| Business | Phone |
| Marshall Commissioner's Office 112 W Jefferson St # 205, Plymouth 46563 | (574) 935-8510 |
| Marshall Cooperative Extension 112 W Jefferson St # 304, Plymouth 46563 | (574) 935-8545 |
| Marshall County Coroner's Office Plymouth 46563 | (574) 936-0246 |
| Marshall County Family & Child 1850 Walter Glaub Dr, Plymouth 46563 | (574) 935-4046 |
| Marshall County Highway Garage 9675 King Rd, Plymouth 46563 | (574) 935-2181 |
| Marshall County Planning Comm 112 W Jefferson St # 302, Plymouth 46563 | (574) 935-8540 |
| Marshall County Shady Rest Hm 10924 Lincoln Hwy, Plymouth 46563 | (574) 935-2635 |
| Marshall County Small Claims 211 W Madison St, Plymouth 46563 | (574) 935-8706 |
| Marshall County Surveyor's Ofc 112 W Jefferson St # 301, Plymouth 46563 | (574) 935-8530 |
| Marshall County Traffic 211 W Madison St, Plymouth 46563 | (574) 935-8703 |
| Marshall County Veteran Svc 112 W Jefferson St, Plymouth 46563 | (574) 935-8543 |
| Marshall County Victim Asstnc 211 W Madison St, Plymouth 46563 | (574) 935-8609 |
| Marshall Recorders Office 112 W Jefferson St # 201, Plymouth 46563 | (574) 935-8515 |
| Marshall Voter Registration 211 W Madison St, Plymouth 46563 | (574) 935-8713 |