International School of Hydrocarbon Measurement Inc

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.

Charles Russell Wellons Foundation

Durham, NC

The Charles Russell Wellons Foundation funds religious and ministry-related work, education, and scholarships, with most 2024 grant dollars going to North Carolina organizations and additional support in nearby states. Grants ranged from $200 to $76,765, with a median of $3,100. It does not limit giving to preselected organizations; applicants should contact Charlene Hamlett for forms and materials.

MSU-Bass Mem

Birmingham, AL

Oyster South Company

Decatur, GA

The mission of oyster south is to support successful oyster farms, healthy waters and the birth of new traditions through education within the industry and within the general public.

Aerojet Rocketdyne Foundation

Melbourne, FL

Southeastern Universities Research

Washington, DC

Sura's mission is to advance collaborative research and education and to strengthen the scientific capabilities of its members and our nation.

Henry O Schaefer Family Foundation

Roanoke, VA

The Henry O Schaefer Family Foundation supports preselected charities across areas including recovery, emergency medical care, food, arts, education, and conservation, with most grants providing unrestricted support. Its 2025 grants ranged from $500 to $5,000, typically $1,000, and were concentrated in Vermont and Virginia. It does not accept unsolicited requests.

Vyuha Inc

Miami Beach, FL

VYUHA INC supports a broad range of charitable work, including arts and culture, wildlife conservation, humanitarian aid, and health services, with grants across multiple states. Its 2025 grants ranged from $2,500 to $50,000, with a median of $15,000. It does not require an application form for consideration; eligible applicants must be public charities under IRC Sections 509(a)(1) or 509(a)(2).

The Giddens Foundation

Edmond, OK

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 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.

Oklahoma City Community Foundation Inc

Oklahoma City, OK

The Oklahoma City Community Foundation funds local nonprofits in areas including health care access, children’s opportunities, culture and community, services for older adults, parks and public spaces, and animal welfare. Its 2025 grants had a median award of $18,251, though amounts varied widely; Community Grants focus on Central Oklahoma. The profile does not state whether it accepts unsolicited requests.