Law Enforcement Agencies in Texarkana, AR AR › Miller County Agencies serving the city of Texarkana in AR. Agency Types in Texarkana Adult Institutions 1 agencies Airport Police 1 agencies Coroners 1 agencies County Jails 1 agencies Federal 1 agencies Probation Pretrial 1 agencies Sheriff 1 agencies All Agencies in Texarkana, AR Homeland Security Investigations (HSI) Miller County Miller County Detention Center Miller County Miller County Sheriffs Office Miller County Office of the Miller County Justice of the Peace Miller County SW Arkansas Community Corrections Center Miller County Texarkana Regional Airport Miller County US Probation & Pretrial Services Office Miller County
