Air France-KLM is a France-based holding company, which holds Air France and KLM. Through its subsidiaries, Co. is primarily engaged in providing scheduled and charter domestic and international air transportation for passengers and cargo. Co.'s three core businesses are: passenger transport, cargo transport, and aircraft maintenance services. Co. also provides aircraft and engine maintenance, ground handling, training and other services to airlines and other customers. Co. is also engaged in other travel-related activities, including the sale of leisure travel products, hotel accommodation, airline catering, marketing automation systems, pilot training and aircraft maintenance.