| Prepass Safety AlliancePhoenix | Form 990 | $196,625,833FY2025 |
| Lowell ObservatoryFlagstaff | Form 990 | $19,557,310FY2025 |
| Large Binocular Telescope CorporationTucson | Form 990 | $15,015,334FY2025 |
| Wiyn Consortium IncTucson | Form 990 | $4,133,005FY2025 |
| Alcor Life Extension Foundation IncScottsdale | Form 990 | $4,023,134FY2024 |
| Soar Consortium IncTucson | Form 990 | $3,636,361FY2025 |
| LSST IncTucson | Form 990 | $3,556,965FY2024 |
| Research Collaboratory at AsuTempe | Form 990 | $1,466,768FY2025 |
| Arizona Hydrological Society FoundationTucson | Form 990 | $852,354FY2025 |
| Springs Stewardship InstituteFlagstaff | Form 990 | $615,273FY2025 |
| Wisdom Age MetaverseSedona | Form 990 | $600,663FY2024 |
| Association of Movement Disorder Advanced Practice ProvidersPhoenix | Form 990 | $510,212FY2024 |
| 39 Alpha ResearchTempe | Form 990 | $456,977FY2025 |
| The Biodiversity GroupTucson | Form 990 | $328,753FY2024 |
| Mining Foundation of the Southwest IncTucson | Form 990 | $267,071FY2025 |
| Rocky Mountain Mathematics Consortium IncPhoenix | Form 990 | $206,391FY2025 |
| International Occultation Timing AssociationFountain Hills | Form 990 | $195,548FY2025 |
| Old Pueblo Archaeology CenterTucson | Form 990-EZ | $82,391FY2025 |
| Heatsync LabsMesa | Form 990-EZ | $63,287FY2024 |
| Coalition for Archaeological SynthesisTucson | Form 990 | $32,221FY2025 |
| Foundation for Scientific AdvancementSierra Vista | Form 990-N | No figure |
| Alpha Air IncTucson | Form 990-EZ | $10,892FY2025 |
| Arizona Council of Engineering and Scientific AssociationsChandler | Form 990-N | No figure |
| Magmachem Research InstituteSonoita | Form 990-N | No figure |
| Gila County Gem & Mineral Society IncMiami | Form 990-N | No figure |
| Arizona Phyiological SocietyTucson | Form 990-N | No figure |
| Odyssey Research InstituteTucson | Form 990-N | No figure |
| Payson Rimstones RockclubPayson | Form 990-N | No figure |
| Center for Alternative Building StudiesTempe | Form 990-N | No figure |
| Superstition Spacemodeling SocietyMesa | Form 990-N | No figure |
| Prescott Astronomy ClubPrescott | Form 990-N | No figure |
| Sustainable ArizonaSedona | Form 990-N | No figure |
| Southern Arizona Rocketry AssociationTucson | Form 990-N | No figure |
| New River RoboticsNew River | Form 990-N | No figure |
| Awd CaresYuma | Form 990-N | No figure |
| Engineering Society of Systems ScholarsTempe | Form 990-N | No figure |
| Northwest Tucson Robotics ClubTucson | Form 990-N | No figure |
| Advanced RoboticsHereford | Form 990-N | No figure |
| Open Genomes FoundationTucson | Form 990-N | No figure |
| Daisy Mountain Rock and Mineral ClubNew River | Form 990-N | No figure |
| Startup GenomeTucson | Form 990-N | No figure |
| Emed Research CenterScottsdale | Form 990-N | No figure |
| Scientific Association for the Study of Time in Physics and CosmoTucson | Form 990-N | No figure |
| Strong TiesPeoria | Form 990-N | No figure |
| CountthediseaseScottsdale | Form 990-N | No figure |
| Walnut Canyon PressScottsdale | Form 990-N | No figure |
| High Desert Astronomy Club IncKingman | Form 990-N | No figure |
| Foundation for American BusinessrevitalizationTucson | Form 990-N | No figure |
| Coconino Lapidary ClubFlagstaff | Form 990-N | No figure |
| Coconino Astronomical SocietyFlagstaff | Form 990-N | No figure |