| | Andeen-Hagerling Inc (Solon, OH) Electronic measuring equipment | |
| | Applied Innovation Inc (Dublin, OH) Electronic data PBX systems, telecommunications network management systems & switching equipment | |
| | Applied Instruments Inc (Indianapolis, IN) Electronic test equipment | |
| | Automated Contract Assembly (Fraser, MI) Electronic components & subassemblies, electrical equipment for industrial combustion engines & industrial apparatus | |
| | Automated Productions Systems (Huntingdon Vly, PA) Electronic assembling, surface mount processing, screen printing & lead cutting & forming equipment | |
| | B A I Systems Inc (Levittown, PA) Electronic components, television systems, equipment & parts | |
| | Beta Industries Inc (Kettering, OH) Special custom electromechanical equipment, electrical & wiring assemblies, prototypes, test systems, electronic assembly, machining & grinding | |
| | Bowl-Tronics Enterprises Inc (Elgin, IL) Electronic bowling equipment | |
| | Cable Converter Services Corp (Spencer, IN) Electronic cable converter & line equipment rebuilding & repairing | |
| | Cabtron Systems Inc (Northbrook, IL) Manufactures metal cabinets for electronic equipment | |
| | Cito Products Inc (Watertown, WI) Electromechanical & artificial insemination equipment & electronic molds | |
| | Cobalt Tool & Manufacturing (Villa Park, IL) Specialty machinery & electronic testing equipment | |
| | Communications Test Design Inc (West Chester, PA) Electronic test equipment & telephone repair equipment | |
| | Component InterTechnologies (Hadley, PA) Electronic components & equipment | |
| | Container Research Corp (Glen Rdl Lima, PA) Prototypes, communications equipment electronic racks & enclosures, aircraft ground support equipment, aluminum & steel reusable specialty containers | |
