Glacier National Park Conservancy

Longview Foundation

Milwaukee, WI

Longview Foundation funds U.S. K–12 education and teacher-preparation efforts that build global understanding, including teacher development, global-ready career pathways, and broader state or district initiatives. Most grants are typically $10,000–$20,000, with a current teacher-preparation program offering $10,000–$22,000 awards; the foundation says it does not accept unsolicited funding requests, though eligible organizations may submit an inquiry through its stated process.

McDowell Foundation

Minneapolis, MN

The McDowell Foundation supports charitable organizations across conservation, health, arts, and education, with 2024 grants ranging from $500 to $10,000 and a median of $1,000. Its grants went mainly to organizations in Wyoming, Montana, Texas, Florida, and California. It funds only preselected organizations and does not accept unsolicited requests.

Connors Foundation

Vineland, NJ

Greater Yellowstone Coalition

Bozeman, MT

Greater yellowstone coalition works with all people to protect the lands, waters, and wildlife of the greater yellowstone ecosystem, now and for future generations.

The Applied Materials Foundation

Santa Clara, CA

Norwell Fund

Big Timber, MT

Norwell Fund supports a varied range of charitable organizations, including community, conservation, arts, senior services, education, and advocacy groups. In 2024, it made 36 grants totaling $97,485, ranging from $500 to $12,000 (median $1,000); most funding went to Montana, with grants also reaching organizations in other states. The fund does not accept unsolicited requests.

American Trails

Redding, CA

American Trails funds trail maintenance, stewardship training, research, and related planning and design projects, typically awarding $5,000–$10,000 through its Trails Capacity Program. It supports projects on public or private land across the United States and Puerto Rico; it accepts applications through an online process when the application window is open.

James & Wanda Hollensteiner Foundation

Rollins, MT

This Nashville-based private foundation, established in 1997, supports education (with particular emphasis on STEM), human services, and philanthropy initiatives across Montana, Tennessee, and Illinois. Typical grants range from $50 to $20,000, with recent annual giving around $127,000. The foundation does not currently have active grant opportunities listed, so prospective applicants should contact them directly to inquire about funding possibilities.

One Valley Community Foundation

Bozeman, MT

One Valley Community Foundation is a community foundation serving Gallatin County and Southwest Montana, with a mission to connect donors with local causes and ensure all can thrive in the region. The foundation distributes grants through multiple mechanisms, including its signature Give Big Gallatin Valley annual giving day (which raised nearly $3 million in 2025), direct grantmaking, and youth-directed giving projects, with recent grants ranging from $15,000 to over $1 million. Operating with $22.3 million in assets and $1.47 million in annual giving, the foundation also provides nonprofit capacity building and professional development to strengthen the local philanthropic sector.

The High Stakes Foundation

Missoula, MT

This Montana-based foundation supports visionary organizations and leaders working toward a sustainable future across the state, with particular focus on rural communities facing economic and social challenges. The foundation awards grants ranging from $160 to $100,000, with recent typical grants around $60,000 for general support, and has distributed over $15 million since 2007 across funding areas including climate change, conservation, economic development, local food systems, and social justice. Grant seekers should submit Letters of Intent during designated cycles (the fall 2026 cycle runs August 1–September 1) for consideration.

World Wildlife Fund Inc

Washington, DC

World Wildlife Fund Inc. is a leading global conservation organization working in 100 countries to protect forests, oceans, wildlife, and ecosystems while promoting sustainable food systems and climate solutions. The organization provides grants ranging from approximately $5,000 to over $17 million, with recent funding directed toward community-based conservation leadership, habitat restoration, and environmental initiatives. WWF's primary U.S. funding focus includes Montana, California, and the District of Columbia, though the organization's reach extends globally across diverse ecosystems from rainforests to coral reefs.

United States Endowment for Forestry

Greenville, SC

This national grantmaker advances the health of America's working forests and forest-reliant communities through systemic, transformative change, with typical grants ranging from $7,000 to $584,000. The Endowment prioritizes retaining healthy forests, developing market-based value streams for forest products, and building community capacity, with geographic focus on California, Oregon, and rural communities in the South. With over $300 million in assets and annual giving around $20 million, the organization partners across public and private sectors to address forest conservation and economic sustainability.