The Leaf Collectors Foundation GMBH

TTCU Cares Foundation Inc

Tulsa, OK

The Oliver Dewey Mayor Foundation

Tulsa, OK

The Oliver Dewey Mayor Foundation supports charitable, educational, scientific, literary, and community programs, including youth, medical, leadership, and cultural activities, in Mayes County, Oklahoma, and Grayson County, Texas; it may also fund organizations whose work substantially benefits residents there. In 2025, grants ranged from $1,000 to $85,000, with a median of $10,000. It accepts written applications and says grants are not limited to preselected organizations.

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.

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.

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.

The Anne and Henry Zarrow Foundation

Tulsa, OK

The foundation supports nonprofits addressing poverty through housing, shelter, basic needs, social services, health and mental healthcare, and community empowerment, along with education, Jewish life, culture, and racial-justice initiatives. It funds primarily in metropolitan Tulsa, with additional support across Oklahoma and in Israel; 2024 grants ranged from $200 to $2.2 million, with a median of about $24,000. It accepts unsolicited requests: eligible nonprofits can email an initial inquiry.