| GORDON E AND BETTY I MOORE FOUNDATION | PALO ALTO, CA | large program funder | 3 |
| WILLIAM & FLORA HEWLETT FOUNDATION | MENLO PARK, CA | large program funder | 3 |
| CALIFORNIA FOUNDATION FOR STRONGER COMMUNITIES | CARLSBAD, CA | program funder | 2 |
| CHAUNCEY AND MARION DEERING MCCORMICK FOUNDATION | CHICAGO, IL | program funder | 2 |
| GIANT STEPS FOUNDATION | NEW YORK, NY | program funder | 2 |
| HUMANE WORLD FOR ANIMALS INC | GAITHERSBURG, MD | program funder | 2 |
| PC FUND FOR ANIMALS CHARITABLE TR | JACKSON, WY | program funder | 2 |
| SPRINGCREEK FOUNDATION | BERKELEY, CA | program funder | 2 |
| SYKO FAMILY FOUNDATION | BERKELEY, CA | program funder | 2 |
| THE VERLA K REGNERY FOUNDATION | MILL VALLEY, CA | program funder | 2 |
| THORNTON S GLIDE JR AND KATRINA D GLIDE FOUNDATION | DAVIS, CA | program funder | 2 |
| A & J SAKS FOUNDATION INC | NEW YORK, NY | program funder | 1 |
| ADOLPH QUASTHOFF FOUNDATION | NORTHBROOK, IL | program funder | 1 |
| AHIMSA FOUNDATION | SOUTH WINDHAM, ME | program funder | 1 |
| ALBEN F BATES AND CLARA G BATES FOUNDATION | ELMHURST, IL | program funder | 1 |
| ALBERT & PAMELA BENDICH CHARITABLE TR | GLENVIEW, IL | program funder | 1 |
| ALEXANDER M AND JUNE L MAISIN FOUNDATION | SAN FRANCISCO, CA | program funder | 1 |
| ALICE SHAVER FOUNDATION | WILLIAMSTOWN, MA | program funder | 1 |
| ALISANN AND TERRY COLLINS FOUNDATION | ARLINGTON, VA | program funder | 1 |
| AMERICAN KENNEL CLUB COMPANION ANIMAL RECOVERY CORPORATION | NEW YORK, NY | program funder | 1 |
| AMERICAN SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS | NEW YORK, NY | program funder | 1 |
| ANDREAS RICKENBACH FOUNDATION | WILMINGTON, DE | program funder | 1 |
| ANTHONY & TRISSA NAPOLEON FOUNDATION | SAN DIEGO, CA | program funder | 1 |
| ARMANINO FOUNDATION | SAN RAMON, CA | program funder | 1 |
| ARTHUR E & FRANCES MAYER RIKLI FAM FOUNDATION TR 161775 | COLUMBIA, MO | program funder | 1 |