| CityteamEIN 94-1501265 | Human Services | CA | $26,665,848Large | 87.76 |
| Claris HealthEIN 95-4806856 | Health | CA | $1,155,601Small | 85.87 |
| Coachella Valley Rescue MissionEIN 95-2684844 | Human Services | CA | $7,269,992Mid-sized | 96.83 |
| Coaching CorpsEIN 94-3310845 | Human Services | CA | $4,311,471Mid-sized | 90.46 |
| Coalition for Clean AirEIN 23-7120567 | Environment | CA | $1,050,597Small | 85.15 |
| Coalition for Engaged EducationEIN 95-4515019 | Education | CA | $1,278,892Small | 79.09 |
| Coalition to Abolish Slavery & Trafficking (CAST)EIN 10-0008533 | Human Services | CA | $3,782,163Mid-sized | 90.07 |
| College Bound, CAEIN 95-4604550 | Education | CA | $709,979Small | 68.46 |
| College Golf FellowshipEIN 55-0798282 | Religion | CA | $2,573,949Small | 81.83 |
| College TrackEIN 94-3279613 | Education | CA | $18,429,592Large | 96.15 |
| Common Counsel FoundationEIN 94-3214166 | Community Development | CA | $3,914,023Mid-sized | 85.93 |
| Common Sense MediaEIN 41-2024986 | Arts, Culture, Humanities | CA | $22,906,362Large | 93.91 |
| CommonwealEIN 94-2366094 | Health | CA | $4,034,106Mid-sized | 93.02 |
| Communities for a Better EnvironmentEIN 94-2998086 | Environment | CA | $2,066,472Small | 83.88 |
| Community Arts Music AssociationEIN 95-1816010 | Arts, Culture, Humanities | CA | $2,083,604Small | 88.35 |
| Community CoalitionEIN 95-4298811 | Community Development | CA | $5,163,415Mid-sized | 91.86 |
| Community Environmental CouncilEIN 94-1728064 | Environment | CA | $1,225,334Small | 87.24 |
| Community Foundation Sonoma CountyEIN 68-0003212 | Community Development | CA | $17,422,939Large | 91.20 |
| Community Health Charities of CaliforniaEIN 94-1732873 | Health | CA | $2,622,541Small | 79.62 |
| Community Partners InternationalEIN 94-3375666 | International | CA | $4,237,240Mid-sized | 96.09 |
| Community SeniorServEIN 95-2771715 | Human Services | CA | $11,711,293Mid-sized | 87.57 |
| CompassPoint Nonprofit ServicesEIN 93-1196632 | Community Development | CA | $3,901,504Mid-sized | 90.56 |
| Concern AmericaEIN 23-7273488 | International | CA | $1,061,339Small | 72.84 |
| Concern FoundationEIN 23-7002878 | Health | CA | $1,792,550Small | 84.42 |
| Constitutional Rights FoundationEIN 95-2219680 | Education | CA | $1,944,718Small | 86.71 |
| Contemporary Jewish MuseumEIN 47-0920831 | Arts, Culture, Humanities | CA | $10,845,438Mid-sized | 76.22 |
| Convalescent Aid SocietyEIN 95-1782304 | Health | CA | $1,081,202Small | 88.51 |
| Coral Reef AllianceEIN 94-3211245 | Environment | CA | $3,119,480Small | 92.03 |
| Cornerstone Theater CompanyEIN 95-4493498 | Arts, Culture, Humanities | CA | $1,289,866Small | 86.04 |
| Coro Northern CaliforniaEIN 94-3117758 | Education | CA | $1,502,444Small | 83.85 |
| Correctional Peace Officers FoundationEIN 68-0023302 | Human Services | CA | $8,090,088Mid-sized | 86.30 |
| Courage WorldwideEIN 20-3126288 | International | CA | $991,803Small | 76.16 |
| Court Appointed Special Advocates of Orange CountyEIN 33-0069334 | Human Services | CA | $2,514,265Small | 87.81 |
| Covenant House CaliforniaEIN 13-3391210 | Human Services | CA | $10,013,415Mid-sized | 95.24 |
| Creative CommonsEIN 04-3585301 | Research and Public Policy | CA | $3,342,546Small | 89.05 |
| CuriOdysseyEIN 94-1262434 | Arts, Culture, Humanities | CA | $4,418,168Mid-sized | 86.57 |
| Cystic Fibrosis Research, Inc.EIN 51-0169988 | Health | CA | $1,053,679Small | 100.00 |
| Cystinosis Research FoundationEIN 32-0067668 | Health | CA | $3,037,548Small | 90.72 |
| D-Rev Design for the Other Ninety PercentEIN 26-0642778 | Health | CA | $1,828,897Small | 88.06 |
| D.A.R.E. AmericaEIN 95-4242541 | Health | CA | $12,067,579Mid-sized | 70.66 |
| Delancey Street FoundationEIN 23-7102690 | Human Services | CA | $102,283,206Large | 91.45 |
| Descanso Gardens Guild, Inc.EIN 95-2511202 | Environment | CA | $8,740,038Mid-sized | 89.78 |
| Desert AIDS ProjectEIN 33-0068583 | Health | CA | $32,043,691Large | 95.02 |
| Developments in LiteracyEIN 33-0843213 | Education | CA | $2,641,317Small | 91.12 |
| Diabetes Youth FamiliesEIN 94-6003673 | Health | CA | $2,422,432Small | 88.04 |
| Direct ReliefEIN 95-1831116 | International | CA | $1,008,907,873Large | 100.00 |
| Discovery Eye FoundationEIN 95-4228653 | Health | CA | $897,538Small | 69.62 |
| Doheny Eye InstituteEIN 95-2916590 | Health | CA | $23,595,251Large | 82.85 |
| Domestic Violence Solutions for Santa Barbara CountyEIN 95-3495141 | Human Services | CA | $1,830,345Small | 84.41 |
| Downtown Women's CenterEIN 31-1597223 | Human Services | CA | $10,092,147Mid-sized | 89.78 |
| Dr. Susan Love Research FoundationEIN 77-0009065 | Health | CA | $2,750,486Small | 93.08 |
| Dream FoundationEIN 77-0405779 | Health | CA | $4,761,331Mid-sized | 94.27 |
| EARN, Inc. EIN 91-2172676 | Community Development | CA | $3,710,835Mid-sized | 91.23 |
| Earth Island InstituteEIN 94-2889684 | Environment | CA | $9,751,020Mid-sized | 88.24 |
| EarthjusticeEIN 94-1730465 | Environment | CA | $51,564,754Large | 94.85 |
| EarthShare CaliforniaEIN 94-2840364 | Environment | CA | $1,349,632Small | 73.23 |
| East Bay Alliance for A Sustainable EconomyEIN 94-3314108 | Human Services | CA | $1,290,909Small | 91.25 |
| East Bay Community FoundationEIN 94-6070996 | Community Development | CA | $29,631,756Large | 87.62 |
| East Bay SPCAEIN 94-1322202 | Animals | CA | $10,413,347Mid-sized | 89.81 |
| Eastside College Preparatory SchoolEIN 94-3187806 | Education | CA | $8,497,745Mid-sized | 93.29 |