| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Pancake Motors Ltd | 02261945 | 10/12/1993 | Dissolved |
| Pancake Motors Ltd | 02261945 | 21/11/1991 | Dissolved |
| Pozzotech Ltd | 03801549 | 26/10/1999 | Dissolved |
| Pozzotech Ltd | 03801549 | 12/07/1999 | Dissolved |
| Promintech Ltd | 03229783 | 26/10/1999 | Dissolved |
| Promintech Ltd | 03229783 | 15/01/1997 | Dissolved |
| ROCKTON RESEARCH LIMITED | 04340588 | 24/03/2005 | Dissolved |
| ROCKTRON (ABERTHAW) LIMITED | 04145819 | 24/03/2005 | Dissolved |
| ROCKTRON (GALE COMMON) LIMITED | 04522697 | 24/03/2005 | Dissolved |
| ROCKTRON INTERNATIONAL LIMITED | 05971625 | 18/10/2006 | Dissolved |
| ROCKTRON LIMITED | 04120826 | 07/12/2000 | Dissolved |
| ROCKTRON SERVICES LIMITED | 07211725 | 01/04/2010 | Dissolved |
| Rocktron Marketing Ltd | 04492357 | 23/07/2002 | Dissolved |
| Silhouette Interiors Limited | 01652773 | 24/10/1991 | Dissolved |
| WILTON MANAGEMENT LIMITED | 02506178 | 23/01/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| All Seasons Marketing Ltd | 03327431 | 05/03/1997 | 05/03/1998 | Dissolved |
| DATASTRIP LIMITED | 02172158 | 21/10/1993 | 24/08/1995 | Dissolved |
| EVRO LIMITED | 03408779 | 18/03/1999 | 02/05/2000 | Dissolved |
| Focus Products (Southern) Ltd | 02782262 | 08/03/1993 | 08/03/1993 | Dissolved |
| OLDCO (02751052) LIMITED | 02751052 | 15/10/1992 | 31/01/1995 | Dissolved |
| Panavista Holdings Ltd | 01611726 | 24/10/1991 | 15/04/1999 | Dissolved |
| ROCKTRON HOLDINGS LIMITED | 07424217 | 29/10/2010 | 12/06/2014 | Dissolved |
| ROCKTRON MINERAL SERVICES LIMITED | 07359612 | 27/08/2010 | 09/02/2012 | Dissolved |
| Raw Logic Ltd | 03954503 | 27/05/2000 | 01/07/2001 | Dissolved |
| SALADIN HOLDINGS LIMITED | 02120198 | 13/09/1992 | 31/01/1993 | Dissolved |
| SSE MINERAL SOLUTIONS LIMITED | 04146274 | 24/03/2005 | 05/08/2009 | Dissolved |
| Stirling Energy Systems Ltd. | 03536317 | 03/04/1998 | 22/03/2005 | Dissolved |