Raytheon

Raytheon is a major US defense contractor and industrial company. Its core manufacturing industry is concentrated in the military and commercial electronics fields.Raytheon was established in 1922, re-established in 1928, and changed its name to its current name in 1959. The company has …

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Northrop Grumman

Northrop Grumman (Northrop Grumman) is an American global aerospace and defense technology company reorganized by Northrop Grumman after its acquisition of Grumman in 1994. It is headquartered in West Falls Church, Virginia.Northrop Grumman was named the fifth largest defense contractor …

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Leidos

Leidos is a US defense company separated from Scientific Applications International, headquartered in Reston, Virginia. The company mainly provides scientific, engineering, system integration and technical services.Leidos customers include the US Department of Defense (the 4th Department…

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