| Business | Phone |
| Audubon Society Of Marin Mill Valley 94941 | (415) 383-1770 |
| Global Forest 58 Locust Ave, Mill Valley 94941 | (415) 380-5038 |
| Health & Habitat 76 Lee St, Mill Valley 94941 | (415) 383-6130 |
| Tamalpais Conservation Club 238 E Blithedale Ave # 211, Mill Valley 94941 | (415) 389-9914 |
| Terwilliger Nature Legacy 1 Sunrise Ave, Mill Valley 94941 | (415) 388-3587 |
| Transdef Mill Valley 94941 | (415) 380-8600 |