| Name | Deductibility Code |
| Airport Support Wing Association | -- |
| All for God Inc. | -- |
| Aoi Inc. | -- |
| Ars - Americas Redemption System Inc. | -- |
| Arts & Humanities Council of Stillwater Oklahoma Inc. | -- |
| Asia International Mission Inc. | -- |
| Believers Fellowship Church | -- |
| Bible Baptist Church Inc. | -- |
| Birth Choice of Stillwater Inc. | -- |
| Buel J Staton Charitable Tr | 4 |
| Central Rural Electric Cooperative Foundation | -- |
| Charles Koch Ministries Inc. | -- |
| Christian Womens Outreach Inc. | -- |
| Church in Stillwater Inc. | -- |
| Church of Christ of Stillwater Oklahoma A Corporation | -- |
| Cimarron Chapter Troa Scholarship Fund | 6 |
| Coalition for the Advancement of Mathematics Education in Ok Inc. | -- |
| Community Aids Network Stillwater Ok Inc. | -- |
| Companion Animal Assistance Program Inc. | -- |
| Comparative Respiratory Society | -- |
| Conservation Organization for the Preservation of Native Seeds Inc. | -- |
| Cornerstone Advantage Inc. | -- |
| Covenant Community School Inc. | -- |
| Cowboy Athletics Inc. | -- |
| Cowboy Wrestling Club Inc. | -- |
| Dancer Foundation | 4 |
| Diamond Point Preservation Association | -- |
| Elite Repeat Serving Stillwater Inc. | -- |
| Faggins Golf Foundation Inc. | -- |
| Fairlawn Cemetery Association Inc. of Stillwater Oklahoma | 6 |
| Faye Allene Rife Brown Foundation | 4 |
| Fellowship of University Students at Oklahoma State University Inc. | -- |
| First Baptist Church Foundation Inc. | -- |
| Foundation Education Inc. | 4 |
| Foundation Ministries International | -- |
| Gamma Phi Beta Foundation | -- |
| Hall of Fame of Womens Oklahoma Golf Association | -- |
| Hoecker Foundation | -- |
| Holy Nation Inc. | -- |
| Home Fellowships Incorporated | -- |
| Ingalls Fire District Incorporated | -- |
| International Research Committee on Disasters | -- |
| Islamic Society of Stillwater | -- |
| Jameson Family Foundation Inc. | 4 |
| Judith Karman Hospice Inc. | -- |
| Junior Service League of Stillwater Oklahoma | -- |
| K-Friends Inc. | -- |
| Kappa Kappa Psi Fraternity | 1 |
| Kiwanis Foundation of Stillwater Ok 123 W 7th Ave Ste 210 | -- |
| Lakeview Community Church Inc. | -- |
| Linehan Family Foundation | 4 |
| Living Improvement for the Elderly Center | -- |
| Lost & Found Internatinal Inc. | -- |
| Mary E Jones Student Trust | -- |
| Mateen Badiyan Foundation | -- |
| Matthew 25 40 Mission Inc. | -- |
| Melody Christian Fellowship | -- |
| Meridian Technology Center Foundation | -- |
| Methodist Protestant Church of Oklahoma Inc. | -- |
| Mission to Internationals Inc. | -- |
| Mount Zion Missionary Church | -- |
| Mya Gonzales Foundation | -- |
| National Wrestling Hall of Fame Inc. | -- |
| New Conenant Fellowship of Stillwater | -- |
| New Covenant Fellowship of Stillwater | -- |
| Noble County Elderly Housing & Services Inc. | -- |
| North American for Seventeeth Century French Literature | -- |
| Oasis Full Gospel Ministries | -- |
| Oikos Network Ministries Inc. | -- |
| Oklahoma Anthropological Society Inc. | -- |
| Oklahoma Assistive Technology Foundation | -- |
| Oklahoma Association of Career & Employment Professionals | -- |
| Oklahoma Asssociation for Environmental Education | -- |
| Oklahoma Conservation Congress Oklahoma Chapter | -- |
| Oklahoma Crush Baseball | -- |
| Oklahoma Dietetic Association | -- |
| Oklahoma Fraternal Order of Leatherheads Society | -- |
| Oklahoma Future Farmers of America Foundation Incorporated | -- |
| Oklahoma Future Homemakers of America Alumni and Associates Inc. | -- |
| Oklahoma Home and Community Education Inc. | 1 |
| Oklahoma Horticulture Industries Show Inc. | -- |
| Oklahoma Predictive Maintenance Users Group Inc. | -- |
| Oklahoma State University Alumni Association | -- |
| Oklahoma State University Emeriti Association | -- |
| Oklahoma State University Foundation | -- |
| Oklahoma State University Rodeo Association Booster Club | -- |
| Oklahoma Technology Education Association | -- |
| Oklahoma Wondertorium Ltd. | -- |
| Osu Center for Innovation and Economic Development Inc. | -- |
| Osu Lew Wentz Foundation | -- |
| Payne County Audubon Society | -- |
| Payne County Casa Association Inc. | -- |
| Payne County Child Welfare Advisory Committee Inc. | -- |
| Payne County Conservation Foundation Inc. | -- |
| Payne County Counseling Services Inc. | -- |
| Payne County Drug Court Inc. | -- |
| Payne County Family Practice Inc. | -- |
| Payne County Youth Services Inc. | -- |
| Plains Grains Inc. | -- |
| Pleasant Valley School Foundation | -- |
| Renewal Inc. | -- |
| Robert Turner Ministries Inc. | -- |
| Safe-Ministries Inc. | -- |
| Saville Center Inc. | -- |
| Scabbard and Blade Endowment Resources Inc. | -- |
| School Science & Mathematics Association Inc. | -- |
| Sheltered Workshop for Payne County Inc. | -- |
| Shsc E Donart Museum Foundation | -- |
| Smart Start Payne County Inc. | -- |
| Society for the North American Cultural Survey Inc. | -- |
| Society of Indian Psychologists | -- |
| Solid Rock Church Inc. | -- |
| Solid State Dosimetry Conference | -- |
| Starting Point II Inc. | -- |
| Sunnybrook Christian Church Inc. | -- |
| Sunnybrook Christian School Inc. | -- |
| Sunshine Seniors Inc. | -- |
| Tau Beta Sigma Honorary Band Sorority National Headquarters | 1 |
| Teletraining Institute Inc. | -- |
| The Humane Society of Stillwater Oklahoma Incorporated | -- |
| The Oklahoma Foundation for Career and Technology Education Inc. | -- |
| The Stillwater Chamber Singers Inc. | -- |
| The Teubner Foundation | 4 |
| Three Strand Education Foundation Inc. | -- |
| Tiny Paws Kitten Rescue Inc. | -- |
| Town and Gown Theatre Inc. | 5 |
| Turning Point Ranch Foundation | 4 |
| University Heights Baptist Church Foundation Inc. | -- |
| Victory Tabernacle of Stillwater Oklahoma | -- |
| White Woods Retirement Campus Inc. | -- |
| Wildcard Missions International Inc. | -- |
| Word Generation Church | -- |
| Work Force Inc. | -- |
| Young Mens Christian Association Stillwater | -- |