| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Angloscan Shipping Ltd | 02285534 | 22/09/1991 | Dissolved |
| MELMERBY ESTATE SERVICES LIMITED | 10639960 | 27/02/2017 | Insolvent |
| Melmerby Industrial Estate Ltd | 01047372 | 22/09/1991 | Dissolved |
| OLYMPIA PARK DEVELOPMENTS LIMITED | 11421777 | 19/06/2018 | Gold |
| POTTER LEASING LIMITED | 02775811 | 22/12/1992 | Silver |
| POTTER SPACE LIMITED | 12160247 | 16/08/2019 | Silver |
| Papworth,G G,Ltd | 00558723 | 22/09/1991 | Dissolved |
| Pekelands International Produce Services Ltd | 01744968 | 22/09/1991 | Dissolved |
| Pogro Ltd | 02702504 | 29/05/1992 | Dissolved |
| RUSHWOOD MANAGEMENT SERVICES LTD | 10000204 | 11/02/2016 | Gold |
| THE POTTER GROUP (HOLDINGS) LIMITED | 01300030 | 22/09/1991 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Floatline (U K) Ltd | 02881757 | 27/05/1994 | 31/05/1995 | Dissolved |
| HOJ HOLDINGS LIMITED | 06292638 | 16/05/2012 | 09/08/2019 | Dissolved |
| HOUSE OF JAMES TRANSPORT LIMITED | 01330061 | 16/05/2012 | 09/08/2019 | Dissolved |
| PGH MELMERBY LIMITED | 01392251 | 22/09/1991 | 09/08/2019 | Dissolved |
| RAIL FREIGHT (USERS & SUPPLIERS) GROUP | 03324439 | 17/09/2003 | 09/09/2015 | Silver |
| UKWA LIMITED | 07289592 | 18/06/2010 | 02/07/2014 | Gold |