Air Transport Services Group Inc provides aircraft leasing, airline operations, aircraft maintenance, and other air-related services. It supports delivery companies, freight forwarders, airlines, and government agencies. The services provided can be customized or bundled into a standardized solution. The company has two operating segments: ACMI Services (Aircraft, Crew, Maintenance, and Insurance), and CAM (Cargo Aircraft Management). ACMI segment constitutes majority of total revenues, owns multiple airlines, and contracts directly with customers to supply a combination of air transportation services. CAM segment leases aircraft globally for flights of varying distances. Approximately one-third of total revenue is derived from aircraft leases in non-United States countries.