Airport Terminal Services, Inc. (ATS) is an aviation service provider with 48 locations across the the United States and Canada. Employing over 4,500 aviation professionals, ATS provides exceptional service to airline and airport partners. Services Include: Ramp Handling Customer Service Cabin Cleaning Aircraft Fueling De-icing Cargo Services VIP Travel Services Meet & Assist Services Airport Concierge Service Airline Lounge Services The company was founded in 1975 with headquarters based in St. Louis, Missouri.