| 1047S526 | U1605 | HONEYWELL AEROSPACE YEOVIL |
| 27233-009 | F9211 | L HOTELLIER |
| 28050-463-10 | K0162 | THALES UK LIMITED SECURE COMMUNICATIONS AND INFORMATION SYSTEMS |
| 27233-009 | K1536 | KIDDE GRAVINER LTD |
| 28050-463-10 | K2490 | THALES DEFENCE LTD |
| 2BK-506859/014 | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 58-1138 | K0100 | MEGGITT (UK) LIMITED |
| 3801-3116-001 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
| 59-3PT6 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| 620501046 | K1474 | PENNY & GILES AEROSPACE LIMITED |
| 52PTM00A0020 | K7253 | BOOKHAM TECHNOLOGY PLC |
| 53PTM00095A00 | K7253 | BOOKHAM TECHNOLOGY PLC |
| 5D3380 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 620501046 | U3389 | PENNY & GILES AEROSPACE LTD |
| 87810027 | K0233 | THALES OPTRONICS LIMITED |
| H2105B | K0536 | HARWIN PLC |
| H2105B-0 | K0536 | HARWIN PLC |
| H2105B01 | K0536 | HARWIN PLC |
| CA1232 | K0536 | HARWIN PLC |
| MA1232 | K0536 | HARWIN PLC |
| 703-9-98022-004 | K1423 | BRITISH AEROSPACE LAND & SEA SYSTEMS POST DESIGN SERVICES |
| 7317-708 | K1488 | BRITISH AEROSPACE PLC NAVAL AND ELECTRONIC SYSTEMS DIVISION |
| H2105B01 | K2223 | CABLE & WIRELESS U.K |
| ARL6051-4Y | K3861 | THALES SECURITY SYSTEMS UK LIMITED |
| 703PS67-1 | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 703PS67-1-1 | K3902 | BAE SYSTEMS MARITIME SERVICES |
| FH266-0003-004N | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 703-9-98022-004 | K7785 | ZARLINK SEMICONDUCTOR LIMITED |
| 703-4-98022-004 | K7785 | ZARLINK SEMICONDUCTOR LIMITED |
| BLB637077/1 | U0153 | MARCONI SPACE SYSTEMS LTD |
| PC77042-1 | K0668 | LEONARDO UK LTD |
| ST27219 | K0967 | MBDA UK LTD |
| SK7317-708 | K1488 | BRITISH AEROSPACE PLC NAVAL AND ELECTRONIC SYSTEMS DIVISION |
| S8-02-0265 | K2525 | THALES AIR DEFENCE LTD |
| S8-02-265 | K2525 | THALES AIR DEFENCE LTD |
| PC77042-1 | U2248 | SELEX ELSAG LTD |
| PT1156-3-820156 | U4433 | G E C MARCONI SECURE SYSTEMS LTD |