Masterson Family Foundation

Zimmerman Family Foundation

Casper, WY

The Zimmerman Family Foundation supports charitable organizations in areas including education, family services, housing, recovery, counseling, homelessness, and Christian ministry, primarily in Wyoming. In 2025, grants ranged from $1,000 to $700,000, with a median of $10,000. It funds only preselected organizations and does not accept unsolicited requests.

Natrona Collective Health Trust

Casper, WY

The Natrona Collective Health Trust funds health and well-being services benefiting Natrona County residents, with priorities including early childhood development, preventing adverse childhood experiences, mental and behavioral health, and health-supporting advocacy. Its 2026 general operating grants could provide up to $80,000 per year for two years; it accepts applications through scheduled online grant cycles.

Double 4 Foundation

Casper, WY

The Double 4 Foundation supports religious, charitable, scientific, literary, and educational purposes, including eligible 501(c)(3) organizations, with most 2025 grant dollars going to Wyoming recipients. Its 2025 grants ranged from $500 to $589,100, with a median of $5,000. It accepts written applications with information showing eligibility; no deadline is listed.

United Way of Natrona County

Casper, WY

United Way of Natrona County funds local human-service nonprofits addressing basic needs, health and wellness, youth development, and health, education, and financial stability in Natrona, Converse, and Campbell Counties, Wyoming. In 2024, its 36 grants ranged from $5,663 to $41,400, with a median of $14,777. It accepts applications through county grant processes, with Natrona County applications accepted in December.

The Goodstein Foundation

Casper, WY

The Goodstein Foundation supports general operating needs across community services, including youth programs, hospice, recovery, emergency assistance, and meals for older adults. Its 2025 grants ranged from $1,000 to $60,000, with a median of $5,000, and 93% of grant dollars went to Wyoming recipients, with smaller shares in Colorado and California. It accepts written requests that clearly outline the request; no deadline is listed.

Tate Foundation

Casper, WY

The Tate Foundation supported Wyoming organizations in 2025 across areas including counseling, food assistance, education, media, and community services. Its 20 grants ranged from $5,000 to $165,000, with a median of $8,750. Its 2023 filing lists a grant application form and says it does not limit giving to preselected organizations; no deadline is stated.

Wold Foundation

Casper, WY

The Wold Foundation funds education, youth and human services, health care, cultural and historic activities, science, conservation, and outdoor recreation, with a preference for Wyoming citizens and youth; it also funds organizations elsewhere in the continental U.S. Its 2024 grants ranged from $50 to $500,000, with a median of $5,000. It accepts online applications from eligible 501(c)(3) organizations for spring and fall grant cycles.

TW Foundation

Casper, WY

The McMurry Foundation

Wilmington, DE

The McMurry Foundation funds education, religion, arts and humanities, children’s programs, community and economic development, and health and human services, primarily for 501(c)(3) nonprofits in Natrona County, Wyoming. Its 2024 grants had a median of $10,000, though awards ranged from $150 to $9,011,000. Organizations start with an eligibility quiz and online letter of inquiry; a full application is by invitation.

Hughes Charitable Foundation

Jackson, WY

The foundation supports organizations addressing basic needs and community wellbeing, including food insecurity, housing and homelessness, domestic violence, health, and services for children, veterans, and people with disabilities. Its 2025 grants ranged from $2,500 to $1 million, with a median of $22,500; giving was primarily in Wyoming, with some support in Hawaii. Applications are by invitation only, and it does not accept unsolicited requests.

Wyoming Community Foundation

Laramie, WY

Wyoming Community Foundation funds Wyoming nonprofits and charitable projects in areas including arts and culture, health and human services, education, conservation, and community building. Its 2024 grants ranged from $1,000 to $2.5 million, with a median of about $10,700; it makes grants in every Wyoming county. It accepts applications through competitive grant cycles, typically twice a year.

The John P Ellbogen Foundation

Laramie, WY

The John P. Ellbogen Foundation supports education—especially teacher quality and K–12 and post-secondary learning—as well as basic needs, family well-being, science, and community initiatives benefiting Wyoming residents, prioritizing statewide or large-region work. Its 2024 grants ranged from $1,000 to $335,000, with a median of $15,000. It states that it does not accept unsolicited requests; organizations may submit an LOI, and full proposals require an invitation.