| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Anderson Bros (Westerhope) Ltd | 00377080 | 01/03/1996 | Dissolved |
| Baywood Projects Ltd | 03005265 | 23/02/1995 | Dissolved |
| Brown Wharrier Transport Ltd | 01360287 | 13/12/1991 | Dissolved |
| Maxfield Motors Limited | 01985238 | 31/12/1991 | Dissolved |
| NORTH EAST CITY PROPERTIES LIMITED | 07113236 | 29/12/2009 | Dissolved |
| North East Coal Co Ltd | 03179124 | 03/04/1996 | Dissolved |
| R & C PROPERTIES (NORTH EAST) LIMITED | 10382718 | 19/09/2016 | Silver |
| Young Group Investments Ltd | 02443824 | 17/11/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 3C'S Transport Ltd | 03941082 | 07/03/2000 | 30/04/2004 | Dissolved |
| ALEXANDERS PRESTIGE HOLDINGS LIMITED | 08487373 | 02/10/2013 | 01/08/2016 | Silver |
| COUNTY DURHAM DEVELOPMENT COMPANY LIMITED | 01997673 | 18/07/2007 | 01/05/2008 | Dissolved |
| Darrington Transport Ltd | 03669898 | 18/11/1998 | 30/04/2004 | Dissolved |
| Deerness Minerals Ltd | 01809368 | 31/12/1991 | 01/09/1992 | Dissolved |
| EUROPEAN HORSEBOXES LIMITED | 10382612 | 19/09/2016 | 02/03/2017 | Bronze |
| G.R. WARDLE & SON LIMITED | 03448610 | 06/08/1998 | 30/04/2004 | Dissolved |
| HAR TRANSPORT LIMITED | 02996297 | 14/12/1994 | 30/04/2004 | Bronze |
| HARGREAVES (UK) LIMITED | 04140051 | 09/02/2001 | 30/04/2004 | Silver |
| HARGREAVES (UK) SERVICES LIMITED | 03735251 | 17/03/1999 | 30/04/2004 | Gold |
| HARGREAVES SERVICES PLC | 04952865 | 31/08/2004 | 03/11/2005 | Silver |
| HARGREAVES WASTE SERVICES LIMITED | 03362647 | 30/04/1997 | 31/10/2001 | Dissolved |
| HARWORTH ESTATES LIMITED | 02173536 | 31/12/1991 | 01/09/1992 | Gold |
| HARWORTH ESTATES NO 2 LIMITED | 01827325 | 24/04/1992 | 01/09/1992 | Not Trading |
| HARWORTH HAULAGE LTD | 01824798 | 24/04/1992 | 01/09/1992 | Dissolved |
| HS TRANSPORT SERVICES LIMITED | 02538544 | 04/03/2003 | 30/04/2004 | Not Trading |
| INDUSTRIAL DORMANT LIMITED | 03734948 | 17/03/1999 | 30/04/2004 | Dissolved |
| IVESTON MINING COMPANY LIMITED | 01980519 | 31/03/1992 | 01/09/1992 | Dissolved |
| King Associates Mining Ltd | 02337745 | 28/06/1991 | 01/09/1992 | Dissolved |
| Kingfisher Fuels Ltd | 02597835 | 11/04/1991 | 01/09/1992 | Dissolved |
| L.C. Transport Ltd | 02868960 | 17/08/1999 | 30/04/2004 | Dissolved |
| Lyon of Bedale Ltd | 02845274 | 18/07/1998 | 30/04/2004 | Dissolved |
| Middridge Mine Co Ltd | 01993059 | 31/03/1992 | 01/09/1992 | Dissolved |
| NEWCASTLE AIRPORT LOCAL AUTHORITY HOLDING COMPANY LIMITED | 04118128 | 06/06/2008 | 17/11/2008 | Silver |
| NEWCASTLE UNITED FOOTBALL COMPANY LIMITED | 00031014 | 31/12/1991 | 16/01/1993 | Amber |
| North East Land Development Ltd | 04234692 | 03/07/2001 | 19/10/2001 | Dissolved |
| Northumbria Mining Services Ltd | 00958858 | 31/12/1991 | 01/09/1992 | Dissolved |
| PARKLANDS COLLIERY COMPANY LIMITED | 00798370 | 31/12/1991 | 01/09/1992 | Dissolved |
| RJB MINING (UK) LTD | 02200408 | 15/08/1991 | 01/09/1992 | Dissolved |
| RWT SOLUTIONS LIMITED | 02996793 | 14/12/1994 | 14/05/1996 | Dissolved |
| Sacor Ltd | 02638304 | 17/09/1991 | 10/03/1993 | Dissolved |
| Targethappy Limited | 02742197 | 17/09/1992 | 21/04/1995 | Dissolved |
| UK SHOWJUMPING CHAMPIONSHIPS LIMITED | 07507593 | 14/11/2013 | 22/02/2018 | Dissolved |
| Woody Close Drift Mine Ltd | 01811920 | 31/03/1992 | 01/09/1992 | Dissolved |
| Yearnincome Ltd | 02742207 | 17/09/1992 | 21/04/1995 | Dissolved |
| Young Group Plc | 02226511 | 08/05/1992 | 13/09/1993 | Dissolved |