| 0026R-371 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 22182-0330 | U1841 | IRL THERMAL SYSTEMS LTD |
| 30-298-122-06 | K5294 | GE AVIATION SYSTEMS LIMITED |
| 48171-724-7 | K4547 | SIEMENS AIR TRAFFIC MANAGEMENT |
| 539544 | U1278 | MINISTRY OF DEFENCE NAVY |
| 742-700-0392 | K6984 | DEFENCE LOGISTICS AGENCY |
| 7980-0265-008 | K0377 | GOODRICH ACTUATION SYSTEMS LIMITED |
| 7980-0265-008 | K0655 | LUCAS AEROSPACE LTD ELECTRONIC SYSTEMS & EQUIPMENT DIV |
| 9429654 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| B01700 | K0967 | MBDA UK LTD |
| B03820 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BO3820 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BO3820 | L6427 | MOBILE VALVE REPAIRS |
| DSR150-4 | K1037 | MEGGITT AEROSPACE LIMITED |
| E | K7766 | BRITISH STANDARDS INSTITUTION |
| NK7060 | K4358 | SAFRAN ELECTRICAL & POWER UK LTD |
| SP14-E | K7766 | BRITISH STANDARDS INSTITUTION |
| SP141SSUE1AMEND2 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP14E | 52096 | ROLLS-ROYCE INC |
| SP14E | K0378 | ROLLS-ROYCE PLC |
| SP14E | K7766 | BRITISH STANDARDS INSTITUTION |