Barry W Lowe and Karen Sue Lowe

Lyon Foundation

Bartlesville, OK

The Lyon Foundation funds charitable, religious, educational, and scientific organizations and activities, with a preference for the Bartlesville area; its 2025 grants all went to Oklahoma recipients. Grants ranged from $2,000 to $605,000, with a median of $15,500. It does not limit giving to preselected organizations, but the profile does not explicitly state whether it accepts unsolicited requests.

K S Adams Foundation Co-Trust

Dewey, OK

The K S Adams Foundation Co-Trust supports a range of organizations, with most of its giving in Oklahoma and Kansas and some in Montana; its grants are typically modest, with a 2025 median of $3,000 and awards ranging from $500 to $50,000. It accepts applications by letter, including the organization’s tax-exempt status, and lists no deadline or award restrictions.

Arvest Foundation

Bentonville, AR

Arvest Foundation funds economic development, community programs, arts, nonprofit capacity, scholarships, and construction projects, primarily in Arkansas, Oklahoma, and Missouri. In 2024, grants ranged from $1,000 to $75,000, with a median of $5,000. It gives only to preselected charitable organizations and does not accept unsolicited requests.

McAnaw Family Foundation

Bartlesville, OK

Kenneth G and Diana Moon Adams

Bartlesville, OK

The foundation supports a varied group of charitable organizations, including educational, religious, counseling, and community organizations. Its 2024 grants ranged from $1,000 to $75,000, with a median of $2,000, and went mainly to organizations in North Carolina and Oklahoma, as well as other states. It does not accept unsolicited requests and gives only to preselected organizations.

Tulsa Community Foundation

Tulsa, OK

Tulsa Community Foundation supports charitable causes through donor-advised grants and selected funds, including scholarships, emergency assistance, disaster relief, arts and humanities, healthcare, and financial literacy, primarily in the Tulsa metro area and eastern Oklahoma, with some giving elsewhere in the United States. Its 2024 median grant was $18,560; selected field-of-interest funds have application cycles, but the profile does not state whether it accepts unsolicited requests generally.

Jeanalee and Charles Parsons Foundation

Bartlesville, OK

The Jeanalee and Charles Parsons Foundation supports Oklahoma organizations, with recent grants for education, youth, human services, community facilities, and equipment or property needs, particularly in the Bartlesville area. Its 2025 grants ranged from $5,000 to $142,860, with a median of $46,328. It accepts application letters with required supporting information; no deadline is stated.

Corbet Family Foundation

New Canaan, CT

The Corbet Family Foundation supports churches, community organizations, and other charitable causes, primarily in Connecticut, with a small share of giving in New York. In 2025, it awarded 23 grants ranging from $100 to $200,500, with a median grant of $1,000. It gives only to preselected organizations and does not accept unsolicited requests.

Yot Full Circle Foundation

Tulsa, OK

The Tulsa-based YOT Full Circle Foundation supports Christian education and ministry, scholarships, human services, disaster relief, and conservation, with much of its giving going to organizations in Ohio and Oklahoma. In 2025, grants ranged from $2,000 to $500,000, with a median of $10,000. It gives only to preselected charities and does not accept unsolicited requests.

Fragale Family Foundation UA

Sewickley, PA

Folds of Honor Foundation

Owasso, OK

Folds of Honor funds education scholarships for spouses and children of U.S. military service members and first responders killed or disabled in service, with awards available for K–12 and higher education in the United States and its territories. Awards are up to $5,000 per academic year, based on unmet need, and are paid directly to the school. It accepts scholarship applications through an online portal during its annual application window; it does not make grants to outside applicants.

Oklahoma City Community Foundation Inc

Oklahoma City, OK

The Oklahoma City Community Foundation funds community programs in children’s opportunities, health care, culture and community, older adults, parks and public space, and animal welfare, primarily in Oklahoma City and Central Oklahoma. In 2025, its grants had a median of $18,251; published ranges include up to $40,000 for Opportunities for Children and $30,000 for Culture & Community. Its website lists some programs as open, but the profile does not state whether it accepts unsolicited requests.