| | Reliable Systems Services Corp (Melbourne, FL) Communication, telemetry & video telemetry tracking systems; automated testing & electronic warfare equipment | |
| | Reptron Manufacturing Services (Gaylord, MI) Electronic equipment & printed circuit board assembly | |
| | Rockwell International Corp (Milwaukee, WI) Automotive parts, electronic components, aircraft parts & printing presses, automation equipment, avionics, modems, guidance & space surveillance systems | |
| | RPI Inc (Franksville, WI) Custom electrical, electronic & mechanical assembly; stress screening equipment & fixturing | |
| | Sciaky Inc (Chicago, IL) Automatic welding equipment, electronic controls, heat treating equipment & robotic arc welding systems | |
| | Sensormatic Electronics Corp (Boca Raton, FL) Electronic article surveillance equipment, anti-shoplifting devices, closed circuit & card accessories systems | |
| | Solectron Georgia Inc (Suwanee, GA) Electronic products, terminals, scanners & computer peripheral equipment | |
| | Spacelabs Burdick (Deerfield, WI) Electronic medical equipment | |
| | Spang & Co (Pittsburgh, PA) Electronic components, power control equipment & specialty metals | |
| | Strainoptic Technologies Inc (North Wales, PA) Electronic stress measurement equipment & optical instruments | |
| | Surgical Laser Technologies (Montgomeryville, PA) Medical devices & surgical equipment; electronic assembling | |
| | Triplett Corp (Bluffton, OH) Electrical panel meters & electronic test equipment | |
| | Ultra-Tech Enterprises Inc (Punta Gorda, FL) Electronic testing equipment | |
| | Unisys Corp (Blue Bell, PA) Electronic computing equipment: computers, printers, terminals & modems; computer programming & software services | |
| | Xetron Corp (Cincinnati, OH) Electronic & communications equipment | |
