Contents:
- RCA
- Real Time Control Ltd
- Recognition Equipment Inc
- Redifon
- Regnecentralen
- Reliable Electric Co
- Reuters
- RHM Management Services
- Rixon Inc
- RochfordThompson Group
- Rockwell International
- Rotaprint Ltd
- RUF Computers (UK) Ltd
- Sagem
- Saggicorn Electronics Ltd
- Sanders Data Systems
- SB Electronic Systems
- Scandata Corporation
- ScanOptics
- Scicon Ltd
- Scientific Micro Systems
- Scope Data Systems Ltd
- Scottish Instrument International
- SCS Remcom Corporation
- SDSI Peripherals Ltd
- Sealectro Ltd
- Secured Computer Group
- SE Laboratories (EMI) Ltd
- SEL Computers Ltd
- Select Business Equipment