| Business | Phone |
| B & B Feeders Bertha Farm, Bertha 56437 | (218) 924-2520 |
| Bertha Maintenance Shop 90 Cherry St Ne, Bertha 56437 | (218) 924-4453 |
| Blank & Blank 212 1st Ave Ne, Bertha 56437 | (218) 924-2885 |
| Ets Sales & Svc 126 2nd Ave Sw, Bertha 56437 | (218) 924-4320 |