| Tau Beta Sigma National Honorary Band SororityStillwater | Form 990 | $506,205FY2024 |
| Ora Education FoundationOklahoma City | Form 990 | $497,365FY2024 |
| International Trombone AssociationNorman | Form 990 | $486,618FY2025 |
| The Oklahoma Foundation for Career and Technology Education IncStillwater | Form 990 | $485,141FY2025 |
| OnabenTulsa | Form 990 | $483,281FY2025 |
| Mounds Senior Citizens IncorporatedMounds | Form 990 | $481,706FY2025 |
| Art 4ORMS FoundationTulsa | Form 990 | $461,995FY2024 |
| The National Organization to End Pet Overpopulation IncLawton | Form 990 | $461,107FY2025 |
| Jenks Sports IncJenks | Form 990 | $460,380FY2025 |
| Living Arts of Tulsa IncorporatedTulsa | Form 990 | $454,517FY2025 |
| Visionaries IncorporatedOklahoma City | Form 990 | $443,290FY2025 |
| Resurrection House AssociationChickasha | Form 990 | $441,551FY2025 |
| United Way of Eastern Frontier Country IncShawnee | Form 990 | $425,605FY2025 |
| Patriots of Freedom Foundation IncBixby | Form 990 | $423,825FY2023 |
| Family Career and Community Leaders of America IncStillwater | Form 990 | $422,834FY2025 |
| Thunder Fellows FoundationOklahoma City | Form 990 | $421,540FY2024 |
| Boy Scouts of AmericaDewey | Form 990 | $421,531FY2025 |
| The Freedom Center of Okc LLCOklahoma City | Form 990 | $416,567FY2024 |
| Pettijohn Springs Christian CampMadill | Form 990 | $411,879FY2024 |
| Murrow Indian Childrens HomeMuskogee | Form 990 | $409,481FY2025 |
| Living Improvement for the Elderly CenterStillwater | Form 990 | $405,902FY2026 |
| Western Trail Historical Society IncAltus | Form 990 | $399,204FY2025 |
| Fostering Futures IncNorman | Form 990 | $398,684FY2024 |
| Millwood School District Enrichment FoundationOklahoma City | Form 990 | $393,887FY2025 |
| Bethesda Boys Ranch IncMounds | Form 990 | $384,919FY2024 |
| Vine Life Ministries IncOklahoma City | Form 990 | $384,046FY2025 |
| Dentists Donating Smiles to Oklahomans IncOklahoma City | Form 990 | $378,128FY2025 |
| Kay County Council for the Opportunity Center IncPonca City | Form 990 | $371,925FY2024 |
| Operation Aware of Oklahoma IncTulsa | Form 990 | $371,660FY2025 |
| Seminole Nation Historical SocietyWewoka | Form 990 | $371,358FY2024 |
| Living Hope Pregnancy CenterPonca City | Form 990 | $369,558FY2024 |
| Global Equip IncBroken Arrow | Form 990 | $368,527FY2024 |
| Community Literacy Centers IncOklahoma City | Form 990 | $367,152FY2025 |
| Redbud Foundation IncOklahoma City | Form 990 | $363,428FY2025 |
| New Emergency Resource Agency IncPonca City | Form 990 | $361,653FY2024 |
| Demolay InternationalOklahoma City | Form 990 | $358,368FY2025 |
| Oklahoma Council on Economic EducationEdmond | Form 990 | $351,054FY2024 |
| Outcasts Under Transformation IncArdmore | Form 990 | $348,856FY2025 |
| World Bible School of Tulare CountyJenks | Form 990 | $331,175FY2024 |
| Lawton Philharmonic Society IncLawton | Form 990 | $324,930FY2025 |
| Mexico Missions IncNorman | Form 990 | $321,292FY2025 |
| Oklahoma Library AssociationClinton | Form 990 | $321,072FY2025 |
| Churches United for Community Concern IncBartlesville | None required | $315,945FY2025 |
| Stillwater Life Services IncStillwater | Form 990 | $315,213FY2025 |
| Oklahoma Lions Service Foundation IncOklahoma City | Form 990 | $313,188FY2025 |
| National Ambucs IncPonca City | Form 990 | $312,039FY2026 |
| Okemah Community Special Housing Authority IncOkemah | Form 990 | $306,000FY2025 |
| Native Wings Like an Eagle IncOklahoma City | Form 990 | $300,951FY2024 |
| Lynn Wheeler Ministries IncMustang | Form 990 | $300,538FY2024 |
| Christ Cares World MinistriesCatoosa | Form 990 | $297,922FY2024 |