| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASSOCIATED LEAD MILLS LTD. | 03382580 | 01/10/2014 | Bronze |
| ASSOCIATED LEAD PRODUCTS LTD. | 03380544 | 20/06/2019 | Not Trading |
| ENVIROWALES LIMITED | 04296277 | 12/07/2021 | Silver |
| Flexpipe Ltd | 03220940 | 07/07/1998 | Dissolved |
| INTERNATIONAL METAL INDUSTRIES LIMITED | 11776916 | 12/07/2021 | Silver |
| JAMESTOWN INDUSTRIES LIMITED | 03477187 | 12/07/2021 | Bronze |
| L & P TRADING LIMITED | 06523828 | 12/07/2021 | Silver |
| MET-SEAM LIMITED | 05591263 | 12/07/2021 | One Red Flag |
| METAL ROOFING RECRUITMENT COMPANY LIMITED | 05482638 | 31/10/2019 | Not Trading |
| PREMIUM ROOFING PRODUCTS LIMITED | 03067107 | 01/10/2014 | Gold |
| ROYSTON LEAD LIMITED | 00411322 | 12/07/2021 | Amber |
| ROYSTON SHEET LEAD LIMITED | 03031508 | 08/02/2018 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Alpha Roofing Products Ltd | 03221324 | 02/07/1998 | 02/04/2001 | Dissolved |
| Jonathan Jeorge Ltd | 02833186 | 01/09/1997 | 01/02/1999 | Dissolved |