Address | State / Province |
