| Habitat for Humanity International IncStillwater | Form 990 | $1,034,497FY2025 |
| South Central Oklahoma Christian Broadcasting IncAda | Form 990 | $1,022,504FY2024 |
| Edmond Mobile Meals IncEdmond | Form 990 | $987,296FY2024 |
| Association of American Indian Physicians IncOklahoma City | Form 990 | $969,067FY2025 |
| Katheryne B Payne Education CenterOklahoma City | Form 990 | $951,372FY2025 |
| Jordan Evangelical Theological Seminary IncTulsa | Form 990 | $943,608FY2025 |
| Thunderbird Clubhouse Board IncNorman | Form 990 | $934,705FY2025 |
| Aeronautical Center Employees Child Care Center IncOklahoma City | Form 990 | $929,098FY2025 |
| Consolidated Rural Water District 1 Nowata Rogers Counties OklahomaChelsea | None required | $914,652FY2021 |
| Oklahoma Childrens Theatre IncOklahoma City | Form 990 | $890,529FY2025 |
| Jim Thorpe Association IncOklahoma City | Form 990 | $879,156FY2023 |
| The Childrens Hospital Volunteers IncOklahoma City | Form 990 | $873,305FY2024 |
| Preferred Nutrition IncTulsa | Form 990 | $852,998FY2025 |
| Student Work Development Foundation IncNorman | Form 990 | $851,544FY2024 |
| Narconon InternationalCanadian | Form 990 | $819,137FY2024 |
| Oklahoma Railway Museum LimitedOklahoma City | Form 990 | $803,461FY2025 |
| Boy Scouts of AmericaBartlesville | Form 990 | $794,562FY2024 |
| Artsok IncBroken Arrow | Form 990 | $793,477FY2025 |
| Rose Rock Community Nutrition IncGuthrie | Form 990 | $778,479FY2026 |
| Fountain House Group HomeVinita | Form 990 | $761,195FY2025 |
| Enid Public School Foundation IncEnid | Form 990 | $753,733FY2025 |
| Womens Crisis Services of Leflore CountyPoteau | Form 990 | $751,783FY2025 |
| Tri-City Youth & Family Center IncChoctaw | Form 990 | $751,467FY2024 |
| Rogers County Training Center IncVinita | Form 990 | $745,205FY2025 |
| Sand Springs Community Services IncSand Springs | Form 990 | $732,674FY2024 |
| International School of Hydrocarbon Measurement IncNorman | Form 990 | $731,524FY2025 |
| National School Chaplain Association IncNorman | Form 990 | $716,876FY2025 |
| Oklahoma Association of Area Agencies on AgingBurns Flat | Form 990 | $708,800FY2025 |
| Super Summer Oklahoma IncMoore | Form 990 | $702,162FY2024 |
| Pawnee Development Foundation IncPawnee | Form 990 | $695,037FY2025 |
| Gospel Rescue Mission IncMuskogee | Form 990 | $661,879FY2025 |
| C B Goddard Art Center TrustArdmore | Form 990 | $644,774FY2025 |
| Society for Applied AnthropologyOklahoma City | Form 990 | $636,669FY2025 |
| TLC FoundationOklahoma City | Form 990 | $634,086FY2023 |
| Creek Nation Foundation IncTulsa | Form 990 | $624,845FY2025 |
| Bristow Social Services IncBristow | Form 990 | $623,785FY2024 |
| Aid for Individual DevelopmentOklahoma City | Form 990 | $623,029FY2025 |
| Tri County Tech Endowment Fund IncBartlesville | Form 990 | $610,260FY2025 |
| Oklahoma Region Volleyball Association IncEdmond | Form 990 | $598,849FY2025 |
| Center for Creative Living CorporatLawton | Form 990 | $598,692FY2025 |
| International Order of the Rainbow Girls Supreme AssemblyMcAlester | Form 990 | $596,347FY2024 |
| Thayne a Hedges Regional Speech & Hearing Center IncEnid | Form 990 | $595,754FY2025 |
| Boy Scouts of AmericaEnid | Form 990 | $578,270FY2024 |
| Metropolitan Fair Housing Council of Oklahoma IncOklahoma City | Form 990 | $571,298FY2025 |
| Family Career and Community Leaders of America IncOwasso | Form 990 | $564,712FY2025 |
| Paseo Artists Association IncOklahoma City | Form 990 | $545,731FY2025 |
| Edmond Historical SocietyEdmond | Form 990 | $534,742FY2025 |
| State Chamber Research Foundation Oklahoma 21st CenturyOklahoma City | Form 990 | $523,070FY2024 |
| Creation Truth Foundation IncNoble | Form 990 | $519,478FY2024 |
| Great Plains Vo-Tech Foundation IncLawton | Form 990 | $508,640FY2025 |