| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APPLEBY FRODINGHAM WORKS ATHLETIC CLUB LIMITED | 07049322 | 04/09/2012 | 09/12/2016 | Not Trading |
| BISPA LIMITED | 01258656 | 04/11/2010 | 29/11/2018 | Dissolved |
| CORUS ENGINEERING STEELS HOLDINGS LIMITED | 02588085 | 27/03/2001 | 27/08/2003 | Dissolved |
| CORUS ENGINEERING STEELS LIMITED | 01992636 | 27/03/2001 | 27/08/2003 | Not Trading |
| ENGINUITY | 02324869 | 20/09/2005 | 03/10/2006 | Gold |
| LINCOLNSHIRE IRON AND STEEL INSTITUTE LIMITED(THE) | 00989790 | 03/02/2014 | 29/03/2018 | Gold |
| MATERIALS PROCESSING INSTITUTE | 08919614 | 29/04/2016 | 31/12/2018 | Amber |
| METSKILL LIMITED | 02465674 | 04/07/2000 | 06/03/2015 | Dissolved |
| NATIONAL SKILLS ACADEMY FOR MANUFACTURING LIMITED | 02707095 | 30/04/2007 | 13/05/2010 | Dissolved |
| REDCAR BULK TERMINAL LIMITED | 07402297 | 24/03/2011 | 07/04/2016 | Bronze |
| TSP PROJECTS LIMITED | 03033290 | 01/09/2001 | 24/03/2016 | Not Trading |
| UK STEEL (ENVIRONMENTAL) LIMITED | 03921435 | 04/11/2010 | 29/11/2018 | Gold |
| VOLKERRAIL GROUP LIMITED | 04930080 | 15/03/2004 | 01/12/2005 | Silver |
| VOLKERRAIL LIMITED | 03184313 | 01/12/2001 | 15/03/2004 | Silver |
| VOSSLOH COGIFER UK LIMITED | 04114382 | 01/01/2002 | 20/10/2005 | Silver |