| American Association of Petroleum Geologists FoundationTulsa | Form 990 | $4,939,683FY2025 |
| Sepm Society for Sedimentary GeologyClaremore | Form 990 | $1,131,782FY2024 |
| Astronomical LeagueLawton | Form 990 | $344,395FY2025 |
| Lmsarcoma Direct Research FoundationTulsa | Form 990 | $216,413FY2025 |
| Oklahoma City Astronomy ClubOklahoma City | Form 990-EZ | $74,943FY2025 |
| Ardmore Sample Cut and Library IncArdmore | Form 990 | $54,613FY2025 |
| History of Earth Sciences SocietyNorman | Form 990-N | No figure |
| Advanced Air Mobility Institute IncShawnee | Form 990-N | No figure |
| Great Plains Catalysis SocietyBartlesville | Form 990-N | No figure |
| International Society of Photosynthesis ResearchStillwater | Form 990-N | No figure |
| E-Journals of MeteorologyincorporatedNorman | Form 990-N | No figure |
| Geoscience Foundation of TulsaTulsa | Form 990-N | No figure |
| Carry the Light IncJones | Form 990-N | No figure |
| Royal Society of RoboticsNorman | Form 990-N | No figure |
| International Ufo BureauOklahoma City | Form 990-N | No figure |
| Perkins Cyber Security Education Fund LimitedEdmond | Form 990-N | No figure |
| Humanitarian Association of Science Energy AgricultureLawton | Form 990-N | No figure |
| Master Gardeners Association of Rogers County IncClaremore | Form 990-N | No figure |
| Stillwater Mineral & Gem Society IncTryon | Form 990-N | No figure |
| Innovateen IncOklahoma City | Form 990-N | No figure |
| Sinergy Cyber FoundationTulsa | Form 990-N | No figure |
| Materials Research FoundationStillwater | Form 990-N | No figure |
| Oklahoma Bioscience InstituteOklahoma City | Form 990-N | No figure |
| Oklahomans for Excellence in Science Education IncNorman | Form 990-N | No figure |
| Oklahoma Pilots AssociationBethany | Form 990-N | No figure |
| Oklahoma Water Environment AssociationTulsa | Form 990-N | No figure |
| Metabolism FoundationEdmond | Form 990-N | No figure |
| Oklahoma Academy of ScienceOklahoma City | Form 990-N | No figure |
| Geophysical Society of Tulsa IncTulsa | Form 990-N | No figure |
| Tulsa Rocketry IncJenks | Form 990-N | No figure |
| Plains Seed FoundationStillwater | Form 990-N | No figure |
| Invertebrate Studies Institute IncMidwest City | Form 990-N | No figure |
| Sea Chest Foundation IncTulsa | Form 990-N | No figure |
| Okc Metro Cybersecurity Club IncOklahoma City | Form 990-N | No figure |
| Tech Village IncTulsa | Form 990-N | No figure |
| Oklahoma Policy Engagement Network IncOklahoma City | Form 990-N | No figure |
| Race Place RC Club IncNorman | Form 990-N | No figure |
| Midas Project IncTulsa | Form 990-N | No figure |
| Disaster Imaging IncNorman | Form 990 or 990-EZ | No figure |
| Arliss S Pediatric Seizure Awareness & Research IncTahlequah | Form 990-N | No figure |
| Global Digital Geochemistry Society IncBroken Arrow | Form 990 or 990-EZ | No figure |
| National Security Technology AcceleratorDuncan | Form 990-N | No figure |
| Tahlequah Rock & Mineral Society IncTahlequah | Form 990-N | No figure |
| Enid Gem & Mineral SocietyEnid | Form 990-N | No figure |
| Society of Hispanic Professional Engineers Okc Professional ChapterOklahoma City | Form 990-N | No figure |
| Midcontinent Venture Capital FoundationOklahoma City | Form 990 or 990-EZ | No figure |
| Oklahoma City Chapter of the Nsbe SocietyOklahoma City | Form 990-N | No figure |