| Business | Phone |
| County Recorder 607 W Main St, Marshall 56258 | (507) 537-6722 |
| Extension Office 607 W Main St, Marshall 56258 | (507) 537-6702 |
| Highway Repair Shop 500 Fairgrounds Rd, Marshall 56258 | (507) 537-6754 |
| Lyon County Adm 607 W Main St, Marshall 56258 | (507) 537-6980 |
| Lyon County Dac 1701 E College Dr, Marshall 56258 | (507) 537-7018 |
| Lyon County Diversion Program 607 W Main St, Marshall 56258 | (507) 537-6744 |
| Lyon County Office 504 Fairgrounds Rd, Marshall 56258 | (507) 532-8200 |
| Veterans Service Officer 607 W Main St, Marshall 56258 | (507) 537-6729 |