| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A-GAS (ORB) LIMITED | 07488989 | 01/08/2016 | One Red Flag |
| A-GAS (UK) LIMITED | 02752249 | 11/08/2017 | Silver |
| A-GAS ELECTRONIC MATERIALS LIMITED | 02991666 | 11/08/2017 | Gold |
| A-GAS INTERNATIONAL LIMITED | 02074334 | 04/07/2017 | Silver |
| A-GAS INVESTMENTS LIMITED | 06004328 | 11/08/2017 | Amber |
| A-ZONE TECHNOLOGIES LIMITED | 08004989 | 11/08/2017 | Dissolved |
| DIOXI LTD | 06984821 | 11/08/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A-GAS (ORB) LIMITED | 07488989 | 01/08/2016 | 14/12/2023 | One Red Flag |
| A-GAS (UK) LIMITED | 02752249 | 11/08/2017 | 14/12/2023 | Silver |
| A-GAS BIDCO LIMITED | 10786853 | 11/08/2017 | 14/12/2023 | One Red Flag |
| A-GAS ELECTRONIC MATERIALS LIMITED | 02991666 | 11/08/2017 | 14/12/2023 | Gold |
| A-GAS GROUP LIMITED | 10792666 | 12/10/2017 | 14/12/2023 | Silver |
| A-GAS INTERNATIONAL LIMITED | 02074334 | 04/07/2017 | 14/12/2023 | Silver |
| A-GAS INVESTMENTS LIMITED | 06004328 | 11/08/2017 | 14/12/2023 | Amber |
| JENOPTIK UK LIMITED | 07050335 | 25/02/2010 | 27/03/2014 | One Red Flag |
| VYSIION LIMITED | 03208975 | 12/05/2013 | 31/10/2014 | Silver |
| VYSIONICS ITS HOLDINGS LIMITED | 04483797 | 26/02/2010 | 27/03/2014 | Dissolved |