| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GALVANIZERS ASSOCIATION | 02451923 | 31/01/2024 | Gold |
| JOSEPH ASH LIMITED | 00154773 | 30/01/2024 | Bronze |
| MEDWAY GALVANISING COMPANY LIMITED | 01808205 | 30/01/2024 | Bronze |
| PREMIER GALVANIZING LIMITED | 03873106 | 30/01/2024 | Amber |
| WIDNES GALVANISING LIMITED | 02206443 | 30/01/2024 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARRAN ISLE HOLDINGS LIMITED | 00109354 | 22/02/2008 | 01/02/2013 | One Red Flag |
| ARRAN ISLE LIMITED | 07044474 | 15/10/2009 | 01/02/2013 | Silver |
| AUSTIN REED LIMITED | 10200901 | 02/06/2016 | 31/08/2020 | Not Trading |
| BIRTLEY GROUP LIMITED | 00602575 | 01/09/2020 | 30/01/2024 | Silver |
| BORDER I.P. LIMITED | 09355275 | 02/06/2016 | 31/08/2020 | One Red Flag |
| BOWATER DOORS LIMITED | 13738120 | 11/11/2021 | 30/01/2024 | Silver |
| CARLISLE BRASS LIMITED | 02022858 | 03/10/2006 | 01/02/2013 | Silver |
| DAWNFOREST LIMITED | 04517238 | 03/10/2006 | 01/02/2013 | Amber |
| DUVETCO LIMITED | SC346445 | 17/07/2014 | 31/08/2020 | Dissolved |
| EM2020 REALISATIONS LIMITED | SC024081 | 14/07/2014 | 31/08/2020 | Insolvent |
| EXPAMET LIMITED | 13748629 | 17/11/2021 | 30/01/2024 | Bronze |
| TUMBUS NINE LIMITED | 03477410 | 03/10/2006 | 01/02/2013 | Dissolved |
| TUMBUS SEVEN LIMITED | 03419990 | 03/10/2006 | 01/02/2013 | Dissolved |
| TUMBUS SIX LIMITED | 03590915 | 03/10/2006 | 01/02/2013 | Dissolved |