| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CENTRAL (ENERGY & AUTOMATION) LIMITED | 10444361 | 25/10/2016 | Dissolved |
| CENTRAL ELECTRICAL ARMATURE WINDING CO. LIMITED | 01303644 | 03/01/2012 | Silver |
| EDC INTEGRATED LIMITED | SC495333 | 16/01/2015 | Bronze |
| MSP NETWORK LTD | 04435000 | 22/10/2002 | Dissolved |
| ORANGE CENTRAL LTD | 08327143 | 11/12/2012 | Not Trading |
| ORANGEMEAD LIMITED | 04186126 | 28/03/2001 | Bronze |
| ORANGEMEAD LIMITED | 04186126 | 28/03/2001 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CARLETON HOUSE PREPARATORY SCHOOL LIMITED | 01260765 | 17/10/2006 | 16/11/2010 | Silver |
| CENTRAL ELECTRICAL ARMATURE WINDING CO. LIMITED | 01303644 | 01/08/2001 | 03/01/2012 | Silver |
| E.D.C. (SCOTLAND) LIMITED | SC167935 | 21/06/2011 | 01/04/2024 | Silver |
| EDC (NE) LIMITED | SC579885 | 26/10/2017 | 01/04/2024 | Not Trading |
| EDC (NORTH EAST) LIMITED | SC579863 | 26/10/2017 | 01/04/2024 | Gold |
| EDC AIR COMPRESSORS LIMITED | SC535880 | 19/05/2016 | 01/04/2024 | Bronze |
| ELECTRONIC DRIVES & CONTROLS LIMITED | SC174403 | 01/07/2013 | 05/04/2024 | Not Trading |
| TQI AC (SCOTLAND) LIMITED | SC535766 | 18/05/2016 | 01/04/2024 | Silver |