The subject files and photographs series of the Hughes Electronics Corporation Records date from 1935-2003. This series contains subject files on the company history, some of its major technological developments, and its purchase by General Motors. Photographs in this series document Hughes developed technologies in use by NATO forces, development of the Galileo probe, the H-1 Racer, and communication satellites. Also in this series are files and photographs of the NASA Pioneer 10/Jupiter encounter.

The corporate communications series of the Hughes Electronics Corporation Records date from 1954 to 2001. This series contains press releases, typed executive speeches, press kits, handbooks for the news media, communication guidelines, and a list of public relations managers.