Contents:
- OLCI Europe
- OCR Scanda
- Office Services Swindon
- Olivetti
- Olympia International
- Optech Automation Ltd
- Ortech Ltd
- OTT (Germany)
- Oxford Electronic Instrument
- Oyez Stationery Ltd
- PA Computers & Telecommunic.
- Panellit Ltd
- PCA Data Processing Accessories
- PCD Ltd
- Penny & Giles Ltd
- Pericom Data Systems
- Peripheral Hardware Ltd
- Perkin Elmer Data/Interdata
- Pertec Peripheral Equipment
- Petbow Ltd
- PFC (Business Forms)
- Phillips