| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRANCEPETH CASTLE GOLF CLUB,LIMITED(THE) | 00261205 | 30/10/2023 | Amber |
| NORTHEAST BIOFUELS LIMITED | 05542440 | 17/12/2008 | Dissolved |
| P & S Cluster Ltd | 05322692 | 01/03/2005 | Dissolved |
| Teesside Chemical Initiative Ltd | 03800141 | 31/03/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DURHAM CITY ARTS LIMITED | 02768011 | 24/10/2006 | 01/10/2009 | Dissolved |
| GO GLOBAL NORTH EAST LIMITED | 07947783 | 22/03/2012 | 02/07/2014 | Silver |
| RTC NORTH LIMITED | 02373630 | 08/06/1993 | 19/06/2014 | Gold |
| RTC NORTH WEST LIMITED | 06523758 | 04/04/2008 | 20/03/2015 | Bronze |
| RTC YORKSHIRE LIMITED | 06523732 | 04/04/2008 | 20/03/2015 | Silver |
| SUNDERLAND ENTERPRISE PARK MANAGEMENT COMPANY LIMITED | 02999677 | 14/10/1996 | 04/11/1997 | Bronze |
| THE NORTH EAST OF ENGLAND PROCESS INDUSTRY CLUSTER LIMITED | 04612141 | 08/06/2004 | 30/06/2014 | Bronze |
| The Northern Energy Initiative | 03207357 | 13/09/1996 | 12/06/1998 | Dissolved |