| 032PS-013 | U9124 | MINISTRY OF DEFENCE, CODE RESERVED FOR THE USE OF UKNCB/CODIFICATION |
| 40875-000 | U7887 | NP AEROSPACE LIMITED |
| BS113 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-113 | K7766 | BRITISH STANDARDS INSTITUTION |
| 70-80-726 | U4542 | SUPACAT LIMITED |
| 7649 | U4780 | TUBE GEAR LTD |
| BSM48-113 | K7766 | BRITISH STANDARDS INSTITUTION |
| ORC-23-517 | KC050 | HOLYHEAD MARINE SERVICES LTD |