| Oklahoma Public Health AssociationOklahoma City | Form 990-EZ | $98,559FY2024 |
| Life Circles IncAnadarko | Form 990-EZ | $89,909FY2024 |
| Marshall County Hospital Foundation of Marshall County OklahomaMadill | Form 990 | $87,573FY2024 |
| Bluestem Regional Medical Development FoundationBartlesville | Form 990 | $84,717FY2025 |
| Mercy Hospital Ada AuxiliaryAda | Form 990-EZ | $83,774FY2024 |
| Oklahoma Alliance for Healthy FamiliesEdmond | Form 990-EZ | $83,480FY2025 |
| Intune Mother SocietyOklahoma City | Form 990-EZ | $81,832FY2024 |
| Faith Kids IncOklahoma City | Form 990-EZ | $74,750FY2025 |
| The Enid Oklahoma Chapter of National Ambucs IncEnid | Form 990-EZ | $68,954FY2025 |
| Birth Choice of Stillwater IncStillwater | Form 990-EZ | $66,508FY2025 |
| Hilltop Equine Therapy IncArdmore | Form 990-EZ | $63,297FY2025 |
| Good Shepherd Health Clinic of Muskogee IncMuskogee | Form 990 | $61,070FY2025 |
| Mercy Memorial Health Center AuxiliaryArdmore | Form 990 | $59,200FY2025 |
| Assn of Physicians of Pakistani Descent of North America Ok CHEdmond | Form 990-EZ | $57,586FY2025 |
| Amor Telehealth Center IncEdmond | Form 990-EZ | $55,185FY2024 |
| Partnership for Health Central Communities IncYukon | Form 990-EZ | $51,497FY2024 |
| Oklahoma City-County Health Department Foundation IncOklahoma City | Form 990-EZ | $50,925FY2024 |
| School Nurse Organization of Oklahoma IncEdmond | Form 990-N | No figure |
| Rein in Cancer FoundationByars | Form 990-N | No figure |
| Cushing Regional Hospital FoundationCushing | Form 990-N | No figure |
| Pregnancy Resource Center IncMuskogee | Form 990-N | No figure |
| Weecare Pregnancy Resources IncIdabel | Form 990-N | No figure |
| Oklahoma Outdoor Outreach FoundationPurcell | Form 990-N | No figure |
| Integris Baptist Regional Health Center Auxiliary IncorporatedMiami | Form 990-EZ | $33,782FY2024 |
| Safety Alliance of CushingCushing | Form 990-N | No figure |
| Burkett Foundation IncDrumright | Form 990-N | No figure |
| Coalition of Oklahoma Breastfeeding Advocates IncOklahoma City | Form 990-N | No figure |
| United Methodist Retirement & Health Care Center IncClinton | Form 990-N | No figure |
| Natural Family Planning Outreach IncOklahoma City | Form 990-N | No figure |
| Son Focused Ministries IncEdmond | Form 990-N | No figure |
| Oklahomans for Health and Parental Rights FoundationEdmond | Form 990-N | No figure |
| Medical Center of Southeastern Oklahoma Volunteer AuxilliaryDurant | Form 990-EZ | $16,779FY2025 |
| Volunteer Health Center of Pottawatomie County IncShawnee | Form 990-N | No figure |
| Southwestern Clinic Hospital Auxiliary IncLawton | Form 990-N | No figure |
| Leedey Rural Health Clinic IndLeedey | Form 990-N | No figure |
| Auxiliary Volunteer Services of McAlester Regional Health Center IMcAlester | Form 990-EZ | $10,463FY2025 |
| Cushing Regional Hospital AuxiliaryCushing | Form 990-N | No figure |
| Murray County Healthcare FoundationincSulphur | Form 990-N | No figure |
| Wayman L Tisdale Foundation IncTulsa | Form 990-N | No figure |
| Green Country Health Innovations IncTulsa | Form 990-N | No figure |
| Neonatal Quality Initiative Network IncEdmond | Form 990-N | No figure |
| Graces Guardians IncBeaver | Form 990-N | No figure |
| Oklahoma Optometric PhysiciansOklahoma City | Form 990-N | No figure |
| Pathways to Health Community Partnership IncorporatedTulsa | Form 990-N | No figure |
| Association for Professionals in Infection CTRL & Epidemiology IncSand Springs | Form 990-N | No figure |
| Grace Mercies IncOklahoma City | Form 990-N | No figure |
| Oklahoma Physical Therapy Foundation IncEdmond | Form 990-N | No figure |
| Dentovative Service FoundationSand Springs | Form 990-N | No figure |
| Lifelong Wellness Center IncTahlequah | Form 990-N | No figure |
| Wetumka Memorial FundWetumka | Form 990-N | No figure |