| ENTERPRISE HOLDINGS FOUNDATION | SAINT LOUIS, MO | large program funder | 5 |
| EMPLOYEES COMMUNITY FUND OF BOEING CALIFORNIA INC | | program funder | 3 |
| EMPLOYEES COMMUNITY FUND OF THE BOEING COMPANY | CHICAGO, IL | program funder | 3 |
| JOHN H GRACE FOUNDATION | FULLERTON, CA | program funder | 3 |
| ORANGE COUNTYS UNITED WAY | IRVINE, CA | program funder | 3 |
| A GARY ANDERSON FAMILY FOUNDATION A NEVADA NONPROFIT CORPORATION | LAS VEGAS, NV | program funder | 2 |
| ARGYROS FAMILY FOUNDATION | COSTA MESA, CA | program funder | 2 |
| ARMANINO FOUNDATION | SAN RAMON, CA | program funder | 2 |
| BROADCOM FOUNDATION | WILMINGTON, DE | program funder | 2 |
| FROME FAMILY FOUNDATION | COSTA MESA, CA | program funder | 2 |
| GEORGE R WILEY FOUNDATION | SANTA ANA, CA | program funder | 2 |
| GIVING CHILDREN HOPE | BUENA PARK, CA | program funder | 2 |
| INVESTORS PHILANTHROPIC | NEWPORT BEACH, CA | program funder | 2 |
| JEWISH COMMUNITY FOUNDATION OF ORANGE COUNTY | IRVINE, CA | program funder | 2 |
| MIND OC | IRVINE, CA | program funder | 2 |
| MUFG UNION BANK FOUNDATION AG | | program funder | 2 |
| O L HALSELL FOUNDATION | COSTA MESA, CA | program funder | 2 |
| ONEOC | SANTA ANA, CA | program funder | 2 |
| OPUS COMMUNITY FOUNDATION | | program funder | 2 |
| SAMUELI FOUNDATION | CORONA DL MAR, CA | program funder | 2 |
| SCHLINGER FAMILY FOUNDATION | WILMINGTON, DE | program funder | 2 |
| SIDNEY STERN MEMORIAL TRUST NO 300-6-4020-02 | SAINT LOUIS, MO | program funder | 2 |
| SISTERS OF ST JOSEPH HEALTHCARE FOUNDATION | ORANGE, CA | program funder | 2 |
| ST JOSEPH HEALTH SYSTEM FOUNDATION | IRVINE, CA | program funder | 2 |
| STANLEY W EKSTROM FOUNDATION INC | ORANGE, CA | program funder | 2 |