| Name | Deductibility Code |
| 3d Athletics Inc. | 4 |
| Bibliographic Association of Red River Inc. | -- |
| Blm of Brownwood Inc. | -- |
| Boys & Girls Club of Denison Inc. | -- |
| Children at Promise | -- |
| Community Services Network Inc. | -- |
| Community Youth Center of Denison | -- |
| Concerned Citizens of Denison Texas | -- |
| Davis Family Foundation | 4 |
| Denison Athletic Booster Club Inc. | -- |
| Denison Community Foundation | -- |
| Denison Community Housing Corporation | 4 |
| Denison Community Investment Corp | -- |
| Denison FFA Booster Club Inc. | -- |
| Denison Helping Hands | -- |
| Denison Heritage Inc. | -- |
| Denison High School Cheerleader Booster Club Inc. | -- |
| Denison Housing Development Corporation | -- |
| Denison Isd Education Foundation Inc. | -- |
| Denison Jaycees | -- |
| Denison Lions Club Charities Inc. | -- |
| Denison Performing Arts Inc. | -- |
| Denison Pocket Parks Inc. | -- |
| Denison Public Library Endowment Fund | -- |
| Denison Rotary Club Organ Transplant Foundation | -- |
| Denison Senior Citizens Center | -- |
| Denison Service League | -- |
| Denison Sister Cities | -- |
| Denison Youth Sports Association | -- |
| Dension Arts Council | -- |
| Disabled American Sportsmen | -- |
| Downtown Improvement Company of Denison Tex | -- |
| Faith Video Ministries Inc. | 3 |
| Fathers Heart Ministry Inc. | 4 |
| First Baptist Church | -- |
| Glory Riders Christian Ministry | -- |
| Good News Enterprises Inc. | -- |
| Gospel Country Ministries Inc. | -- |
| Grayson County College Foundation Inc. | -- |
| Grayson County Frontier Village Inc. | -- |
| Grayson County Music Teachers Association | -- |
| Grayson County Shelter | -- |
| Greater Texoma Health Clinic | -- |
| Hands of Hope Inc. | -- |
| I & S Coaching | -- |
| Institute of Academic Studies | -- |
| Jack & Jill Day Care Center,inc | -- |
| Kids Pantry | -- |
| Lamar Elementary Pto | -- |
| Landmark Covenant Church | -- |
| Loy Park Improvement Association | -- |
| Mayes Teacher Parent Association | -- |
| Meadows of Wesley Village | -- |
| Mexico Ministries Inc. | -- |
| Mr & Mrs Charles H Jones Library Tr | 4 |
| Mulligans for Life Inc. | -- |
| New Beginning Fellowship | -- |
| North Texas Association for Healthcare Quality | -- |
| Old Trestle K-9 Recue Shelter | -- |
| Park Avenue Church of Christ | -- |
| Perrin Air Force Base Museum | -- |
| Project Crosswalk Inc. | -- |
| Red River Air Search and Rescue | -- |
| Red River Railroad Museum | -- |
| River of Life Full Gospel Church | -- |
| Springtime Ministries Inc. | -- |
| St. Lukes School Endowment Fund | -- |
| Street Orphans International | -- |
| Suman-Mitchell-Jones Charitable Tr | 4 |
| Texoma Concert Association Inc. | -- |
| Texoma Council of Texas Assn for Children With Learning Disabilitie | -- |
| Texoma Healthcare Systems Inc. | -- |
| Texoma Medical Center Foundation | -- |
| Texoma Medical Center Inc. | -- |
| The Hendrix Cemetery Association Sherman Texas | 6 |
| The Red River Valley Chapter of the Military Vehicle Preservation Asso | -- |
| Tri County Senior Nutrition Project Incorporated | -- |
| United Methodist Retirement Home Sherman McKinney District Inc. | -- |
| Victory Life Academy Inc. | -- |
| Victory Life of Brownwood Inc. | -- |
| Waples Memorial Methodist Church | -- |
| West Africa Fistula Center Foundation | -- |
| Willis Observatory Inc. | -- |
| Zoe Life Outreach Incorporated | -- |