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| 2006-046 | U3755 | MARCONI AVIONICS LTD |
| 4001125 | K0385 | THALES UK LIMITED DBA THALES UK LTDAVIONICS |
| 41411087-620 | K6571 | BULL INFORMATION SYSTEMS LIMITED |
| 3080703 | U2096 | EBAC LIMITED |
| 22461-10428 | U6682 | LEONARDO UK LTD |
| 938320-04020 | K0268 | RAYTHEON SYSTEMS LIMITED |
| 47432-168-00-4 | K4556 | BRITISH AEROSPACE DEFENCE SYSTEMS LTD T/A BAE SYSTEMS |
| 650-20420 | K5722 | S B D CONSTRUCTION LTD |
| 922362 | K8997 | RACAL RADIO LTD |
| 47432-168-00-4 | KC1M9 | BAE SYSTEMS MARITIME SERVICESLIMITED |
| 9731139 | U0434 | MORGANITE ELECTRONIC INSTRUMENTS LTD |
| 660-04-812104-220-92 | U2982 | BAE SYSTEMS DEFENCE SYSTEMS LTD |
| 660-04-812304-120-93 | U2982 | BAE SYSTEMS DEFENCE SYSTEMS LTD |
| DEFSTAN53-35 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS4183-TABLE 4 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCPNSL04-0X020CR4000NT | K9090 | MINISTRY OF DEFENCE |
| FV909301 ITEM 46 | U0795 | QINETIQ |
| D04302 | U2180 | RACAL COMSEC LTD |
| 991/4/01737/060 | U2982 | BAE SYSTEMS DEFENCE SYSTEMS LTD |