| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BPD HOLDINGS LIMITED | 04436966 | 07/05/2019 | Dissolved |
| BUILDING PRODUCT DESIGN LIMITED | 03944123 | 13/09/2021 | Bronze |
| CHELWOOD GROUP | 03028184 | 01/09/2017 | Insolvent |
| FLOPLAST LIMITED | 02616448 | 07/07/2021 | Silver |
| GALILEO BRICK LIMITED | 04358273 | 01/09/2017 | Insolvent |
| MAINCOR LIMITED | 06151719 | 04/01/2024 | Silver |
| SANDTOFT ROOF TILES LIMITED | 02509718 | 19/11/2013 | Not Trading |
| THE BRICK BUSINESS LIMITED | 03029861 | 01/09/2017 | Insolvent |
| THE BRICK DEVELOPMENT ASSOCIATION LIMITED | 00944844 | 01/09/2017 | Gold |
| WIENERBERGER LIMITED | 05299520 | 01/09/2017 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH CERAMIC CONFEDERATION LTD | 12322814 | 19/11/2019 | 13/06/2023 | Gold |
| HEPWORTH BUILDING PRODUCTS (HOLDINGS) LIMITED | 00180603 | 17/01/2006 | 31/07/2010 | Amber |
| HEPWORTH BUILDING PRODUCTS INTERNATIONAL LIMITED | 00544265 | 17/01/2006 | 31/07/2010 | Dissolved |
| HEPWORTH BUILDING PRODUCTS LIMITED | 00310251 | 17/01/2006 | 31/07/2010 | Insolvent |
| STRUCTURAL CONDITIONING LTD. | 03553378 | 01/07/2008 | 31/07/2010 | Dissolved |
| WARMAFLOOR (GB) LIMITED | 03104571 | 01/07/2008 | 31/07/2010 | One Red Flag |
| WAVIN LIMITED | 00405836 | 03/04/2009 | 31/07/2010 | Bronze |
| WAVIN UK (HOLDINGS) LIMITED | 05351031 | 17/01/2006 | 31/07/2010 | Amber |
| WIENERBERGER LIMITED | 05299520 | 19/11/2013 | 19/11/2013 | Gold |