Finmeccanica SpA is an Italy-based industrial holding company engaged in the sectors of aeronautics, helicopters, space, defense electronics, defense systems, energy transportation, and integrated systems. In the aeronautical sector, the Company produces military transport and combat aircraft and components for civil aircraft. In helicopters, it is involved in the production of rotorcrafts. In space, it is engaged in the manufacturing of satellites for military and civil use and of components for orbiting structures. In defense, is involved in the manufacturing of a range of systems, including missiles and radars, land and sea command and control, air traffic control, avionics equipment, land and underwater weapons and communication systems. In energy transportation is involved in the production of energy, rolling stock, signaling gear and urban transport systems. Its Subsidiaries include DRS Technologies, Alenia Aeronautica, Ansaldo STS, DRS Technologies, and Telespazio, among others.