| GANTRIES | CANAL ENGINEERING LTD |
| KEE SAFETY LTD |
| NATIONAL CRADLE MAINTENANCE LTD |
| PIPEX LIMITED |
| POWER ACCESS SYSTEMS LTD |
| RAMSAY & SONS (FORFAR) LTD |
| SAS INTERNATIONAL LTD |
| TARMAC BUILDING PRODUCTS LTD |
| GANTRIES Bridge | CANAL ENGINEERING LTD |
| KEE SAFETY LTD |
| PIPEX LIMITED |
| POWER ACCESS SYSTEMS LTD |
| RAMSAY & SONS (FORFAR) LTD |
| TARMAC BUILDING PRODUCTS LTD |
| GANTRIES BS 6037 Part 2 | NATIONAL CRADLE MAINTENANCE LTD |
| POWER ACCESS SYSTEMS LTD |
| GANTRIES Mobile | CANAL ENGINEERING LTD |
| KEE SAFETY LTD |
| NATIONAL CRADLE MAINTENANCE LTD |
| POWER ACCESS SYSTEMS LTD |
| GANTRIES Motorised | POWER ACCESS SYSTEMS LTD |
| GANTRIES Permanent | CANAL ENGINEERING LTD |
| POWER ACCESS SYSTEMS LTD |
| GANTRIES Power Operated | POWER ACCESS SYSTEMS LTD |
| GANTRIES Purpose Made | CANAL ENGINEERING LTD |
| KEE SAFETY LTD |
| POWER ACCESS SYSTEMS LTD |
| RAMSAY & SONS (FORFAR) LTD |
| SAS INTERNATIONAL LTD |
| GANTRIES Steel | CANAL ENGINEERING LTD |
| KEE SAFETY LTD |
| POWER ACCESS SYSTEMS LTD |
| GANTRIES Travelling | KEE SAFETY LTD |
| POWER ACCESS SYSTEMS LTD |
