| Business | Phone |
| Fair Grounds Ada 56510 | (218) 784-4984 |
| Farm Service Agency 10 E 2nd Ave S, Ada 56510 | (218) 784-4000 |
| Multi-County Nursing Svc 16 3rd Ave E, Ada 56510 | (218) 784-7499 |
| Norman County Asc 211 W Main St, Ada 56510 | (218) 784-3061 |
| Norman County Deputy Registrar 16 3rd Ave E, Ada 56510 | (218) 784-5481 |
| Norman County Extension Svc 16 3rd Ave E # 101b, Ada 56510 | (218) 784-7183 |
| Norman County Garage 814 E Main St, Ada 56510 | (218) 784-4726 |
| Norman County Meeting Room Ada 56510 | (218) 784-7411 |
| Norman County Recycling Ctr 104 Park St, Ada 56510 | (218) 784-2102 |
| Norman County Treasurer's Ofc 16 3rd Ave E, Ada 56510 | (218) 784-5473 |
| Norman County Veterans Svc Ofc 16 3rd St E, Ada 56510 | (218) 784-5494 |