| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AIRTECH HUMIDITY CONTROLS LIMITED | 03107083 | 10/05/2016 | Not Trading |
| BREATHING BUILDINGS LIMITED | 05676785 | 16/12/2016 | Not Trading |
| DIFFUSION ENVIRONMENTAL SYSTEMS LIMITED | 04743023 | 25/07/2024 | Not Trading |
| ENERGY RECOVERY INDUSTRIES CORPORATION LIMITED | 11692473 | 16/09/2024 | One Red Flag |
| ENERGY TECHNIQUE LIMITED | 00013273 | 23/12/2015 | Not Trading |
| ET ENVIRONMENTAL LIMITED | 00759625 | 23/12/2015 | Not Trading |
| N V A SERVICES LIMITED | 02079355 | 10/05/2016 | Not Trading |
| SENS-AIR LIMITED | 01836038 | 10/05/2016 | Not Trading |
| SW NATIONAL VENTILATION LIMITED | 03849793 | 10/05/2016 | Not Trading |
| VENT-AXIA GROUP LIMITED | 01102834 | 03/04/2008 | Silver |
| VENT-AXIA LIMITED | 00272562 | 03/04/2008 | Not Trading |
| VOLUTION VENTILATION UK LIMITED | 11352032 | 09/05/2018 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|