| Business | Phone |
| Foster County Agent 1000 5th St N, Carrington 58421 | (701) 652-2581 |
| Foster County Register-Deeds 1000 5th St N, Carrington 58421 | (701) 652-2491 |
| Foster County Shop 1000 N Central Ave, Carrington 58421 | (701) 652-3926 |
| Foster County Veterans Svc 1000 5th St N, Carrington 58421 | (701) 652-2170 |