| Virginia G Piper Charitable Trust | Phoenix | $10,000 | 421 | $241.8M |
| The Diane and Bruce Halle Foundation | Scottsdale | $110,000 | 168 | $89.3M |
| The Hs Lopez Family Foundation | Tucson | $10,000 | 121 | $6.7M |
| The Legacy Foundation of Southeast | Sierra Vista | $2,498 | 114 | $7.8M |
| Research Corporation Dba Research | Tucson | $55,000 | 111 | $29.3M |
| Del E Webb Foundation | Prescott | $50,000 | 106 | $12.3M |
| Lifestance Health Foundation | Scottsdale | $450 | 104 | $583K |
| John F Long Foundation Inc | Phoenix | $3,000 | 91 | $635K |
| The Picerne Family Charitable Foundation | Phoenix | $4,500 | 88 | $6.1M |
| Margaret T Morris Foundation | Prescott | $10,000 | 86 | $6.3M |
| Dorrance Family Foundation | Scottsdale | $25,000 | 79 | $19.0M |
| Richard Reed Foundation | Phoenix | $10,000 | 70 | $2.3M |
| Tw Lewis Foundation | Scottsdale | $25,000 | 68 | $10.5M |
| Mayo Family Foundation | Scottsdale | $2,250 | 47 | $1.0M |
| Bechtel Group Foundation | Glendale | $1,000 | 47 | $12.6M |
| Delta Dental Plan of Arizona | Scottsdale | $22,500 | 46 | $5.7M |
| Marshall Foundation | Tucson | $25,000 | 44 | $6.2M |
| The Goodwin-Levine Foundation Inc | Fountain Hills | $250 | 40 | $78K |
| The Pasquinelli Foundation | Yuma | $1,000 | 40 | $1.5M |
| Lapan Memorial Sunshine Foundation Inc | Tucson | $3,400 | 36 | $4.9M |
| The William and Joanne Moeller | Scottsdale | $3,000 | 35 | $670K |
| Fred & Christine Armstrong Foundation | Tucson | $9,800 | 34 | $1.6M |
| Ross and Patty Mccallister Foundation | Tucson | $10,000 | 31 | $1.8M |
| Craig and Christine Hughes Family Foundation | Scottsdale | $1,000 | 29 | $414K |
| The Frantzman Scott | Scottsdale | $3,000 | 28 | $314K |
| Aj Bitker Charitable Foundation | Paradise Valley | $500 | 27 | $243K |
| Beach Family Foundation Inc | Scottsdale | $15,000 | 27 | $1.4M |
| Mha Foundation Inc | Payson | $3,073 | 25 | $1.2M |
| Richard Seth Staley Educational | Phoenix | $2,000 | 25 | $1.8M |
| Dorrance Foundation for Education | Scottsdale | $4,866 | 24 | $8.0M |
| The Kai Family Foundation | Tucson | $3,000 | 24 | $596K |
| The Michelson Foundation | Scottsdale | $25,000 | 22 | $2.8M |
| The Breslow Foundation | Phoenix | $3,280 | 22 | $224K |
| Perry and Sandy Massie Foundation | Prescott | $10,000 | 21 | $3.8M |
| L Roy Papp Charitable Trust | Phoenix | $5,000 | 21 | $566K |
| Charles and Laura Goldstein | Scottsdale | $2,643 | 21 | $663K |
| Click Family Foundation | Tucson | $15,000 | 21 | $928K |
| Canyon Institute | Phoenix | $70,000 | 21 | $5.7M |
| Ashton Family Foundation | Tucson | $2,500 | 19 | $223K |
| Ckko Foundation | Scottsdale | $10,000 | 19 | $1.4M |
| Armstrong Mcdonald Foundation | Tucson | $60,000 | 19 | $6.3M |
| Stanley M Reinhaus Family Foundation | Tucson | $20,000 | 19 | $1.3M |
| The William D Squires Educational | Phoenix | $5,000 | 19 | $1.4M |
| Donald Pitt Family Foundation | Tucson | $2,000 | 19 | $283K |
| Jennie H Olson Charitable | Scottsdale | $14,000 | 18 | $1.6M |
| Elizabeth Read Taylor Foundation | Tucson | $4,500 | 18 | $348K |
| Shapiro Family Philanthropic | Scottsdale | $1,500 | 17 | $240K |
| Doug Riley Family Foundation | Scottsdale | $3,000 | 17 | $236K |
| Emme Family Foundation | Paradise Valley | $5,000 | 17 | $383K |
| Diamond Foundation | Tucson | $1,500 | 17 | $161K |
| The Inukai Family Foundation Inc | Scottsdale | $1,250 | 16 | $109K |
| Connie Hillman Family Foundation | Tucson | $100,000 | 16 | $7.9M |
| The Carl & Mabel Shurtz Foundation | Tucson | $1,500 | 16 | $112K |
| Kraft Foundation | Paradise Valley | $20,000 | 15 | $2.9M |
| The Pino Family Foundation | Scottsdale | $5,000 | 15 | $2.5M |
| Graesser Foundation | Tucson | $5,000 | 14 | $132K |
| Raymond & Margaret Vicker Trust | Tucson | $5,000 | 14 | $614K |
| William M & Ann K Grace Foundation | Scottsdale | $3,250 | 14 | $2.1M |
| Tucson Osteopathic Medical Foundation | Tucson | $6,860 | 14 | $259K |
| Sulphur Springs Valley Electric | Willcox | $1,963 | 14 | $533K |
| The Haugh Foundation | Tucson | $2,000 | 14 | $133K |
| Martin & Hildegard Gluck Foundation | Tucson | $10,000 | 14 | $282K |
| Rb and Twyla Sheldahl Foundation | Chandler | $15,000 | 13 | $1.7M |
| Bainbridge Foundation | Paradise Valley | $15,000 | 12 | $325K |
| Absolon Foundation | Tucson | $25,000 | 12 | $708K |
| The Eliot Spalding Foundation | Tucson | $6,000 | 12 | $725K |
| Allyn Family Foundation | Scottsdale | $3,487 | 12 | $340K |
| Jerry W Brock Foundation | Tempe | $7,500 | 11 | $468K |
| Gregory C Van Wie Charitable | Scottsdale | $20,000 | 11 | $1.1M |
| Rosztoczy Foundation | Avondale | $11,628 | 11 | $1.3M |
| Mulcahy Foundation | Tucson | $12,000 | 11 | $434K |
| Laura D Wanser Foundation | Sedona | $2,250 | 11 | $127K |
| Grant Writing Training Foundation | Litchfield Park | $250 | 10 | $34K |
| Barton Family Foundation | Scottsdale | $15,000 | 10 | $820K |
| Mak Foundation | Lake Havasu City | $11,604 | 10 | $1.9M |
| The George Mason Green and Lois C | Tucson | $55,750 | 10 | $2.9M |