| NY4WHALES | NY |
| NRDC | DC |
| Northwest Center for Alternatives to Pesticides | OR |
| Northern Virginia Bird Alliance | VA |
| Northern Jaguar Project | AZ |
| Northern Flint Hills Audubon Society | KS |
| Northern California Council, Fly Fishers International | CA |
| Northern Alaska Environmental Center | AK |
| Northeast Pennsylvania Audubon Society | PA |
| North Coast Environmental Center | CA |
| North Central Washington Audubon Society | WA |
| North Cascades Conservation Council | WA |
| New York Turtle and Tortoise Society | NY |
| New York State Wildlife Rehabilitation Council | NY |
| New Jersey Environmental Lobby | NJ |
| New Jersey Audubon Society | NJ |
| New England Wildflower Society | MA |
| Nevada Wildlife Federation | NV |
| Neshaminy Creek Watershed Association | PA |
| NC Youth for Clear Skies and Seas | NC |
| Nature Abounds | PA |
| Natural Resources College, UW SP | WI |
| Natural Areas Association | PA |
| Native Plant Society of Oregon | OR |
| Native Plant Society of Oregon | OR |
