| AMERICAN ELECTRIC POWER FOUNDATION | WILMINGTON, DE | large program funder | 1 |
| AMERICAN WATER CHARITABLE FOUNDATION INC | CAMDEN, NJ | program funder | 1 |
| ARVEST FOUNDATION | BENTONVILLE, AR | large program funder | 1 |
| AVERY FA TR | TULSA, OK | program funder | 1 |
| CAMPBELL-LEPLEY-HUNT FOUNDATION INC | TULSA, OK | program funder | 1 |
| CHARLES AND MARION WEBER FOUNDATION | TULSA, OK | program funder | 1 |
| CHARLES W HARRIS FOUNDATION | TULSA, OK | program funder | 1 |
| CORETZ FAMILY FOUNDATION | TULSA, OK | program funder | 1 |
| DAN E BRANNIN AND NEVA L BRANNIN FOUNDATION | RAMONA, OK | program funder | 1 |
| DON AND FLORENCE SHARP CHARITABLE FOUNDATION | TULSA, OK | program funder | 1 |
| FLINT FAMILY FOUNDATION | TULSA, OK | program funder | 1 |
| FORBES FOUNDATION | TULSA, OK | program funder | 1 |
| GEORGE KAISER FAMILY FOUNDATION | TULSA, OK | program funder | 1 |
| GUY AND SHIRLEY LEWIS FOUNDATION LTD | WILMINGTON, DE | program funder | 1 |
| HARDESTY FAMILY FOUNDATION INC | TULSA, OK | program funder | 1 |
| HARLAN & VIRGINIA KRUMME CHARTIABLE TRUST | SAND SPRINGS, OK | program funder | 1 |
| JOE & JEAN HOLLIMAN FAMILY FOUNDATION | | program funder | 1 |
| JOE AND JENNIFER POTTS FAMILY FOUNDATION | TULSA, OK | program funder | 1 |
| JOHN C SMITH FAMILY FOUNDATION | TULSA, OK | program funder | 1 |
| JOHN W MARSHALL & JERRY E MARSHALL FOUNDATION | TULSA, OK | program funder | 1 |
| JOSEPH H AND VIRGINIA L DIBERT | TULSA, OK | program funder | 1 |
| JOSEPH L HULL JR FAMILY FOUNDATION | TULSA, OK | program funder | 1 |
| KRUMME FAMILY FOUNDATION | TULSA, OK | program funder | 1 |
| MARGERY MAYO BIRD FOUNDATION | | program funder | 1 |
| NATIONAL ARBOR DAY FOUNDATION | LINCOLN, NE | program funder | 1 |