| Name | Deductibility Code |
| Cecilia W Jennings Foundation | 3 |
| Community Hospital Association of Southeast Kansas | -- |
| First Christian Church of Oswego Kansas | -- |
| Hallowell Community Church Inc. | -- |
| Labette County Fair Association | -- |
| Oswego Cemetery Association | 6 |
| Oswego Parks & Community Foundation | -- |
| Praxis Ethiopia Foundation | -- |
| West Side Homes Inc. | -- |