| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aerosignal Services Ltd | 03115049 | 01/07/1998 | Dissolved |
| Installation & Lookout Services Ltd | 03082897 | 01/07/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Aerosignal Engineering Ltd | 03870729 | 29/10/1999 | 29/10/1999 | Dissolved |
| BERZAC HOLDINGS LIMITED | 03875849 | 11/11/1999 | 01/09/2010 | Strike Off |