| Front Range Community College | Academic Institution |
| Fort Lewis College | Academic Institution |
| Forest Stewards Guild | Non-Profit Organization |
| Florida International University | Academic Institution |
| Florida Institute of Technology | Academic Institution |
| Florida Gulf Coast University | Academic Institution |
| Florida Atlantic University | Academic Institution |
| Florida Agriculture and Mechanical University | Academic Institution |
| Flagler College | Academic Institution |
| Farm Service Agency | Federal |
| Fairchild Tropical Botanic Center | Non-Profit Organization |
| Everglades Foundation | Non-Profit Organization |
| Emporia State University | Academic Institution |
| Embry-Riddle Aeronautical University | Academic Institution |
| Edith Kanaka'ole Foundation | Non-Profit Organization |
| Eastern Washington University | Academic Institution |
| Eastern New Mexico University | Academic Institution |
| East Carolina University | Academic Institution |
| Earth Economics | Non-Profit Organization |
| Duke University | Academic Institution |
| Dine College | Academic Institution |
| Dickinson College | Academic Institution |
| Desert Research Institute | Non-Profit Organization |
| Desert Botanical Garden | Non-Profit Organization |
| Department of War - Installations and Environment | Federal |
