| Organization | Address | State / Province | |
|---|---|---|---|
| Environmental Education Fund | NJ Map It | NJ | |
| Environmental Law Society, University of Michigan | MI Map It | MI | |
| Environmental Law Society, Vermont Law School | VT Map It | VT | |
| Environmental Protection Information Center | CA Map It | CA | |
| Episcopal Diocese of Maryland's Committee on the Environment | MD Map It | MD | |
| Farallones Marine Sanctuary Association | CA Map It | CA | |
| Florida Audubon | FL Map It | FL | |
| Florida Conservation Voters | FL Map It | FL | |
| Fly Fishers International | MT Map It | MT | |
| Forest Carbon Coalition | OR Map It | OR | |
| Foundation for Global Sustainability | TN Map It | TN | |
| Friends of Animals | CT Map It | CT | |
| Friends of Ballona Wetlands | CA Map It | CA | |
| Friends of Blackwater | WV Map It | WV | |
| Friends of Buttonhook Forest Inc | NY Map It | NY | |
| Friends of Merrymeeting Bay | ME Map It | ME | |
| Friends of Nevada Wilderness | NV Map It | NV | |
| Friends of Swainson's Hawk | CA Map It | CA | |
| Friends of the Bay | NY Map It | NY | |
| Friends of the Earth | DC Map It | DC | |
| Friends of the Rivers of Virginia | VA Map It | VA | |
| Friends of the San Juans | WA Map It | WA | |
| Friends of the Sea Otter | CA Map It | CA | |
| Friends of the Wisconsin Wolf & Wildlife | WI Map It | WI | |
| Fyke Nature Association | NJ Map It | NJ | |
| Organization | Address | State / Province |
