| Conrad N Hilton Foundation | Westlake Village | $50,000 | 1,557 | $1.3B |
| The Ahmanson Foundation | Beverly Hills | $50,000 | 662 | $249.5M |
| The Ralph M Parsons Foundation | Los Angeles | $50,000 | 648 | $80.3M |
| The Sobrato Family Foundation | Mountain View | $60,000 | 497 | $240.2M |
| The Conrad Prebys Foundation | San Diego | $55,000 | 387 | $198.9M |
| Walter and Elise Haas Fund | San Francisco | $28,000 | 352 | $51.4M |
| Koret Foundation | San Francisco | $25,000 | 306 | $165.2M |
| Universal Music All Together Now | Santa Monica | $25,000 | 294 | $15.9M |
| Bothin Foundation | San Francisco | $26,500 | 232 | $8.3M |
| The William G Irwin Charity Foundation | San Francisco | $95,000 | 231 | $41.5M |
| The Rosalinde and Arthur Gilbert | Los Angeles | $25,000 | 226 | $48.2M |
| The Marisla Foundation | Laguna Beach | $65,000 | 222 | $154.9M |
| S Mark Taper Foundation | Los Angeles | $70,000 | 204 | $26.9M |
| The Parker Foundation | Carlsbad | $25,000 | 204 | $7.4M |
| Carrie Estelle Doheny Foundation | Los Angeles | $25,000 | 197 | $35.2M |
| Henry L Guenther Foundation | Seal Beach | $25,000 | 183 | $15.8M |
| Arnold and Mabel Beckman Foundation | Irvine | $26,000 | 167 | $123.4M |
| Argyros Family Foundation | Costa Mesa | $25,000 | 149 | $80.9M |
| Joseph Drown Foundation | Los Angeles | $30,000 | 138 | $18.2M |
| Sand Hill Foundation | Menlo Park | $40,000 | 137 | $26.1M |
| The Christensen Fund | San Francisco | $70,000 | 133 | $52.3M |
| Walter J & Betty C Zable Foundation | San Diego | $25,000 | 127 | $18.8M |
| Bella Vista Foundation | San Francisco | $40,000 | 126 | $16.4M |
| Mitchell Kapor Foundation | Oakland | $42,500 | 123 | $34.1M |
| LA84 Foundation | Los Angeles | $35,000 | 122 | $19.7M |
| Alliance Healthcare Foundation | San Diego | $25,000 | 121 | $10.3M |
| The Morris Stulsaft Foundation | San Francisco | $25,000 | 116 | $7.1M |
| The Wood-Claeyssens Foundation | Santa Barbara | $25,000 | 114 | $29.0M |
| Firedoll Foundation | Walnut Creek | $25,000 | 108 | $6.0M |
| Cs Fund | Petaluma | $40,000 | 108 | $14.5M |
| Durfee Foundation | Los Angeles | $30,000 | 97 | $7.0M |
| Crescent Porter Hale Foundation | San Francisco | $40,000 | 93 | $22.7M |
| Clarence E Heller Charitable Foundation | San Francisco | $35,000 | 92 | $11.1M |
| S H Cowell Foundation | San Francisco | $50,000 | 88 | $20.8M |
| Honda USA Foundation | Torrance | $50,000 | 88 | $9.0M |
| Dj and T Foundation | San Marino | $25,000 | 84 | $14.3M |
| With Foundation | San Mateo | $50,000 | 80 | $14.7M |
| The Carl Gellert and Celia Berta Gellert | San Francisco | $40,000 | 76 | $44.1M |
| Draper Richards Kaplan Foundation | Menlo Park | $50,000 | 75 | $14.1M |
| Fred Maytag Family Foundation | San Francisco | $35,000 | 73 | $29.7M |
| Flora L Thornton Foundation | San Francisco | $25,000 | 73 | $9.3M |
| Franklin Templeton Charitable Foundation Inc | San Mateo | $25,000 | 69 | $7.1M |
| Hollywood Foreign Press Association | West Hollywood | $30,000 | 69 | $7.6M |
| Wayne and Gladys Valley Foundation | Oakland | $30,000 | 68 | $121.5M |
| Leo M Shortino Family Foundation | San Jose | $30,000 | 67 | $10.3M |
| The Meredith and Rosemary Willson Charit | Los Angeles | $75,000 | 66 | $14.6M |
| Ueberroth Family Foundation | Los Angeles | $25,000 | 64 | $14.0M |
| The Caruso Family Foundation | Los Angeles | $25,000 | 63 | $16.5M |
| The Don & Lorraine Freeberg Foundation | Glendale | $69,629 | 57 | $16.0M |
| Alletta Morris Mcbean Charitable Trust | La Quinta | $50,000 | 53 | $15.5M |
| Mcmillen Family Foundation | Temecula | $50,000 | 51 | $16.2M |
| Hidden Leaf Foundation | San Francisco | $50,000 | 51 | $12.8M |
| Ann Peppers Foundation | Pasadena | $25,000 | 51 | $6.5M |
| Shp Christian Foundation | Palo Alto | $25,000 | 48 | $18.8M |
| Jose Antonio Grifols Lucas Foundation Inc | Los Angeles | $25,000 | 46 | $1.8M |
| Carestar Foundation | Berkeley | $75,000 | 45 | $16.0M |
| Intuitive Foundation | Sunnyvale | $43,076 | 45 | $41.2M |
| The Mark Hughes Foundation | Marina Del Rey | $25,000 | 43 | $2.8M |
| Bethlehem Foundation - Agy Main | Rescue | $25,000 | 40 | $3.5M |
| Alice Tweed Tuohy Foundation | Santa Barbara | $30,000 | 40 | $5.7M |
| The Roger I & Ruth B Macfarlane Fndn | Berkeley | $75,000 | 38 | $5.3M |
| Grousbeck Family Foundation II | Redwood City | $30,000 | 38 | $8.1M |
| Crabill Family Foundation | San Francisco | $25,000 | 38 | $5.7M |
| Pfaffinger Foundation | Los Angeles | $30,000 | 38 | $3.6M |
| The Mike Kelley Foundation for the Arts | Los Angeles | $25,000 | 35 | $2.2M |
| Max Factor Family Foundation | Los Angeles | $25,000 | 35 | $2.7M |
| The Audrey Irmas Foundation for | Los Angeles | $25,000 | 34 | $6.9M |
| Edgar E & Elizabeth S Pankey Foundation | North Tustin | $30,000 | 34 | $4.8M |
| Kirchgessner Vision Foundation | Sherman Oaks | $25,000 | 33 | $2.7M |
| The Hugh and Hazel Darling Foundation | Los Angeles | $25,000 | 33 | $8.1M |
| Americas Foundation Inc | San Diego | $50,000 | 31 | $5.9M |
| Tsuha Foundation | Escondido | $25,000 | 31 | $4.9M |
| Room to Breathe Project | San Francisco | $25,000 | 31 | $8.9M |
| Rupert H Johnson JR Foundation | San Mateo | $25,000 | 27 | $6.8M |
| Burton G Bettingen Corporation | Los Angeles | $25,000 | 26 | $2.2M |
| The Hearthill Family Foundation | Woodside | $25,000 | 25 | $3.0M |
| Pilara Family Foundation | San Francisco | $57,362 | 25 | $8.6M |
| The Masimo Foundation for Ethics | Irvine | $75,000 | 24 | $10.7M |
| The Fansler Foundation | Fresno | $40,000 | 24 | $5.4M |
| The Dean Witter Foundation | San Rafael | $25,000 | 24 | $1.2M |
| Gleason Family Foundation | Pine Grove | $75,000 | 23 | $38.9M |
| The Hofmann Family Foundation | Concord | $50,000 | 22 | $19.1M |
| The Marc & Eva Stern Foundation | Los Angeles | $33,509 | 20 | $2.8M |
| The Richard and Jean Coyne | Belmont | $25,000 | 20 | $2.4M |
| Kadima Foundation | Kentfield | $50,000 | 20 | $6.2M |
| M & I Pfister Foundation | La Jolla | $30,000 | 17 | $2.2M |
| The Segerstrom Foundation | Costa Mesa | $35,000 | 17 | $2.9M |
| Dora Freedman Levit Fund for People | Santa Monica | $50,000 | 17 | $2.7M |
| Pacific Forest & Watershed Lands | Orangevale | $39,073 | 16 | $18.8M |
| The Pulido Walker Foundation | Rancho Santa Fe | $25,000 | 16 | $1.0M |
| William M Keck JR Foundation | Los Angeles | $50,000 | 15 | $3.1M |
| Margoes Foundation | Berkeley | $35,000 | 15 | $770K |
| Pure Good Foundation | Santa Clara | $25,000 | 14 | $7.2M |
| Noll Foundation Inc | Lincoln | $30,000 | 14 | $3.1M |
| Trent Elijah Foundation | Orange | $25,000 | 12 | $6.5M |
| The Khaled Hosseini Foundation | San Jose | $25,000 | 11 | $1.0M |
| The Healthcare Foundation | Santa Ana | $40,000 | 11 | $2.1M |
| Ray of Light Foundation | Los Angeles | $95,000 | 11 | $5.1M |
| The Huneeus Foundation | San Francisco | $37,500 | 10 | $13.3M |
| Bk Kee Foundation | Burlingame | $85,000 | 10 | $4.1M |