| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CONSARC ENGINEERING LIMITED | SC019918 | 02/02/2004 | 04/01/2016 | Amber |
| ELECTRIC MELTING SERVICES COMPANY LIMITED | 02765769 | 18/11/1992 | 01/01/2016 | Bronze |
| FASTRAN HEATING LIMITED | 00940165 | 02/02/2004 | 29/10/2009 | Silver |
| FOUNDRY EQUIPMENT AND SUPPLIES ASSOCIATION LIMITED | 00205416 | 08/12/1995 | 01/03/2005 | Gold |
| INDUCTOHEAT EUROPE LIMITED | 01666802 | 19/11/2003 | 20/11/2008 | Not Trading |
| INDUCTOTHERM EUROPE LIMITED | 00316229 | 06/09/1991 | 01/02/2016 | Gold |
| INDUCTOTHERM GROUP EUROPE LIMITED | 02513425 | 31/03/1993 | 01/01/2016 | Silver |
| INDUCTOTHERM HEATING & WELDING LIMITED | 01013852 | 02/02/2004 | 01/01/2015 | Silver |
| MERSEN SCOTLAND HOLYTOWN LIMITED | SC084860 | 15/04/2004 | 18/12/2009 | Silver |