| Business | Phone |
| Trimont City Clerk's Office 41 2nd Ave Nw, Trimont 56176 | (507) 639-2060 |
| Trimont Community Building 41 2nd Ave Nw, Trimont 56176 | (507) 639-5521 |
| Trimont Sewage Disposal Plant 300 7th Ave Ne, Trimont 56176 | (507) 639-5471 |
| Trimont Sewage Disposal Plant 41 2nd Ave Nw, Trimont 56176 | (507) 639-5471 |