| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CENTRELESS CONVEYORS LIMITED | 06349667 | 21/08/2007 | Dissolved |
| ET2-REVOLUTION LIMITED | 05348805 | 01/02/2005 | Dissolved |
| SPIROTECH GLOBAL HOLDINGS LTD | 05363884 | 14/02/2005 | Silver |
| SPIROTECH SCOTLAND LIMITED | SC440085 | 11/01/2013 | Dissolved |
| SPIROTECH SRD GROUP LIMITED | 05021065 | 01/02/2005 | Silver |
| SPIROTECH YORK LIMITED | 09831916 | 20/10/2015 | Silver |
| SRD FABRICATIONS LLP | OC355969 | 25/06/2010 | Dissolved |
| SRD PLUMBING AND HEATING LIMITED | 07688227 | 30/06/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENVIRONMENTAL TECHNOLOGY (UK) LTD | 05363886 | 14/02/2005 | 01/07/2009 | Bronze |