Amos W Butler Audubon Society

Carroll Petrie Foundation

Santa Fe, NM

The Carroll Petrie Foundation funds animal welfare and humane treatment, wildlife protection, habitat conservation, and related environmental work, with a focus on New Mexico and the Southwest. Its 2024 grants ranged from $2,000 to $3,862,500, with a median of $50,000. It funds preselected organizations by invitation only and does not accept unsolicited requests.

Leathers Family Foundation

Ross, CA

The Leathers Family Foundation supports cultural, educational, religious, musical, recreation, medical, and public safety organizations, primarily in California, with some funding in Washington. In 2025, it made 10 grants ranging from $500 to $20,000, with a median of $3,750. It funds only preselected organizations and does not accept unsolicited requests.

Seebe Frances Tuw

Saint Louis, MO

SEEBE FRANCES TUW funds charitable organizations working in health, wildlife conservation, habitat restoration, and animal welfare, with 2026 grants ranging from $4,000 to $27,000 and a median of $7,000. It supports organizations in multiple states, with the largest shares going to Georgia and California. The foundation funds only preselected organizations and does not accept unsolicited requests.

Ivorybill Foundation Inc

Pittsford, NY

IVORYBILL FOUNDATION INC supports organizations working in conservation, civil liberties, health care, food access, education, and other areas, with grants concentrated in Washington, DC, Maine, California, Texas, and Maryland. Its 2024 grants ranged from $211 to $75,000, with a median of $10,000. It funds only preselected charitable organizations and does not accept unsolicited requests.

Pan-Oyler Foundation

Pittsburgh, PA

The Pan-Oyler Foundation supports charitable organizations in areas including education, hunger relief, health, food assistance, conservation, and veterans’ services. In 2025, grants ranged from $500 to $787,421, with a median of $6,500; most funding went to California, with smaller amounts reaching recipients in several other states and Washington, DC. It funds only preselected organizations and does not accept unsolicited requests.

The Rhe Charitable Foundation

San Rafael, CA

The RHE Charitable Foundation funds edgy arts, human resilience services, and environmental work, with a focus on Bay Area audiences and Northern California; its 2024 grants ranged from $100 to $50,000, with a median of $8,000. It does not accept unsolicited requests and gives only to preselected charitable organizations.

The Rouse Family Foundation Inc

Upperco, MD

The Rouse Family Foundation supports tax-exempt organizations working in healthcare, education, clean water, food, conservation, climate action, and humanitarian services, with an emphasis on improving quality of life in underserved communities. In 2025, grants ranged from $500 to $37,000, with a median of $4,500; most funding went to Maryland, with awards also made elsewhere in the United States and beyond. It funds only preselected organizations and does not accept unsolicited requests.

Nisbet Family Foundation

North Falmouth, MA

Environment Now

Newport Beach, CA

Environment Now supports effective programs protecting and restoring California’s waters and forests, including work on water, forests, climate, and environmental rights. In 2024, grants ranged from $500 to $175,000, with a median of $20,000; its work focuses on California, though it also funded organizations in other states. It funds only preselected organizations and does not accept unsolicited requests.

Winn Foundation Trust

Waldo, FL

The Volgenau Foundation

McLean, VA

The Volgenau Foundation funds conservation and wildlife protection, education for under-resourced communities, and classical music, with 2024 grants ranging from $25,000 to $4.15 million and a median grant of $112,500. It is based in Virginia, with recent grants concentrated in Virginia, Washington, D.C., California, and Montana, though it also funds elsewhere. It gives only to preselected organizations and does not accept unsolicited requests.

Lilly Endowment Inc

Indianapolis, IN

Lilly Endowment funds community development, education and youth, and religion, with priority given to Indianapolis and Indiana and some national support, especially for religion. Its 2025 grants had a median of $100,000, though awards varied widely; for community development requests, it suggests starting with a brief preliminary letter.