| Business | Phone |
| Marathon Cnty Medical Examiner 500 Forest St, Wausau 54403 | (715) 261-1199 |
| Marathon Cnty Register-Probate 500 Forest St, Wausau 54403 | (715) 261-1260 |
| Marathon County Adm 500 Forest St, Wausau 54403 | (715) 261-1400 |
| Wisconsin Valley Fair 1201 Stewart Ave, Wausau 54401 | (715) 261-1539 |
| Marathon County Building Mntnc 1308 West St, Wausau 54401 | (715) 261-6980 |
| Marathon County Co-Op Ext Svc 212 River Dr, Wausau 54403 | (715) 261-1230 |
| Marathon County Co-Op Ext Svc 500 Forest St, Wausau 54403 | (715) 261-1230 |
| Marathon County Collection 500 Forest St, Wausau 54403 | (715) 261-1132 |
| Marathon County Corp Counsel 500 Forest St, Wausau 54403 | (715) 261-1140 |
| Marathon County Dhia 500 Forest St, Wausau 54403 | (715) 261-1121 |
| Marathon County Emergency Govt 500 Forest St, Wausau 54403 | (715) 847-5226 |
| Marathon County Employment 364 Grand Ave, Wausau 54403 | (715) 261-7700 |
| Marathon County Information 500 Forest St, Wausau 54403 | (715) 261-1000 |
| Marathon County Juvenile Clerk 500 Forest St, Wausau 54403 | (715) 261-1265 |
| Marathon County Juvenile Fclty 7025 Packer Dr, Wausau 54401 | (715) 261-1730 |
| Marathon County Land Cnsrvtn 210 River Dr, Wausau 54403 | (715) 261-6000 |
| Marathon County Law Clerk 500 Forest St, Wausau 54403 | (715) 261-1320 |
| Marathon County Employee Rsrcs 500 Forest St, Wausau 54403 | (715) 261-1451 |
| Marathon County Planning Dept 210 River Dr, Wausau 54403 | (715) 261-6040 |
| Marathon County Register-Deeds 500 Forest St, Wausau 54403 | (715) 261-1470 |
| Marathon County Risk Mgmt 500 Forest St, Wausau 54403 | (715) 261-1180 |
| Marathon County Small Claims 500 Forest St, Wausau 54403 | (715) 261-1310 |
| Marathon County Surveyor 210 River Dr, Wausau 54403 | (715) 261-6025 |
| Marathon County Traffic Div 500 Forest St, Wausau 54403 | (715) 261-1270 |
| Marathon County Veterans Svc 212 River Dr, Wausau 54403 | (715) 261-1141 |
| Marathon County Volunteer Ctr 407 Grant St, Wausau 54403 | (715) 261-6670 |