| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 00237163 LIMITED | 00237163 | 13/05/1993 | Insolvent |
| 00909785 LIMITED | 00909785 | 13/05/1993 | Dissolved |
| A E L Realisations Ltd | 00853912 | 13/05/1993 | Dissolved |
| A W B Holdings Realisations Ltd | SC156623 | 30/03/1995 | Dissolved |
| A W B Realisations Ltd | SC045647 | 31/12/1988 | Dissolved |
| ALLENWEST (SEHL) LIMITED | 00108870 | 13/05/1993 | Dissolved |
| ALLENWEST (SEML) LIMITED | 00853913 | 13/05/1993 | Dissolved |
| Allen West Electrical Insulators Ltd | 00309064 | 13/05/1993 | Dissolved |
| Allenwest (P&s) Ltd | 00264169 | 13/05/1993 | Dissolved |
| Allenwest (Trustees) Ltd | 02270276 | 13/05/1993 | Dissolved |
| Allenwest Brentford Ltd | 02653789 | 17/12/1991 | Dissolved |
| Allenwest Group Ltd | SC144160 | 15/06/1993 | Dissolved |
| Allenwest Industries Ltd | 01161454 | 13/05/1993 | Dissolved |
| Allenwest Ltd | 01847970 | 13/05/1993 | Dissolved |
| Allenwest Mouldings Ltd | SC090633 | 13/05/1993 | Dissolved |
| BJR REALISATIONS LIMITED | SC197294 | 28/06/1999 | Dissolved |
| Brentford Electric Ltd | 02804596 | 14/05/1993 | Dissolved |
| Claytat Ltd | 00513540 | 13/05/1993 | Dissolved |
| Electrical Apparatus Co Ltd | 00129845 | 13/05/1993 | Dissolved |
| Group Four Electronics Ltd | 00693862 | 13/05/1993 | Dissolved |
| Hackbridge-Faraday Electrics Ltd | 00206143 | 13/05/1993 | Dissolved |
| M & C Switchgear Ltd | SC122484 | 16/02/1990 | Dissolved |
| Process Control Gear Ltd | 00376769 | 13/05/1993 | Dissolved |
| SIMPLEX ELECTRIC LIMITED | 00213994 | 19/10/1993 | Not Trading |
| Simplex (Fal) Limited | 00981848 | 13/05/1993 | Dissolved |
| Simplex (Fans & Ballasts) Limited | 00666981 | 13/05/1993 | Dissolved |
| Simplex (Wiring Devices) Limited | 00150017 | 13/05/1993 | Dissolved |
| Simplex Conduits Limited | 00088290 | 19/10/1993 | Dissolved |
| Simplex Properties Ltd | 00213627 | 13/05/1993 | Dissolved |
| Simplex Wiring Systems Ltd | 00992216 | 13/05/1993 | Dissolved |
| Smithlite Limited | 00244822 | 13/05/1993 | Dissolved |
| Starkstrom (Scotland) Ltd | SC042150 | 27/02/1995 | Dissolved |
| The Reason Manufacturing Company Ltd | 00064701 | 13/05/1993 | Dissolved |
| Wallacetown Control Systems Ltd | SC040031 | 13/05/1993 | Dissolved |
| Wallacetown Debenture Trustees Ltd | SC142227 | 06/05/1993 | Dissolved |
| Wallacetown Engineering Co Ltd | SC020203 | 13/05/1993 | Dissolved |
| Wallacetown Properties Limited | SC048884 | 13/05/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Allenwest General Pension Trustees Ltd | 00251390 | 13/05/1993 | 11/05/1995 | Dissolved |
| Allenwest Pension Trustees Ltd | 00492698 | 03/11/1995 | 07/06/2000 | Dissolved |