Bombardier is a multinational aerospace and transportation company. The Company is comprised of four business segments: Transportation; Business Aircraft; Commercial Aircraft; Aerostructures and Engineering Services. Bombardier Transportation produces a wide range of products including passenger rail vehicles, locomotives, bogies, propulsion, and controls. Bombardier Business Aircraft offers a line of business jets including Learjet, Challenger, and Global jets. Bombardier Commercial Aircraft aircraft designs and manufactures a portfolio of commercial aircraft including the Q400 turboprops, the CRJ Series family of regional jets, as well as the C Series mainline jets. Bombardier Aerostructures and Engineering Services specializes in the design and manufacture of complex metallic and composite aircraft structures and system components and provides aftermarket component repair and overhaul, as well as other engineering services.