| Oklahoma State University FoundationStillwater | Form 990 | $272,852,964FY2025 |
| Folds of Honor FoundationOwasso | Form 990 | $75,913,260FY2025 |
| Northeastern State University Foundation IncTahlequah | Form 990 | $23,732,321FY2025 |
| Oklahoma Partnership for School Readiness Foundation IncOklahoma City | Form 990 | $16,983,038FY2025 |
| Osteopathic Medical Education Consortium of Oklahoma IncTulsa | Form 990 | $16,321,336FY2025 |
| Oklahoma Connections Academy IncBartlesville | Form 990 | $13,319,088FY2025 |
| Oklahoma Public School Resource Center IncOklahoma City | Form 990 | $12,964,558FY2025 |
| Southeast Oklahoma Library SystemMcAlester | Form 990 | $10,230,375FY2025 |
| Tulsa Library TrustTulsa | Form 990 | $6,677,443FY2025 |
| Northwestern Oklahoma State University Foundation IncAlva | Form 990 | $6,504,590FY2025 |
| Oklahoma State University Alumni AssociationStillwater | Form 990 | $5,394,615FY2025 |
| Oklahoma State School Boards Association IncOklahoma City | Form 990 | $5,336,239FY2025 |
| Opportunity Scholarship FundTulsa | Form 990 | $5,253,796FY2023 |
| Rainbow Fleet IncOklahoma City | Form 990 | $5,124,477FY2025 |
| Fuel Okc IncOklahoma City | Form 990 | $5,080,473FY2025 |
| Impacttulsa IncTulsa | Form 990 | $4,744,539FY2025 |
| American Indian Resource Center IncTahlequah | Form 990 | $4,696,981FY2025 |
| Tulsa Community College FoundationTulsa | Form 990 | $4,198,894FY2025 |
| Murray State College Foundation IncTishomingo | Form 990 | $3,633,810FY2025 |
| Panhandle State FoundationGoodwell | Form 990 | $3,512,173FY2025 |
| Seminole State College Educational Foundation IncSeminole | Form 990 | $3,504,315FY2024 |
| Oklahoma City Public Schools Foundation IncOklahoma City | Form 990 | $3,405,697FY2024 |
| In His Image International IncTulsa | Form 990 | $3,344,273FY2024 |
| University of Science & Arts of Oklahoma Foundation IncChickasha | Form 990 | $3,054,580FY2025 |
| Go for Great Schools IncTulsa | Form 990 | $2,947,620FY2024 |
| Consortium of State School Boards AssociationsNorman | Form 990 | $2,861,896FY2025 |
| Association of Tribal Archives Libraries and MuseumsEdmond | Form 990 | $2,624,180FY2025 |
| Foundation for Tulsa SchoolsTulsa | Form 990 | $2,369,513FY2025 |
| Oklahoma State University Research Foundation IncStillwater | Form 990 | $2,336,897FY2024 |
| Sprouts Child Development Initiative IncTulsa | Form 990 | $2,327,995FY2024 |
| Folds of Honor FoundationEdmond | Form 990 | $2,314,845FY2025 |
| Native American Coalition of Tulsa IncTulsa | Form 990 | $2,047,169FY2025 |
| Islands Hana Mana IncTulsa | Form 990 | $2,029,003FY2024 |
| Third Space FoundationOklahoma City | Form 990 | $1,943,834FY2024 |
| Union Schools Education Foundation IncTulsa | Form 990 | $1,782,491FY2025 |
| Parent Booster USA IncBroken Arrow | Form 990 | $1,640,905FY2025 |
| Tulsa Regional STEM Alliance IncTulsa | Form 990 | $1,607,676FY2024 |
| Engineers in ActionTulsa | Form 990 | $1,579,965FY2024 |
| Safe Haven Child Development Center IncClaremore | Form 990 | $1,564,640FY2024 |
| Northeast Workforce Development Board IncCatoosa | Form 990 | $1,563,529FY2024 |
| Oklahoma Public School Resource Center Eigo IncOklahoma City | Form 990 | $1,546,133FY2025 |
| Oklahoma Educational Memorial Trust FoundationTulsa | Form 990 | $1,545,772FY2025 |
| Americans for Fair Treatment IncOklahoma City | Form 990 | $1,531,371FY2025 |
| Eastern Oklahoma State College Development Foundation IncWilburton | Form 990 | $1,510,110FY2025 |
| Ministries of Jesus Clinics IncEdmond | Form 990 | $1,471,351FY2025 |
| Great Expectations FoundationTahlequah | Form 990 | $1,447,747FY2025 |
| Kiss Institute for Practical RoboticsNorman | Form 990 | $1,380,456FY2025 |
| Global Israel AllianceBixby | Form 990 | $1,349,529FY2024 |
| Crossover Scholarship Fund IncTulsa | Form 990 | $1,178,495FY2024 |
| Engage Learning Oklahoma IncorporatedOklahoma City | Form 990 | $1,121,473FY2024 |