Law Enforcement
- Audrain County Sheriff’s Office
- Farber Police Department
- Martinsburg Police Department
- Mexico Public Safety Department
- Vandalia Police Department
Fire Service
- Farber Fire Department
- Laddonia Fire Department
- Little Dixie Fire Protection District
- Martinsburg Fire Department
- Mexico Public Safety Department
- Vandalia Fire Department
Emergency Medical Services
- Audrain Ambulance District
- Van-Far Ambulance District
