Founded in 1989, Jet Support Services, Inc. (JSSI) is the world's largest independent provider of hourly cost maintenance programs for aircraft engines and airframes. JSSI provides its clients with comprehensive, flexible and affordable financial tools for managing the often unpredictable costs of operating and maintaining nearly all types of turbine-powered aircraft, including jets, turbo-props and helicopters. JSSI serves clients around the world by managing maintenance services through its international network of Technical Advisors.