Law Enforcement Agencies in Plymouth, IN IN › Marshall County Agencies serving the city of Plymouth in IN. Agency Types in Plymouth Campus Police 1 agencies Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Plymouth, IN Ancilla College of Marian Univ Marshall County Marshall County Coroners Office Marshall County Marshall County Jail Marshall County Marshall County Sheriffs Department Marshall County Plymouth Police Department Marshall County
