| DUNCAN REGIONAL HOSPITAL INC | $157,012,708 | $151,633,561 |
| NATIONAL RURAL WATER ASSOCIATION | $49,940,515 | $46,292,818 |
| THINK ABILITY INC | $7,807,529 | $7,687,479 |
| SIMMONS CENTER FOUNDATION | $3,270,913 | $3,622,605 |
| LYNN COLBERT CHARITABLE FOUNDATION | $3,949,757 | $3,214,224 |
| DUNCAN REGIONAL HOSPITAL HEALTH FOUNDATION | $1,626,909 | $1,285,034 |
| DUNCAN PUBLIC SCHOOLS FOUNDATION | $1,354,583 | $953,674 |
| YOUTH SERVICES FOR STEPHENS COUNTY | $721,661 | $951,102 |
| DUNCAN AREA ECONOMIC DEVELOPMENT FOUNDATION | $769,559 | $698,510 |
| GILLISPIE FAMILY MINISTRIES INC GILLISPIE COUNSELING SERVICES | $557,228 | $601,564 |
| FIRST BAPTIST CHILD CHURCH DEV CNTR | $429,172 | $432,992 |
| DUNCAN COMMUNITY RESIDENCE INC | $369,209 | $384,792 |
| STEPHENS COUNTY HUMANE SOCIETY | $340,738 | $340,307 |
| SAFE CENTER INC | $337,752 | $329,163 |
| UNITED WAY OF STEPHENS COUNTY INC | $409,259 | $317,643 |
| SOLITAIRE HOLDINGS HEALTH BENEFITS PLAN | $24,353 | $286,376 |
| BEAUTIFUL DAY FOUNDATION | $209,928 | $222,741 |
| GABRIELS HOUSE INC | $199,132 | $220,864 |
| DUNCAN CHAMBER OF COMMERCE AND INDUSTRY | $172,317 | $168,830 |
| CHISHOLM TRAIL ARTS COUNCIL INC | $121,965 | $113,917 |
| CHRISTIANS CONCERN | $203,885 | $110,665 |
| CHISHOLM TRAIL HERITAGE CENTER ASSOCIATION | $96,869 | $105,673 |
| MAIN STREET DUNCAN INC | $74,654 | $105,327 |
| RUTH TUSSY TRUST FOR TUSSY CEMETERY | $38,911 | $100,395 |
| CHARIS PREGNANCY CENTER INC | $140,216 | $100,244 |