Law Enforcement Agencies in Pecos, TX TX › Reeves County Agencies serving the city of Pecos in TX. Agency Types in Pecos Coroners 3 agencies County Jails 1 agencies Municipal Police 1 agencies Probation Pretrial 1 agencies Sheriff 1 agencies All Agencies in Pecos, TX Office Of The Reeves County Justice of the Peace Reeves County Office Of The Reeves County Justice of the Peace Reeves County Office Of The Reeves County Justice of the Peace Reeves County Pecos Police Department Reeves County Reeves County Correctional Facility Reeves County Reeves County Sheriffs Office Reeves County US Probation & Pretrial Services Office Reeves County