| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HARSCO (UK) GROUP LIMITED | 06369516 | 27/03/2008 | 01/10/2012 | Amber |
| HARSCO (UK) HOLDINGS LIMITED | 06344290 | 27/03/2008 | 01/10/2012 | Dissolved |
| HARSCO GLOBAL SOURCING LIMITED | 04211276 | 01/11/2011 | 01/10/2012 | Dissolved |
| HARSCO INFRASTRUCTURE GROUP LIMITED | 00164238 | 01/11/2011 | 12/06/2014 | One Red Flag |
| HARSCO INFRASTRUCTURE SERVICES LIMITED | 00276562 | 01/11/2011 | 12/06/2014 | Amber |
| HARSCO INVESTMENT LIMITED | 03985379 | 16/12/2011 | 01/10/2012 | Silver |
| HARSCO LEATHERHEAD LIMITED | 06391696 | 27/03/2008 | 01/10/2012 | Dissolved |
| HARSCO METALS 385 LIMITED | 02263950 | 01/11/2011 | 01/10/2012 | Silver |
| HARSCO METALS GROUP LIMITED | 00702790 | 01/11/2011 | 01/10/2012 | Bronze |
| HARSCO METALS HOLDINGS LIMITED | 00569823 | 01/11/2011 | 01/10/2012 | Silver |
| HARSCO MOLE VALLEY LIMITED | 06395544 | 10/10/2007 | 01/10/2012 | Dissolved |
| HARSCO SURREY LIMITED | 06344261 | 27/03/2008 | 01/10/2012 | Dissolved |
| SGB INFRASTRUCTURE MIDDLE EAST LIMITED | 06344299 | 27/03/2008 | 02/01/2014 | Silver |