The Boeing Company is the world's leading aerospace company, with its heritage mirroring the history of flight. It is the largest manufacturer of satellites, commercial jetliners, and military aircraft. The company is also a global market leader in missile defense, human space flight, and launch services.
DRS Power & Control Technologies provides advanced power and control solutions, specializing in defense and aerospace sectors, based in Milwaukee, WI, USA.
Lockheed Martin is a leading aerospace and defense company specializing in aeronautics, missiles, fire control, rotary and mission systems, space, and maritime systems.
Whittaker Electronic Systems, a division of Whittaker Corporation in Simi Valley, California, designs and manufactures fire and smoke detection systems, rate-of-climb instrumentation, and fluid control devices for commercial and military aircraft.