Chester Edwin Nash and Mary Nash Charitable Foundation

The Ross Charitable Foundation

Tulsa, OK

The Ross Charitable Foundation supports a range of Oklahoma organizations, including schools and educational groups, churches, and community organizations; its 2024 grants ranged from $2,000 to $20,000, with a median of $3,500. It accepts written applications in any form, with a brief description of the organization and funding need plus proof of charitable, tax-exempt status.

Seaboard Foundation

Merriam, KS

Seaboard Foundation funds education, food security, animal welfare, health, nutrition, sustainable agriculture, and local community programs in areas where Seaboard operates, with recent giving concentrated in Missouri, Oklahoma, and Kansas. In 2025, grants ranged from $25 to $135,000, with a median of $1,000. It states that it does not accept unsolicited requests and considers applications only from preselected charitable organizations.

The Samuel Roberts Noble Foundation

Ardmore, OK

The foundation primarily supports agricultural research through Noble Research Institute and also funds charitable work in health, education, and community strength, with most grant dollars going to Oklahoma and some to other states. Its 2024 grants ranged from $150 to $36.5 million, with a median of $5,000; the profile does not state whether it accepts unsolicited organizational requests.

Tulsa Community Foundation

Tulsa, OK

Tulsa Community Foundation supports a broad range of charitable needs, including arts and humanities, healthcare, education, scholarships, emergency assistance, and endowments. Its 2024 grants had a median of $18,560 and primarily benefited the Tulsa area and eastern Oklahoma, with grants also reaching elsewhere in the U.S.; it administers application cycles for selected funds.

Enterprise Holdings Foundation

Saint Louis, MO

Enterprise Holdings Foundation supports nonprofits in health, education, arts, disaster relief, reforestation, hunger relief, and community equity, with an emphasis on organizations actively supported by Enterprise employees and their families. Its reported grants range widely: 2024 giving averaged about $7,700 across 9,499 grants, while the foundation also offers awards of up to $40,000; it supports communities where Enterprise operates worldwide. Unsolicited requests are accepted at any time, but eligible applications must be submitted by an Enterprise team member or their spouse or domestic partner on behalf of a nonprofit they actively support.

Delta Dental of Oklahoma Foundation

Oklahoma City, OK

The Delta Dental of Oklahoma Foundation funds dental care access, oral health education, professional education, and related research and initiatives that serve Oklahomans. Its 2024 grants ranged from $10,000 to $463,905, with a median of $60,000. Applicants submit requests through its online grant system; the profile does not state whether unsolicited requests are accepted.

IBM International Foundation

Armonk, NY

The IBM International Foundation funds education and workforce programs that build 21st-century and technology job skills, including initiatives for underserved students and job seekers. Its 2024 grants ranged from $10,000 to $8.48 million, with a median of $100,000, and went to organizations across several U.S. states, especially Delaware and Massachusetts. It funds only preselected organizations and does not accept unsolicited requests.

The Denver Foundation

Denver, CO

The Denver Foundation supports community organizations working on economic opportunity, climate and environment, housing, youth well-being, and related charitable work, with racial equity guiding its grantmaking. Its Community Grants typically award $20,000–$50,000 to organizations serving the seven-county Metro Denver region; other funds have different award levels and may support work beyond the region.

Baughman Foundation

Liberal, KS

The Baughman Foundation supports education and scholarships, recreation, public media, food security, and other community programs, primarily in Kansas, with some giving in nearby states. Its website suggests grants of $1,000–$3,000, though 2024 awards ranged from $850 to $277,500, with a median of $17,500. It does not accept unsolicited requests; applications must be sponsored by a family member.

Rainwater Charitable Foundation

Fort Worth, TX

The Rainwater Charitable Foundation funds education and family economic security in North Texas, tauopathy research, and selected initiatives in East Africa. Its 2024 grants had a median of $50,000, though awards varied widely; it funds preselected organizations and does not accept unsolicited requests, with new family economic security inquiries currently paused.

Cherokee Strip Community Foundation

Enid, OK

Cherokee Strip Community Foundation funds nonprofit projects in education, community well-being, and organizational capacity, including housing, childcare, health, and workforce initiatives. Its regular competitive grants are typically $1,000–$10,000, with program-specific awards up to $15,000 or $50,000, for communities across Northwest Oklahoma; it also has a dedicated program for Cimarron and Texas Counties.

Ima Foundation

Wichita, KS