| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Fire Control Ltd | 02030385 | 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 |
|---|---|---|---|---|
| ATLAS FIRE ENGINEERING LIMITED | 00121983 | 11/01/1991 | 30/10/1991 | Not Trading |
| Britannia Fire Ltd | 01231803 | 18/12/1991 | 04/02/1992 | Dissolved |
| Britannia Fire Systems Ltd | 01706412 | 18/12/1991 | 04/02/1992 | Dissolved |
| Britannia Security & Fire Systems Ltd | 01483156 | 18/12/1991 | 04/02/1992 | Dissolved |
| Mallan Engineers Ltd | 01007910 | 08/12/1991 | 04/02/1992 | Dissolved |
| Mather & Platt (Exports) Ltd | 00266889 | 29/12/1991 | 22/04/1992 | Dissolved |
| Mather & Platt Fire Protection Ltd | 01707010 | 29/09/1991 | 29/02/1992 | Dissolved |
| Safety Alarm Supplies Ltd | 01649247 | 18/12/1991 | 04/02/1992 | Dissolved |
| Security Lock & Safe Co Ltd | 01978194 | 29/12/1991 | 04/02/1992 | Dissolved |
| Signalco Europe Ltd | 01649248 | 18/12/1991 | 29/02/1992 | Dissolved |
| TEN ACRE SECURITIES LIMITED | 01136426 | 29/12/1991 | 29/02/1992 | Dissolved |
| TYCO FIRE & INTEGRATED SOLUTIONS (UK) LIMITED | 01952517 | 16/06/1991 | 30/10/1991 | Silver |
| TYCO FIRE PRODUCTS MANUFACTURING LIMITED | 01841522 | 29/12/1991 | 29/02/1992 | One Red Flag |
| TYCO HOLDINGS (U.K.) LIMITED | 02504868 | 23/05/1991 | 27/06/1991 | Silver |
| WORMALD ENGINEERING LIMITED | 00209399 | 29/12/1991 | 29/02/1992 | Not Trading |
| WORMALD FIRE SYSTEMS LIMITED | 01699654 | 29/12/1991 | 29/02/1992 | Dissolved |
| WORMALD HOLDINGS (UK) LIMITED | 01280988 | 11/01/1991 | 30/10/1991 | Dissolved |
| WORMALD INDUSTRIAL PROPERTY LIMITED | 01834858 | 18/01/1991 | 04/05/1992 | Dissolved |
| Wes Holdings Ltd | 02017974 | 29/12/1991 | 29/02/1992 | Dissolved |