| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADVANCED DUCTWORK INSTALLATIONS LIMITED | 06496190 | 06/02/2008 | Dissolved |
| ADVANCED DUCTWORK SOLUTIONS LIMITED | 08012595 | 23/06/2016 | Dissolved |
| DALGARNO IP LTD | 12148471 | 09/08/2019 | Strike Off |
| Dalgarno Developments Ltd | 03822595 | 10/08/1999 | Dissolved |
| GATEWAY PPT ENGINEERING LTD | 12656184 | 09/06/2020 | Dissolved |
| HEATING AND VENTILATION WAREHOUSE LIMITED | 08448296 | 30/11/2023 | Silver |
| MRD (MANUFACTURING) LIMITED | 05579202 | 30/09/2005 | Dissolved |
| MRD SERVICES LIMITED | 03960454 | 30/03/2000 | Dissolved |
| Pss Sheet Metal Ltd | 04350945 | 11/01/2002 | Dissolved |
| Pss Sheet Metal Ltd | 04350945 | 11/01/2002 | Dissolved |
| STRONGDUCT GROUP LIMITED | 11752159 | 07/01/2019 | Not Trading |
| STRONGDUCT LIMITED | 08240557 | 17/10/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Applied Sheet Metal Fabrications Ltd | 03886328 | 21/03/2001 | 08/03/2002 | Dissolved |