| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 00909785 LIMITED | 00909785 | 19/10/1991 | 05/11/1991 | Dissolved |
| Allen West Electrical Insulators Ltd | 00309064 | 19/10/1991 | 05/11/1991 | Dissolved |
| Allenwest Industries Ltd | 01161454 | 19/10/1991 | 05/11/1991 | Dissolved |
| Electrical Apparatus Co Ltd | 00129845 | 19/10/1991 | 05/11/1991 | Dissolved |
| Group Four Electronics Ltd | 00693862 | 19/10/1991 | 05/11/1992 | Dissolved |
| Hackbridge-Faraday Electrics Ltd | 00206143 | 19/10/1991 | 05/11/1991 | Dissolved |
| Process Control Gear Ltd | 00376769 | 19/10/1991 | 05/11/1991 | Dissolved |
| SIMPLEX ELECTRIC LIMITED | 00213994 | 19/10/1991 | 04/11/1991 | Not Trading |
| Simplex (Fal) Limited | 00981848 | 19/10/1991 | 05/11/1991 | Dissolved |
| Simplex (Fans & Ballasts) Limited | 00666981 | 19/10/1991 | 05/11/1991 | Dissolved |
| Simplex (Wiring Devices) Limited | 00150017 | 19/10/1991 | 05/11/1991 | Dissolved |
| Simplex Conduits Limited | 00088290 | 19/10/1991 | 19/10/1993 | Dissolved |
| Simplex Properties Ltd | 00213627 | 19/10/1991 | 05/11/1991 | Dissolved |
| Simplex Wiring Systems Ltd | 00992216 | 19/10/1991 | 05/11/1991 | Dissolved |
| Smithlite Limited | 00244822 | 19/10/1991 | 13/05/1993 | Dissolved |
| The Reason Manufacturing Company Ltd | 00064701 | 19/10/1991 | 04/11/1991 | Dissolved |
| Wallacetown Control Systems Ltd | SC040031 | 16/10/1989 | 04/11/1991 | Dissolved |
| Wallacetown Engineering Co Ltd | SC020203 | 16/10/1989 | 04/11/1991 | Dissolved |
| Wallacetown Properties Limited | SC048884 | 16/10/1989 | 04/11/1991 | Dissolved |