Boeing Company
Advanced technology manufacturer and systems developer
ITT Inc
An aerospace, transportation, energy and industrial engineering company
Lockheed Martin Corporation
Defense, aeronautics, and systems engineering company
Raytheon Company
Defense contractor; merged with UTC. Surviving company exists as a subsidiary of the renamed UTC, company, Raytheon Technologies
RTX
The world's second-largest aerospace-and-defense company
General Dynamics Corporation
Manufactures components, parts, systems for military and commercial aircraft
Northrop Grumman Corporation
Large American Defense Contractor
URS Corporation
Provider of engineering, construction and technical services for public agencies and private companies
DRS Technologies
Manufactures components, parts, systems for military and commercial aircraft
Computer Sciences Corporation
Provides IT services to industry and government