| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANSWERTREE LTD | 14567441 | 01/06/2024 | Gold |
| GABBRO PRECISION HOLDINGS LIMITED | 06451211 | 06/02/2009 | Dissolved |
| GABBRO PRECISION LIMITED | 05744593 | 29/10/2009 | Dissolved |
| HLW 227 LIMITED | 05053995 | 29/10/2009 | Dissolved |
| HLW 235 LIMITED | 05173142 | 29/10/2009 | Dissolved |
| MC 497 LIMITED | 07987350 | 16/05/2012 | Dissolved |
| MC 498 LIMITED | 08036733 | 16/05/2012 | Dissolved |
| SHERMAN WALKER LTD. | 04539382 | 19/09/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANCON SPECIAL ALLOY STEELS LIMITED | 01350389 | 29/10/2009 | 06/09/2017 | Silver |
| CASTLECARE GROUP LIMITED | 05094462 | 01/07/2008 | 01/12/2014 | Silver |
| ENGINEERING SPECIAL STEELS LIMITED | 02760491 | 29/10/2009 | 06/09/2017 | Silver |
| ESS STEELS GROUP LIMITED | 04139040 | 29/10/2009 | 06/09/2017 | Silver |
| FOUNTAINS LIMITED | 02391409 | 09/10/2008 | 03/09/2009 | Dissolved |
| G4S HOLDINGS INTERNATIONAL (AG) LIMITED | 04931893 | 17/12/2007 | 13/06/2008 | Bronze |
| MIDLAND PRECISION LIMITED | 02864637 | 06/02/2012 | 29/03/2019 | Dissolved |
| MINT LLANTRISANT PLC | 05495920 | 26/04/2006 | 12/10/2007 | Not Trading |
| NPL 1997 LIMITED | SC178677 | 08/10/2009 | 29/03/2019 | Bronze |
| SDB OLDCO LIMITED | 02348148 | 29/10/2009 | 06/09/2017 | Dissolved |
| SPECIAL ALLOY STEELS LIMITED | 03636369 | 29/10/2009 | 06/09/2017 | Dissolved |
| WHL 2013 HOLDINGS LIMITED | 08758468 | 23/12/2013 | 15/11/2016 | Dissolved |
| WHL 2013 LIMITED | 08764183 | 23/12/2013 | 15/11/2016 | Dissolved |