| Business | Phone |
| Flagstaff Activist Network 316 E Birch Ave, Flagstaff 86001 | (928) 213-9507 |
| Grand Canyon River Guides 515 W Birch Ave, Flagstaff 86001 | (928) 773-1075 |
| Grand Canyon Trust 2601 N Fort Valley Rd, Flagstaff 86001 | (928) 774-7488 |
| Grand Canyon Wildlands Council 316 E Birch Ave, Flagstaff 86001 | (928) 556-9306 |
| Nature Conservancy 114 N San Francisco St # 205, Flagstaff 86001 | (928) 774-8892 |
| Sierra Club Education 408 E Route 66, Flagstaff 86001 | (928) 774-6103 |
| Willow Bend Environmental Center 703 E Sawmill Rd, Flagstaff 86001 | (928) 779-1745 |