15 : Avionics companies|Computer hardware companies|Defense companies of the United States|Defunct computer companies of the United States|Defunct manufacturing companies of the United States|Manufacturing companies based in New York (state)|Companies based in Nassau County, New York|American companies established in 1959|Manufacturing companies established in 1959|Technology companies established in 1959|Manufacturing companies disestablished in 1995|Technology companies disestablished in 1995|1959 establishments in New York (state)|1995 establishments in New York (state)|Defunct companies based in New York (state)