| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMBLE HARBOUR LIMITED | 08338820 | 20/12/2012 | One Red Flag |
| J K K Electrical Engineering Ltd | 02293638 | 16/01/1991 | Dissolved |
| Midland Control Gear Ltd | 00706658 | 01/10/1991 | Dissolved |
| NORTHERN FUTURES LIMITED | 03995314 | 17/05/2000 | Dissolved |
| NORTHERN FUTURES LIMITED | 03995314 | 17/05/2000 | Dissolved |
| Regal Industrial Holdings Ltd | 02431582 | 01/10/1991 | Dissolved |
| South Tyneside Electrical Ltd | 02634205 | 01/08/1991 | Dissolved |
| Tayside Electrical Distribution Ltd | SC120648 | 01/10/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMBLE DEVELOPMENT TRUST | 02990425 | 15/11/1994 | 28/11/1994 | Amber |
| AMBLE DEVELOPMENT TRUST | 02990425 | 15/11/1994 | 16/11/2022 | Amber |
| NORTHERN SWITCHGEAR & CONTROLS LIMITED | 02923706 | 28/04/1994 | 01/02/2012 | Silver |
| NORTHERN SWITCHGEAR & CONTROLS LIMITED | 02923706 | 28/04/1994 | 01/02/2012 | Silver |