| Oklahoma City Community Foundation IncOklahoma City | Form 990 | $387,303,991FY2025 |
| Tulsa Community FoundationTulsa | Form 990 | $297,921,611FY2024 |
| Crossseed IncTulsa | Form 990 | $121,856,012FY2024 |
| Communities Foundation of Oklahoma IncOklahoma City | Form 990 | $48,694,890FY2025 |
| United Way of Central OklahomaOklahoma City | Form 990 | $19,427,469FY2024 |
| Saint Francis FoundationTulsa | Form 990 | $5,290,427FY2025 |
| Toby Keith Foundation IncNorman | Form 990 | $5,212,862FY2024 |
| Bartlesville Community FoundationBartlesville | Form 990 | $4,424,983FY2025 |
| Tulsa Jewish Community Council Jewish Federation of TulsaTulsa | Form 990 | $4,111,664FY2024 |
| Emergency Medical Service a TrustOkmulgee | Form 990 | $3,510,223FY2025 |
| Bartlesville Regional United Way IncBartlesville | Form 990 | $2,632,479FY2025 |
| Cherokee Strip Community FoundationEnid | Form 990 | $2,498,667FY2024 |
| Downtown Tulsa Partnership IncTulsa | Form 990 | $2,391,142FY2025 |
| Oklahoma School of Science Mathematics FoundationOklahoma City | Form 990 | $1,970,355FY2024 |
| Owasso Community Resources IncOwasso | Form 990 | $1,878,259FY2024 |
| River Parks FoundationTulsa | Form 990 | $1,713,723FY2025 |
| Saint Simeons Episcopal Home FoundationTulsa | Form 990 | $1,642,148FY2024 |
| Oasis Fresh FoundationSapulpa | Form 990 | $1,600,666FY2024 |
| 4RKIDSEnid | Form 990 | $1,536,091FY2025 |
| United Way of Payne County IncStillwater | Form 990 | $1,382,633FY2025 |
| United Way of Southwest Oklahoma IncLawton | Form 990 | $1,336,219FY2025 |
| Oklahoma City Community College FoundationOklahoma City | Form 990 | $1,196,818FY2025 |
| Jewish Federation of Greater Oklahoma CityOklahoma City | Form 990 | $1,160,402FY2024 |
| United Way of North Central Oklahoma IncPonca City | Form 990 | $1,021,203FY2025 |
| New Day Foundation IncTulsa | Form 990 | $994,751FY2025 |
| Avanzando Juntos CorporationTulsa | Form 990 | $973,174FY2025 |
| B the LightBartlesville | Form 990 | $954,727FY2025 |
| Southwest Intermediary Finance Team IncWeatherford | Form 990 | $905,963FY2024 |
| Retired Senior Volunteer Program of Enid & N Central Oklahoma IncEnid | Form 990 | $870,525FY2024 |
| Woodward Community FoundationWoodward | Form 990 | $864,972FY2024 |
| Advance Rural Education FoundationSeminole | Form 990 | $754,470FY2024 |
| Lake Area United Way IncMuskogee | Form 990 | $698,831FY2025 |
| Tulsa Fiduciary FundTulsa | Form 990 | $676,041FY2024 |
| Teen Recovery Solutions IncOklahoma City | Form 990 | $586,926FY2025 |
| Westview FoundationHollis | Form 990 | $562,845FY2025 |
| Heart of Oklahoma Youth Rodeo AssociationAltus | Form 990 | $556,707FY2025 |
| Yukon Community Support FoundationYukon | Form 990 | $529,093FY2023 |
| Outback Resource Opportunities IncEdmond | Form 990 | $496,523FY2024 |
| Guymon Community Enrichment FoundationGuymon | Form 990 | $445,133FY2024 |
| Bartlesville Public School Foundation IncBartlesville | Form 990 | $428,433FY2025 |
| Talor Gooch Foundation IncNorman | Form 990 | $410,360FY2024 |
| Western Oklahoma Family Care CenterElk City | Form 990 | $374,158FY2024 |
| Tulsa County Medical Society FoundationTulsa | Form 990 | $373,112FY2024 |
| Tulsa Firefighters Benevolence FundTulsa | Form 990 | $359,190FY2024 |
| Broken Arrow Public School Foundation IncBroken Arrow | Form 990 | $346,200FY2026 |
| Scott Carter FoundationTulsa | Form 990 | $343,251FY2024 |
| Global Blood FundOklahoma City | Form 990 | $333,673FY2025 |
| Subramaniam Charitable FoundationTulsa | Form 990 | $332,833FY2024 |
| Met Cares Foundation IncTulsa | Form 990 | $330,724FY2025 |
| Keatons Kindness FoundationEdmond | Form 990 | $309,106FY2024 |