| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bioprotect Ltd | 03455136 | 14/11/1997 | Dissolved |
| MICROBAC ANALYTICA LIMITED | 07253345 | 13/05/2010 | Dissolved |
| MICROBAC LIMITED | 02230184 | 14/10/1992 | Dissolved |
| Microbac Analytica Ltd | 03428368 | 03/09/1997 | Dissolved |
| NORTHUMBERLAND RUGBY FOOTBALL UNION LIMITED | 07739092 | 05/07/2023 | Gold |
| Natural Resources Manufacturing Ltd | 02198405 | 31/12/1991 | Dissolved |
| Natural Science Ltd | 02030463 | 14/07/1986 | Dissolved |
| POLYBAC ENVIRONMENTAL SERVICES LIMITED | 10087036 | 29/03/2016 | Gold |
| Pure Earth Ltd | 04454077 | 16/12/2004 | Dissolved |
| RUGBY FOOTBALL REFEREES UNION LTD | 10272024 | 11/07/2016 | Dissolved |
| Technology Resources Ltd | 02033098 | 14/10/1991 | Dissolved |
| Technology Resources Ltd | 02033098 | 14/10/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Biotec Ltd | 03201667 | 31/07/1997 | 11/04/1998 | Dissolved |
| ENGLAND RUGBY TRAVEL LIMITED | 05636512 | 21/05/2014 | 01/08/2017 | Amber |
| NOF ENERGY LTD | 05933450 | 31/01/2007 | 21/03/2013 | Silver |
| NORTHUMBERLAND RUGBY FOOTBALL UNION LIMITED | 07739092 | 12/08/2011 | 26/10/2022 | Gold |
| RUGBY FOOTBALL REFEREES UNION (NATIONAL CONSTITUENT BODY) LTD | 10529970 | 16/12/2016 | 06/09/2017 | Silver |