| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BURNAND X. H. COMPONENTS LIMITED | 01432536 | 13/10/1991 | Gold |
| BXH HOLDINGS LIMITED | 10244091 | 21/06/2016 | Bronze |
| BXH LIMITED | 00680355 | 30/11/1991 | Gold |
| CRANE & HOIST LIMITED | 06428414 | 13/02/2009 | Gold |
| HLW 414 LIMITED | 01083754 | 30/11/1991 | Dissolved |
| INTERTOTAL PLC | 02729281 | 30/07/1992 | Dissolved |
| SCE INDUSTRIES HOLDINGS LIMITED | 10243914 | 21/06/2016 | Bronze |
| SCE INDUSTRIES LIMITED | 04741414 | 23/04/2003 | Gold |
| STREASON LIMITED | 00733435 | 02/08/2013 | Gold |
| STREET CRANE SERVICES LIMITED | 04061195 | 29/08/2000 | Not Trading |
| STREET CRANEXPRESS HOLDINGS LIMITED | 10244324 | 21/06/2016 | Gold |
| STREET CRANEXPRESS LIMITED | 07434115 | 05/01/2011 | Gold |
| STREET EXPRESS LIMITED | 04061200 | 29/08/2000 | Not Trading |
| VAUGHAN LIFT ENGINEERING LIMITED | 01154392 | 19/09/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GUARDIAN CRADLE MAINTENANCE LTD | 04948690 | 09/10/2008 | 21/10/2011 | Amber |
| GUARDIAN CRADLE SAFETY SERVICES LTD | 06679381 | 21/08/2008 | 03/11/2011 | Dissolved |
| INTEGRAL CRADLES LIMITED | 05123002 | 08/12/2005 | 31/03/2011 | Amber |
| SCE INDUSTRIES LIMITED | 04741414 | 23/04/2003 | 19/11/2007 | Gold |
| SCX SPECIAL PROJECTS HOLDINGS LIMITED | 10244072 | 21/06/2016 | 31/01/2020 | Gold |
| SCX SPECIAL PROJECTS LIMITED | 07434072 | 05/01/2011 | 31/01/2020 | Gold |