| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Britannia Fire Ltd | 01231803 | 18/12/1991 | Dissolved |
| Britannia Fire Systems Ltd | 01706412 | 18/12/1991 | Dissolved |
| Britannia Security & Fire Systems Ltd | 01483156 | 18/12/1991 | Dissolved |
| Fire Control Ltd | 02030385 | 29/12/1991 | Dissolved |
| Mallan Engineers Ltd | 01007910 | 08/12/1991 | Dissolved |
| Safety Alarm Supplies Ltd | 01649247 | 18/12/1991 | Dissolved |
| Security Lock & Safe Co Ltd | 01978194 | 29/12/1991 | Dissolved |
| Signalco Europe Ltd | 01649248 | 18/12/1991 | Dissolved |
| Wes Holdings Ltd | 02017974 | 29/12/1991 | Dissolved |
| Wormald Consolidated Ltd | 01958818 | 16/06/1991 | Dissolved |
| Wormald Industrial Property (Rmd) Limited | 02058063 | 29/12/1991 | Dissolved |
| Wormald Security Ltd | 01718613 | 29/12/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AFA-MINERVA LIMITED | 00116004 | 03/07/1996 | 02/09/1997 | Strike Off |
| CONTROL EQUIPMENT LIMITED | 01769524 | 24/10/2001 | 26/09/2002 | Dissolved |
| DONG BANG MINERVA (UK) LIMITED | 00627155 | 03/07/1996 | 02/09/1997 | Strike Off |
| Excelsior Security Services Ltd | 00881554 | 03/07/1996 | 02/09/1997 | Dissolved |
| JEL BUILDING MANAGEMENT LIMITED | 00476245 | 03/07/1996 | 02/09/1997 | Dissolved |
| JEL BUILDING MANAGEMENT SYSTEMS LIMITED | 01180226 | 03/07/1996 | 02/09/1997 | Dissolved |
| MACRON SAFETY SYSTEMS (UK) LIMITED | 01169587 | 04/12/1998 | 13/04/1999 | Bronze |
| Minerva Fire Defence Ltd | 00479124 | 03/07/1996 | 02/09/1997 | Dissolved |
| TEN ACRE SECURITIES LIMITED | 01136426 | 29/12/1991 | 10/10/1997 | Dissolved |
| THORN SECURITY GROUP LIMITED | 02899116 | 01/07/1996 | 02/09/1997 | Silver |
| TSG TRUSTEES LIMITED | 02925446 | 03/07/1996 | 02/09/1997 | Dissolved |
| TYCO FIRE PRODUCTS MANUFACTURING LIMITED | 01841522 | 29/12/1991 | 29/09/2003 | One Red Flag |
| Thorn Security International Ltd | 02922440 | 03/07/1996 | 02/09/1997 | Dissolved |
| Thornfire Ltd | 01742793 | 03/07/1996 | 02/09/1997 | Dissolved |
| Zettler Ltd | 01130922 | 10/04/1997 | 02/09/1997 | Dissolved |