| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Acron Hill Farms Ltd | 00963096 | 15/12/1991 | Dissolved |
| BYFORD DEVELOPMENTS LIMITED | 05526710 | 03/08/2005 | One Red Flag |
| LONG FOLLY LIMITED | 10255860 | 29/06/2016 | Silver |
| N P D Aviation LTd | 01255314 | 15/12/1991 | Dissolved |
| NATIONAL PIG DEVELOPMENT COMPANY (SCOTLAND) LIMITED | SC052170 | 16/12/1988 | Insolvent |
| Northern Pig Development Co (Leasing) Ltd | 01234680 | 15/12/1991 | Dissolved |
| Northern Pig Development Co (West) Ltd | 00999024 | 15/12/1991 | Dissolved |
| PITWHERRY LIMITED | 03145747 | 12/01/1996 | Gold |
| Sui-La Investments Ltd | 01708088 | 15/12/1991 | Dissolved |
| Synaptic Research Ltd | 05595405 | 18/10/2005 | Dissolved |
| Trimshore Limited | 01963617 | 15/12/1991 | Dissolved |
| WHARRAM DEVELOPMENTS LIMITED | 08991793 | 11/04/2014 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGRICULTURAL CONTRACT & MARKETING COMPANY LIMITED | 03007999 | 17/01/1995 | 26/04/1995 | Dissolved |
| BEAL DEVELOPMENTS LIMITED | 00932246 | 01/10/2015 | 08/09/2017 | Silver |
| BEAL HOLDINGS LIMITED | 04102748 | 01/09/2007 | 01/10/2015 | Amber |
| Fyfield Dormants Ltd | 01719133 | 26/10/1991 | 11/04/1995 | Dissolved |
| Golden Feast Frozen Foods Ltd | 03598145 | 28/01/1999 | 10/05/2002 | Dissolved |
| Hamsard Five Thousand & Five Ltd | 01557796 | 28/01/1999 | 10/05/2002 | Dissolved |
| Manorcros Consultants Ltd | 00552404 | 26/10/1991 | 11/04/1995 | Dissolved |
| NATIONAL PIG DEVELOPMENT COMPANY LIMITED | 00971458 | 15/12/1991 | 08/07/1996 | Dissolved |
| Northern Pig Development Co (Italia) Ltd | 01801370 | 15/12/1991 | 11/04/1995 | Dissolved |
| Northern Pig Development Co Ltd | 01033047 | 26/12/1991 | 11/04/1995 | Dissolved |
| Northern Pig Developments (European) Ltd | 01970336 | 15/12/1991 | 11/04/1995 | Dissolved |