| Name | Deductibility Code |
| Belt Community Church Inc. | -- |
| Belt Golden-Agers | -- |
| Belt Public Schools Education Foundation | -- |
| Belt Swimming Pool Corporation | -- |
| Belt Theater Company | -- |
| Belt Volunteer Ambulance Service | -- |
| Betsileo Development | -- |
| Tom Williams Worldwide Ministries | -- |
| Valley Baptist Church of Belt Montana Inc. | -- |