| MYSTIC RIVER WATERSHED ASSOCIATION INC | ARLINGTON, MA | program funder | 4 |
| CHARLES RIVER WATERSHED ASSOCIATION INC | BOSTON, MA | program funder | 3 |
| FIDELITY FOUNDATION | BOSTON, MA | large program funder | 3 |
| FOUNDATION FOR METROWEST INC | NATICK, MA | program funder | 3 |
| EASTERN BANK CHARITABLE FOUNDATION | WAKEFIELD, MA | large program funder | 2 |
| PATAGONIAORG | | large program funder | 2 |
| THE CHT FOUNDATION | BOSTON, MA | program funder | 2 |
| THE LAWRENCE AND LILLIAN SOLOMON FOUNDATION INC | WELLESLEY, MA | program funder | 2 |
| AKAMAI FOUNDATION INC | CAMBRIDGE, MA | program funder | 1 |
| ALCHEMY FOUNDATION | CAMBRIDGE, MA | program funder | 1 |
| AMG CHARITABLE FOUNDATION | PRIDES CROSSING, MA | program funder | 1 |
| ANDROMEDA FOUNDATION | WALTHAM, MA | program funder | 1 |
| ARCADIA CHARITABLE TR UA 050797 | WRENTHAM, MA | program funder | 1 |
| AVIDIA CHARITABLE FOUNDATION INC | HUDSON, MA | program funder | 1 |
| BAKER ROOT FAMILY FOUNDATION INC | NEEDHAM, MA | program funder | 1 |
| BARR FOUNDATION | BOSTON, MA | program funder | 1 |
| BEARD FAMILY CHARITABLE TRUST | WAYLAND MA, MA | program funder | 1 |
| BILEZIKIAN FAMILY FOUNDATION INC | YARMOUTH PORT, MA | program funder | 1 |
| BOSCH COMMUNITY FUND | FARMINGTN HLS, MI | program funder | 1 |
| BOSTON ATHLETIC ASSOC | BOSTON, MA | program funder | 1 |
| BROWN ADVISORY CHARITABLE FOUNDATION INC | BALTIMORE, MD | program funder | 1 |
| CAMBRIDGE COMMUNITY FOUNDATION | CAMBRIDGE, MA | program funder | 1 |
| CAMBRIDGE TRUST CHARITABLE FOUND FKA WELLESLEY BANK CHARITABLE FDN | WAKEFIELD, MA | program funder | 1 |
| CECILE HIGGINSON MURPHY CHARITABLE FOUNDATION | BOSTON, MA | program funder | 1 |
| CHARLESVIEW FOUNDATION | BEVERLY, MA | program funder | 1 |