| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Halfcut Ltd | 03958547 | 26/05/2000 | Dissolved |
| Yiffe Ltd | 04061099 | 24/08/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARCH CHEMICALS UK SUPPLIES LIMITED | 02274789 | 29/04/1996 | 01/10/1999 | Dissolved |
| CHEMICAL INDUSTRIES ASSOCIATION LIMITED | 00860702 | 18/11/1993 | 16/11/2000 | Gold |
| DELTADOT LIMITED | 03949707 | 08/07/2004 | 25/06/2008 | Amber |
| DUVAS TECHNOLOGIES LIMITED | 06466811 | 09/04/2008 | 31/03/2016 | Amber |
| Dymach Management Ltd | 04120688 | 21/03/2001 | 30/04/2003 | Dissolved |
| EGL LIMITED | 00748589 | 16/02/1993 | 09/07/1993 | Gold |
| EVONIK AMALGAMATION LIMITED | 00096356 | 31/05/1992 | 09/02/1996 | Gold |
| EVONIK LIL LIMITED | 00031089 | 31/05/1992 | 09/02/1996 | Gold |
| EVONIK UK HOLDINGS LIMITED | 02695034 | 01/04/1992 | 09/02/1996 | Gold |
| HICKSON INTERNATIONAL LIMITED | 00499821 | 26/02/1996 | 25/08/2000 | Amber |
| HICKSON INVESTMENTS LIMITED. | 01940913 | 01/05/1996 | 01/10/1999 | Silver |
| HICKSON LIMITED | 00328747 | 19/06/1997 | 01/10/1999 | Gold |
| HYDROVENTURI LIMITED | 03901212 | 12/11/2003 | 09/05/2007 | Not Trading |
| INTELLIGENT ENGINEERING (UK) LIMITED | 03184851 | 22/11/1999 | 11/05/2006 | Dissolved |
| INTELLIGENT ENGINEERING LIMITED | 05071794 | 13/08/2004 | 30/06/2011 | Dissolved |
| KIN AND CARTA HOLDCO LIMITED | 01552113 | 01/08/1994 | 01/12/2008 | Silver |
| LAPORTE ORGANISATION LIMITED | 02682312 | 02/12/1992 | 09/02/1996 | Dissolved |
| NPTC | 04542170 | 05/11/2003 | 23/02/2007 | Not Trading |
| RPC GROUP LIMITED | 02578443 | 27/07/1998 | 27/07/2011 | Gold |
| UNIVAR UK HOLDINGS LIMITED | 00031746 | 11/10/1991 | 01/10/1992 | Dissolved |