| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APPLEBY GROUP LIMITED | 00499594 | 27/02/1992 | 28/10/1993 | Gold |
| APPLEBY-FRODINGHAM COTTAGE TRUST LIMITED | 00308903 | 25/09/1992 | 31/12/1996 | Silver |
| ASHORNE HILL MANAGEMENT COLLEGE | 00889791 | 14/07/1995 | 07/03/2005 | Gold |
| AVESTA SHEFFIELD TRADING LTD | 02949795 | 31/03/1997 | 21/05/1999 | Dissolved |
| CALUMITE LIMITED | 00948298 | 27/02/1992 | 05/11/1993 | Silver |
| CETMAN | 04426904 | 08/10/2004 | 31/01/2010 | Dissolved |
| COGENT POWER LIMITED | 02642030 | 01/03/2004 | 27/04/2007 | Bronze |
| CORUS GROUP LIMITED | 03811373 | 01/09/2001 | 31/05/2005 | Silver |
| Humberside Training & Enterprise Council | 02538476 | 10/09/1992 | 22/08/1994 | Dissolved |
| KOPPERS UK LIMITED | 00227623 | 01/01/1994 | 14/10/1997 | Silver |
| LINCOLNSHIRE IRON AND STEEL INSTITUTE LIMITED(THE) | 00989790 | 31/03/1992 | 08/03/1993 | Silver |
| OUTOKUMPU STAINLESS HOLDINGS LIMITED | 02721293 | 31/03/1997 | 02/05/1999 | Dissolved |
| OUTOKUMPU STAINLESS LIMITED | 02794127 | 31/03/1997 | 21/05/1999 | Gold |
| SANDCO 1157 LIMITED | 02992061 | 31/01/1996 | 29/01/1997 | Dissolved |
| TATA STEEL UK LIMITED | 02280000 | 11/04/2002 | 31/05/2005 | Bronze |
| TEES VALLEY TEC LIMITED | 02398025 | 13/06/1995 | 07/01/1997 | Dissolved |
| TWIL COMPANY | 01261902 | 22/05/1992 | 27/11/1996 | Not Trading |
| Wcci Ltd | 00080246 | 04/06/1991 | 28/10/1991 | Dissolved |