| Name | Deductibility Code |
| Americas Choice Community of Red Oak | -- |
| Auxiliary of Montgomery County Memorial Hospital | -- |
| Child Resource Center Inc. | -- |
| Corner Stone Life Foundation Inc. | -- |
| Experience Education | -- |
| Grace Baptist Church of Red Oak Iowa | -- |
| Iowa Religious Coalition for Reproductive Choice | -- |
| Montgomery County Family Young Mens Christian Association Inc. | -- |
| Montgomery County Historical Society | -- |
| Montgomery County Memorial Hospital Foundation | -- |
| Montgomery County Veterans Memorial Court of Honor | -- |
| Performing Arts & Education Association of Southwest Iowa Inc. | -- |
| Project Porchlight | -- |
| Red Oak Band Boosters | -- |
| Red Oak Community Playhouse Inc. | -- |
| Red Oak Community School District Foundation | -- |
| Red Oak Heritage Foundation | -- |
| Red Oak Scholarship Loan Fund | -- |
| Red Oak Tennis Association | -- |
| Red Oak Volunteer Fire & Rescue | -- |
| Reifel-Ellwood Education Trust | 4 |
| Save Our Depot Inc. | -- |
| Smoking Kills Education Awareness | -- |