Security Services go Results Found: 3 Button group with nested dropdown Harlingen Professional Firefighters A... Harlingen Professional Firefighters Association P.O. Box 534252 Harlingen TX 78553 Harlingen Police Department Harlingen Police Department 1018 Fair Park Blvd. Harlingen TX 78550 Smith Security Group Smith Security Group 621 S. Texas Blvd. Suite A Weslaco TX 78596 (956) 650-2624