| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CARBORUNDUM U.K. LTD. | 00120427 | 01/12/1997 | Insolvent |
| Cash Management Ltd | 00288878 | 01/12/1997 | Dissolved |
| Fixit (Adhesive) Ltd | 01002925 | 01/12/1997 | Dissolved |
| Midland Refractories Ltd | 00156479 | 01/12/1997 | Dissolved |
| NORTON INDUSTRIAL CERAMICS LIMITED | 00161317 | 01/12/1997 | Dissolved |
| Norton Co U K Ltd | 00820262 | 01/12/1997 | Dissolved |
| Norton Pampus Ltd | 00845192 | 01/12/1997 | Dissolved |
| Sepr Uk Ltd | 01036746 | 30/11/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Chemfab Holdings U.K. Ltd | 02560118 | 31/12/2003 | 06/12/2007 | Dissolved |
| ENGART FANS LIMITED | 00419515 | 26/07/1991 | 30/04/1993 | Not Trading |
| ENGART FANS LIMITED | 00419515 | 26/07/1991 | 30/04/1993 | Not Trading |
| NOVENCO AEREX LIMITED | 00631473 | 26/07/1991 | 23/03/1993 | Dissolved |
| NOVENCO AEREX LIMITED | 00631473 | 23/03/1993 | 01/05/1993 | Dissolved |
| Norton U K Pensions Ltd | 01833629 | 29/10/1998 | 16/05/2007 | Dissolved |
| Novenco U K Ltd | 02695233 | 21/04/1992 | 01/05/1993 | Dissolved |
| Novenco U K Ltd | 02695233 | 21/04/1992 | 09/03/1994 | Dissolved |
| Nuclear Enterprises Ltd | SC031256 | 01/12/1997 | 01/07/2002 | Dissolved |
| SAINT-GOBAIN CRYSTALS & DETECTORS UK LIMITED | 02144118 | 01/12/1997 | 02/08/2013 | Dissolved |
| SAINT-GOBAIN HIGH PERFORMANCE SOLUTIONS UK LIMITED | 00245722 | 01/12/1997 | 31/01/2015 | Bronze |
| SAINT-GOBAIN INDUSTRIAL CERAMICS LIMITED | 00909697 | 01/12/1997 | 31/01/2015 | Not Trading |
| SAINT-GOBAIN PENSIONS LIMITED | 02716363 | 19/12/1997 | 15/09/2006 | Not Trading |
| SAINT-GOBAIN PERFORMANCE PLASTICS CORBY LIMITED | 02197449 | 11/01/2000 | 31/01/2015 | Not Trading |
| SAINT-GOBAIN PERFORMANCE PLASTICS TYGAFLOR LIMITED | 01265396 | 01/02/2003 | 31/01/2015 | Not Trading |
| UNIFRAX LIMITED | 04007148 | 13/07/2000 | 04/10/2000 | Silver |