Aspen Center for Environmental Studies Endowment Fund

Hoshino Foundation

Chicago, IL

The Maurice B Tobin Family Foundation

Naples, FL

Thurston Foundation

Littleton, CO

Teach a Man to Fish Foundation

Irvine, CA

The foundation funds conservation, education, food security, climate justice, health, and related work; in 2024, grants ranged from $5,000 to $8,065,650, with a median of $10,000. Nearly all 2024 grant dollars went to organizations in Wyoming, with 1% going to California. It funds only preselected charities and does not accept unsolicited requests.

Catto Shaw Foundation

Denver, CO

The Catto Shaw Foundation funds initiatives that empower women and preserve the planet through environmental advocacy, social justice, and creativity, with 2024 grants ranging from $10,000 to $278,500 and a median of $87,500. It is based in Denver and primarily funded Colorado organizations in 2024, with grants also going to organizations in several other states and Washington, D.C. It does not accept unsolicited requests and funds preselected organizations only.

BF Foundation

Basalt, CO

BF Foundation supports education, conservation, environmental programs, and Western communities. Its 2024 grants ranged from $5,000 to $40,000, with a median of $20,000, and went to organizations in Arizona, Colorado, Washington, and New Mexico. It funds only preselected charities and does not accept unsolicited requests.

The Hill Family Charitable Foundation

Wilmington, DE

The Hill Family Charitable Foundation supports organizations in education, health and medical research, arts and culture, community services, and conservation. Its 2025 grants ranged from $2,500 to $125,000, with a median of $5,000, and went mostly to Massachusetts, with some support in California and Colorado. It gives only to preselected charitable organizations and does not accept unsolicited funding requests.

The Pergo Foundation

Basalt, CO

The Pergo Foundation supports education, arts, research, animal welfare, emergency relief, and basic-needs services, with most 2025 grant dollars going to Colorado and California. Its 14 grants ranged from $515 to $39,250, with a median of $1,284. Its 2024 filing says it accepts unsolicited requests by letter to Andrew and Denise Goldfarb, with supporting documents.

Elia Philanthropies

Los Angeles, CA

Elia Philanthropies funds health care, food security, humanitarian relief, suicide prevention, and education, with most 2024 grant dollars going to California organizations. Its 2024 grants ranged from $1,000 to $2.25 million, with a median of $17,500. It funds only preselected organizations and does not accept unsolicited requests.

Sidley Family Foundation

Wilmington, DE

The Sidley Family Foundation supports organizations working in areas such as reproductive health, immigrant rights, public policy, hunger relief, environmental education, media, and fire relief. Its 2025 grants ranged from $2,500 to $25,000, with a median of $10,000, and went to organizations in California, the District of Columbia, Minnesota, Colorado, and Kentucky. It does not accept unsolicited requests and funds only preselected organizations.

The Rodel Foundation

Phoenix, AZ

The Rodel Foundation funds education, public leadership, nuclear energy and clean-energy work, emotional health and wellness, and research, primarily through initiatives and selected organizations. Its 2024 grants ranged from $5,000 to $1.39 million, with a median of $25,000; most grant dollars went to Arizona, followed by California and Washington, D.C. It awards grants by invitation to preselected organizations and does not accept unsolicited requests.

The Pergo Foundation

Basalt, CO

The Pergo Foundation’s 2021 grants supported higher education, health, youth, arts and culture, and environmental conservation; recipients were in California, Colorado, Tennessee, and Washington, DC, with no clear geographic focus. It gave about $12,451 per grant on average, though awards ranged from $3,000 to $76,800. Its 2021 filing said requests could be submitted by letter and supporting documents, but those historical instructions may no longer apply; the foundation appears to have stopped grantmaking.