| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUXTON RAIL LIMITED | 03049782 | 10/01/2019 | Dissolved |
| CEMEX UK MARINE LIMITED | 00119186 | 23/11/2020 | One Red Flag |
| CSI (ST PAULS) MANAGEMENT COMPANY LIMITED | 10652158 | 04/12/2018 | Gold |
| HUMBER SAND AND GRAVEL LIMITED | 02839836 | 10/01/2019 | Not Trading |
| MINERAL PRODUCTS ASSOCIATION LIMITED | 01634996 | 12/10/2018 | Bronze |
| PROCON READYMIX LIMITED | 06632394 | 23/11/2020 | Silver |
| WILLIAM COOPER AND SONS (DREDGING) LIMITED | 00561189 | 08/01/2019 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|