Bombardier Inc. is a manufacturer of transportation equipment, such as business and commercial aircraft, aircraft structural components and rail transportation equipment and systems, and is a provider of related services. The Company operates through four segments: Business Aircraft, Commercial Aircraft, Aerostructures and Engineering Services, and Transportation. Its Business Aircraft segment is engaged in design, manufacture and aftermarket support for Learjet, Challenger and Global jets. Its Commercial Aircraft segment designs and manufactures a portfolio of commercial aircraft in the 60- to 150-seat categories, such as turboprops, regional jets and mainline jets. Its Aerostructures and Engineering Services designs and manufactures aircraft structural components, and provides aftermarket component repair and overhaul, and other engineering services. Its Transportation offers rail solutions, ranging from complete trains to sub-systems, services, system integration and signaling.