| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COTSWOLD PIG DEVELOPMENT CO.LIMITED | 00699583 | 10/05/2002 | Dissolved |
| J.S.R. FARMS LIMITED | 01221759 | 11/11/1991 | Silver |
| J.S.R. GENETICS LIMITED | 03902341 | 08/11/2000 | Silver |
| J.S.R. HEALTHBRED LIMITED | 02367950 | 10/10/1996 | Dissolved |
| J.S.R. RUSSIA LIMITED | 06888034 | 27/04/2009 | Dissolved |
| JSR CHECKFARM LIMITED | 08191188 | 24/08/2012 | Dissolved |
| JSR CLOVER LIMITED | 04017932 | 26/11/2010 | Dissolved |
| Jsr Elsham Ltd | 04017933 | 20/06/2000 | Dissolved |
| Norsvin J S R Ltd | 03217521 | 29/03/1997 | Dissolved |
| PORKWELL LIMITED | 03112328 | 29/02/2012 | Silver |
| Pig Improvement & Development Ltd | 00944234 | 04/04/1997 | Dissolved |
| SOUTHBURN FARMS LIMITED | 00976338 | 11/11/1991 | Dissolved |
| SWAYTHORPE GROWERS LIMITED | 03165809 | 27/03/1996 | Bronze |
| YORKSHIRE GREENS LTD | 10595430 | 04/09/2017 | Bronze |
| Yorkshire Potatoes Ltd | 04252138 | 13/07/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BEEF IMPROVEMENT GROUPING LIMITED | 02848266 | 20/12/1996 | 09/10/2024 | Silver |
| Driffield Pea Growers Ltd | 01016876 | 10/11/1999 | 29/03/2005 | Dissolved |
| OXFORD FARMING CONFERENCE(THE) | 02005012 | 04/01/2000 | 06/01/2003 | Amber |
| PRIDE OF ANGLIA GROWERS LIMITED | 00961607 | 07/07/1995 | 15/04/2004 | Silver |
| THE INSTITUTE FOR AGRICULTURE AND HORTICULTURE | 03824061 | 12/03/2002 | 14/08/2019 | Bronze |
| YORK MINSTER FUND LIMITED | 07570312 | 12/03/2013 | 26/02/2020 | Not Trading |