Airport Terminal Services, Inc. provides aviation ground services in the United States and Canada. It offers passenger services, including passenger check-in and ticketing, passenger boarding, VIP lounge staffing, and baggage services/lost and found; and ramp handling, such as aircraft loading and unloading, aircraft marshalling, aircraft pushback, aircraft fueling, and aircraft deicing. The company also provides aircraft cabin cleaning; cargo services, including aircraft loading and unloading, warehouse functions, and document processing; and into-plane fueling and fuel farm management services. It has locations in Baltimore, Birmingham, Burbank, Calgary, Charleston, Charlotte, Cincinnati, Dallas, Des Moines, Edmonton, Ft. Lauderdale, Ft. Myers, Huntsville, Las Vegas, Louisville, Mascoutah, McAllen, Minneapolis, Omaha, Palm Beach, Palm Springs, Phoenix, Portland, Providence, Regina, Reno, San Diego, San Jose, Santa Ana, Saskatoon, Sioux Falls, and Washington, the United States; and Winnipeg, Vancouver, Toronto, and Ontario, Canada. The company was founded in 1975 and is based in St. Louis, Missouri.