Law Enforcement Agencies in Mcallen, TX TX › Hidalgo County Agencies serving the city of Mcallen in TX. Agency Types in Mcallen Airport Police 1 agencies Federal 5 agencies Municipal Police 1 agencies Probation Pretrial 1 agencies State Police 1 agencies All Agencies in Mcallen, TX Bureau of ATF Hidalgo County Homeland Security Investigations (HSI) Hidalgo County McAllen Miller International Airport Hidalgo County McAllen Police Department Hidalgo County Texas Department of Public Safety Hidalgo County US Border Patrol Hidalgo County US Border Patrol Hidalgo County US Probation & Pretrial Services Office Hidalgo County US Secret Service Hidalgo County
