| 25P CLOO 400 BHO | K2193 | S T C TELECOMMUNICATIONS LTD |
| 26TA4722 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 5SA1415-20 | K0361 | THORN E M I ELECTRONICS LTD |
| 6SS4935 | K1017 | BAE SYSTEMS (OPERATIONS) LTD |
| 915-4-98369-002 | K4547 | SIEMENS AIR TRAFFIC MANAGEMENT |
| 42511-116-8 | K4547 | SIEMENS AIR TRAFFIC MANAGEMENT |
| M1P71003 | K0433 | TRESCAL LIMITED |
| N3 | K0720 | HELLERMANNTYTON LTD |
| PT5562-4-819118-002 | K0835 | QINETIQ LTD |
| B07148 | K0967 | MBDA UK LTD |
| DRS813G | K1384 | RACAL RADAR DEFENCE SYSTEMS LTD |