| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ABC ELECTRIFICATION LTD | 08193420 | 27/09/2024 | Gold |
| ALSTOM (INVESTMENT) UK LIMITED | 09863932 | 29/01/2021 | Silver |
| ALSTOM (LITCHURCH) LIMITED | 01712661 | 11/05/2021 | Silver |
| ALSTOM ACADEMY FOR RAIL | 00293588 | 27/04/2021 | Not Trading |
| ALSTOM ELECTRONICS LIMITED | 02988520 | 11/05/2021 | Amber |
| ALSTOM ENGINEERING AND SERVICES LIMITED | 02235994 | 11/05/2021 | Bronze |
| ALSTOM TRANSPORT UK (HOLDINGS) LIMITED | 08713765 | 23/03/2018 | Gold |
| ALSTOM TRANSPORT UK LIMITED | 08462831 | 23/03/2018 | Silver |
| ALSTOM TRANSPORTATION (GLOBAL HOLDING) UK LIMITED | 09862744 | 26/01/2022 | Gold |
| BOMBARDIER TRANSPORTATION (SIGNAL) UK LTD | 03062720 | 11/05/2021 | Dissolved |
| CROSSFLEET LIMITED | 03614181 | 11/05/2021 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALSTOM PRODUCT AND SERVICES LIMITED | 05894128 | 24/03/2020 | 06/05/2022 | Bronze |