- Norcross Wildlife Foundation, Inc. http://www.norcrosswildlife.org
- Compton Fundation Financia a organizaciones https://www.comptonfoundation.org
- Levinson Foundation http://www.levinsonfoundation.org/
- Migration Bird Conservancy http://www.birdconservancy.org/
- The Charles Steward Mott Foundation http://www.mott.org/
- Mellon Foundation https://mellon.org
- The Jenifer Altman Foundation http://www.jaf.org/
- Conservation, Food and Health Foundation http://cfhfoundation.grantsmanagement08.com
- Ford Foundation https://www.fordfoundation.org
- General Service Foundation http://generalservice.org
- Inter-American Foundation http://www.iaf.gov/home
- International Society of Arboriculture http://www.isa-arbor.com
- Levinson, Max and Anna Foundation http://www.levinsonfoundation.org/?Our_Mission