aerospace

Embraer, the Empresa Brasileira de Aeronáutica S.A., is a Brazilian aerospace conglomerate. The company produces commercial, military, and corporate aircraft, as well as providing related aerospace services. From 1999 to 2001 it was Brazil's largest exporter and is one of the three main exporters in Brazil. Among all aircraft manufacturers, it currently has the third largest yearly delivery of commercial aircraft (behind Boeing and Airbus) and the fourth largest workforce (behind Boeing, Airbus and Bombardier).

Founded in 1969, Science Applications International Corp. (SAIC) is a major intelligence, military, aerospace, engineering and systems contractor. It is involved in defense/military (DoD), intelligence community, and homeland security contracting, as well as selected commercial markets.

According to the company Boeing is "the world's leading aerospace company and the largest manufacturer of commercial jetliners and military aircraft combined. Boeing designs and manufactures rotorcraft, electronic and defense systems, missiles, satellites, launch vehicles and advanced information and communication systems. As a major service provider to NASA, Boeing operates the Space Shuttle and International Space Station. ... Boeing has customers in more than 90 countries around the world and is one of the largest U.S.