| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENOTRAC EUROPE LTD | 12699543 | 26/06/2020 | Dissolved |
| RAILCARE LIMITED | 05914785 | 28/05/2012 | Dissolved |
| RASPER LTD | 10693225 | 16/05/2017 | Bronze |
| RASPER LTD | 12706143 | 30/06/2020 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRISTOW HELICOPTERS (INTERNATIONAL) LIMITED | 00604403 | 28/02/2008 | 11/01/2010 | One Red Flag |
| BRISTOW HELICOPTERS LIMITED | 00551102 | 28/02/2008 | 11/01/2010 | Bronze |
| BRISTOW TECHNICAL SERVICES LIMITED | 00520374 | 28/02/2008 | 11/01/2010 | Bronze |
| SCONRAIL UK LIMITED | 06879114 | 28/11/2019 | 23/04/2020 | Gold |