Zenith Data Systems Corp., a subsidiary of Zenith Electronics Corp., received a $ 534 million for software and services of microcomputers over an 84-month period.
Rockwell International Corp. won a $ 130.7 million for AC-130U gunship replacement aircraft.
Martin Marietta Corp. was given a $ 29.9 million for low-altitude navigation and targeting equipment.
Federal Data Corp. got a $ 29.4 million for intelligence data handling.