| ALBANY FOUNDATION | AUSTIN, TX | program funder | 1 |
| ALISANN AND TERRY COLLINS FOUNDATION | ARLINGTON, VA | program funder | 1 |
| ANDREW R AND JANET F MILLER FOUNDATION | NAPLES, FL | program funder | 1 |
| BETTY A LEWIS ENVIRONMENTAL CHARITABLE TR | APPLETON, WI | program funder | 1 |
| BUNTING FAMILY FOUNDATION INC | HUNT VALLEY, MD | program funder | 1 |
| CARLS FOUNDATION | BLOOMFLD HLS, MI | program funder | 1 |
| CLARK CHARITABLE FOUNDATION INC | BETHESDA, MD | program funder | 1 |
| DAVID AND JUNE TRONE FAMILY FOUNDATION | BETHESDA, MD | program funder | 1 |
| DECK FOUNDATION | BETHESDA, MD | program funder | 1 |
| DIANA DAVIS SPENCER FOUNDATION | BETHESDA, MD | program funder | 1 |
| DR DANIEL C HARTNETT FAMILY FOUNDATION | LONG LAKE, MN | program funder | 1 |
| EUGENE V AND CLARE THAW CHARITABLE TRUST | SANTA FE, NM | program funder | 1 |
| FULLER FAM CHARITABLE TR | PROVIDENCE, RI | program funder | 1 |
| G WHITNEY SNYDER CHARITABLE FUND | WILMINGTON, DE | program funder | 1 |
| JMR CHAIRITIES INC | CHICAGO, IL | program funder | 1 |
| KETTERING FAMILY FOUNDATION | DAYTON, OH | program funder | 1 |
| KOLL FAMILY FOUNDATION | BETHESDA, MD | program funder | 1 |
| LINCOLN ELECTRIC FOUNDATION TR | BROOKLYN, OH | program funder | 1 |
| LOUCKS FAMILY FOUNDATION | MIDLOTHIAN, VA | program funder | 1 |
| NATIONAL MARINE SANCTUARY FOUNDATION | SILVER SPRING, MD | program funder | 1 |
| NATIONAL PARK FOUNDATION | WASHINGTON, DC | program funder | 1 |
| PAUL G ARPIN CHARITABLE TRUST 000531 | | program funder | 1 |
| PHYLLIS AND DONALD EPSTEIN FOUNDATION | W HOLLYWOOD, CA | program funder | 1 |
| QUIGLEY FAMILY FOUNDATION | ATLANTA, GA | program funder | 1 |
| RAST FOUNDATION | BETHESDA, MD | program funder | 1 |