| 313PS5401 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD |
| 4 | U1584 | SOUTHCO UK LTD |
| 5SA4329-2 | K0361 | THORN E M I ELECTRONICS LTD |
| 41701245-001 | K6571 | BULL INFORMATION SYSTEMS LIMITED |
| 9500338 | U0434 | MORGANITE ELECTRONIC INSTRUMENTS LTD |
| 9500338.1 | U0434 | MORGANITE ELECTRONIC INSTRUMENTS LTD |
| B46814 | K0967 | MBDA UK LTD |
| 9609-106 | K1488 | BRITISH AEROSPACE PLC NAVAL AND ELECTRONIC SYSTEMS DIVISION |
| 999-4-01694-002 | K7785 | ZARLINK SEMICONDUCTOR LIMITED |
| N04 | U1584 | SOUTHCO UK LTD |