Contents:
- Amplicon Electronics Ltd
- Analac
- Analog Devices Inc.
- Ancom Ltd
- Anderson Jacobson Ltd
- Apple Computer Inc.
- Applied Data Systems
- Applied Dynamics
- Apricot Computers plc
- APT Electronics
- Arbat (UK) Ltd
- ASEA Ltd
- Aspen Electronics
- Aston Electronic Developments Ltd
- Astralux Dynamics
- Atlantic Research Corporation
- AtvidabergFacid
- Automated Library Systems Ltd
- Automatic Business Machines Ltd
- Automated Input Systems
- Automation & Technical Services
- Barbel
- Borboletta
- Bardata Systems
- Base Ten Systems
- BASF