SPERRY CORP. Revenues: $5.6 billion Earnings: $221.8 million Earnings per share: $5.25 Shares outstanding: 42.9 million Employes: 88,700 Total assets: $5.3 billion

Sperry Corp., based in New York, is a diversified maker and supplier of computers, computer equipment and software. It also makes aircraft and ship control and navigation systems, flight and ship simulators, agricultural equipment and fluid-power systems used in heavy industrial equipment. COMPUTER SCIENCES CORP. Revenues: $630.2 million Earnings: $17.8 million Earnings per share: $1.27 Shares outstanding: 13.4 million Employes: 13,900 Total assets: $319.3 million

Computer Sciences Corp., based in El Segundo, Calif., designs and assembles computer systems and does associated engineering, maintenance and training. It also offers a variety of other computer services, including a computer information network, Infonet. BURROUGHS CORP. Revenues: $3.4 billion Earnings: $148.9 million Earnings per share: $3.58 Shares outstanding: 42 million Employes: 66,900 Total assets: $4.4 billion

Burroughs Corp., based in Detroit, is a diversified maker of high-technology products from silicon chips to computers. It also produces business machines and forms, and its Memorex subsidiary produces memory systems and magnetic tape for computer, audio and video applications. PLANNING RESEARCH CORP. Revenues: $324.1 million Earnings: $7.1 million Earnings per share: $1.04 Shares outstanding: 6.8 million Employes: 6,200 Total assets: $146.9 million

Planning Research Corp., based in McLean, offers a variety of professional services, chiefly computer-based. It designs and assembles computer systems, operates computerized multiple-listing real-estate services, provides training, support and maintenance for computer systems, and does engineering and management of construction projects throughout the world.