| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| LIGHT TRADES HOUSE LIMITED | 00365143 | 28/06/2001 | Dissolved |
| MPC (ENGINEERING) LIMITED | 05113442 | 01/11/2022 | One Red Flag |
| NYLACAST ENGINEERED PRODUCTS LIMITED | 06033691 | 01/11/2022 | Gold |
| R T W Ltd | 02971318 | 26/03/2003 | Dissolved |
| SUPER GRIP (UK) LIMITED | 03930413 | 01/11/2022 | Gold |
| VIVA NYLONS LIMITED | 08814278 | 01/11/2022 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ISIS GHH LIMITED | 01994747 | 01/12/2005 | 16/10/2013 | Dissolved |
| ISIS INFORMATICS LIMITED | 02352845 | 25/09/2008 | 31/08/2013 | Dissolved |
| JELD-WEN EUROPE LTD. | 03804742 | 31/07/2018 | 21/06/2022 | Bronze |
| JELD-WEN UK LIMITED | 00499622 | 31/07/2018 | 23/06/2022 | Bronze |
| JELD-WEN UK PENSION TRUSTEE LIMITED | 03914306 | 31/07/2018 | 13/05/2022 | One Red Flag |
| KENNAMETAL LOGISTICS UK LIMITED | 05441625 | 03/05/2005 | 13/02/2007 | Silver |
| KENNAMETAL MANUFACTURING UK LIMITED | 05440463 | 29/04/2005 | 13/02/2007 | Silver |
| KENNAMETAL UK LIMITED | 03425094 | 05/06/2001 | 13/02/2007 | Silver |
| THERMAL CERAMICS EUROPE LIMITED | 01476692 | 14/05/2015 | 26/01/2018 | Dissolved |
| THERMAL CERAMICS UK LIMITED | 00890443 | 14/05/2015 | 26/01/2018 | Bronze |
| WIDIA UK LIMITED | 00281890 | 19/12/2008 | 31/08/2013 | Dissolved |