| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Boroughbridge Farmers' Auction Mart Co Ltd | 00099328 | 01/07/1988 | Dissolved |
| JELSYE LIMITED | 03563903 | 10/03/1999 | Dissolved |
| MACHIN YORKSHIRE LAMB LTD | 03546111 | 10/06/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| F. MACHIN & SONS LIMITED | 01342080 | 07/11/1991 | 10/03/2022 | Amber |
| MACHIN YORKSHIRE LAMB LTD | 03546111 | 18/02/2000 | 05/10/2001 | Dissolved |
| NIDDERDALE QUALITY DEVELOPMENTS LIMITED | 02774472 | 29/07/1994 | 26/10/2001 | Silver |
| THIRSK FARMERS AUCTION MART COMPANY LIMITED | 00091818 | 14/11/1991 | 06/11/2006 | Silver |