| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AQUAFORCE (CONCRETE SERVICES) LIMITED | 07416677 | 22/10/2010 | 01/12/2021 | One Red Flag |
| CORROSION CONTROL SERVICES LIMITED | 02344924 | 01/01/2002 | 01/12/2021 | Amber |
| FOREVA CONCRETE REPAIRS LIMITED | 02322918 | 23/05/2002 | 01/12/2021 | One Red Flag |
| FREYSSINET INTERNATIONAL ET COMPAGNIE UK | FC035976 | 19/02/2019 | 01/12/2021 | Bronze |
| FREYSSINET LIMITED | 00480252 | 01/01/2002 | 01/12/2021 | Bronze |
| REINFORCED EARTH COMPANY LIMITED | 01171843 | 23/05/2002 | 01/02/2017 | Bronze |
| SLABSTRESS LIMITED | 01208697 | 23/05/2002 | 01/12/2021 | Strike Off |