| Name | Address, Zip |
| Mahnomen County Day Activities Center | Po Box 323, 56557-0323 |
| Mahnomen County Agricultural Society | Po Box 183, 56557-0183 |
| Community Resource Alliance | Po Box 253, 56557-0253 |
| White Earth Tribal And Community College Foundation | 2250 College Rd, 56557-9302 |
| White Earth Tribal And Community College | Po Box 478, 56557-0478 |
| Mahnomen Area Community Foundation Inc | 103 N Main St, 56557-4003 |
| Mahnomen Area Community Club | 104 W Madison Ave, 56557-4936 |
| Mahnomen Area Assisted Living Center Inc | 314 W Jefferson Ave, 56557-4908 |
| Mahnomen Area Parent Teacher Student Organization | Po Box 319, 56557-0319 |
| White Earth Reservation Veterans Association | 2219 College Rd, 56557-9303 |
| Bagosendaan | 2476 230th St, 56557-9034 |
| United States Bowling Congress Inc | Po Box 318, 56557-0318 |
| Mahnomen Service Center Inc | Po Box 477, 56557-0477 |
| St Michael Church Of Mahnomen | 120 W Jefferson Ave, 56557-4911 |
| Debwe Motorcycle Club Gaawababiganikaag | 3301 State Highway 200, 56557-9386 |
| Mahnomen Tribal Community Council | Po Box 373, 56557-0373 |
| Mahnomen County Historical Society | Po Box 123, 56557-0123 |
| Wild Rice Electric Trust | 502 N Main St, 56557-4302 |
| Helping Hands Emegergencey Services Inc | Po Box 182, 56557-0182 |
| Sah-kah-pay Indigenous Preservation Society | Po Box 96, 56557-0096 |
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