| Business | Phone |
| Sewage Disposal Plant 1501 Sewer Plant Rd, Laurel 59044 | (406) 628-6474 |
| Laurel Building Dept 115 W 1st St, Laurel 59044 | (406) 628-4796 |
| Laurel City Finance Director 115 W 1st St, Laurel 59044 | (406) 628-7431 |
| Laurel Maintenance Shop 20 7th Ave, Laurel 59044 | (406) 628-4773 |
| Laurel Water Plant 802 Sewer Plant Rd, Laurel 59044 | (406) 628-4410 |