Vencore was begotten out of The SI Organization which was begotten from Lockheed Martin which itself was the spawn of the union of Martin Marietta and Lockheed, and Martin Marietta bought GE Aerospace which was the ancestor of the main portion of... — read more 

Vencore is long gone. It has morphed into other companies including Peraton, Arcfield, and who knows what other bits have been sliced off.