| 62135 | K4629 | BOUGHTON ENGINEERING LIMITED |
| 6234 | K4339 | TEREX LIFTING UK LTD |
| BS331 | K0013 | HALL AND HALL LTD |
| BS1806-331 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-331 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS331 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |
| S737-34 | K4339 | TEREX LIFTING UK LTD |
| BW62135 | K4629 | BOUGHTON ENGINEERING LIMITED |