Horton Automatics located in Corpus Christi, Texas, developed and sold the first automatic sliding door in America in 1960. Company co-founders Dee Horton and Lew Hewitt invented the sliding automatic door in 1954.

Their doors meet or exceed the exit requirements for every major code in the United States, as well as providing compliance for the Americans with Disabilities Act (ADA) and Metro-Dade. Every automatic entrance manufactured by Horton Automatics is treated as a special custom order.