| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MAYFLOWER OILFIELD SERVICES LIMITED | 00924700 | 14/02/1991 | Dissolved |
| MAYFLOWER OILFIELD SERVICES LIMITED | 00924700 | 14/02/1991 | Dissolved |
| WILLBOX LIMITED | 04075696 | 21/09/2000 | One Red Flag |
| WILLIAMS MARINE & PORT SERVICES LIMITED | 05087740 | 11/08/2004 | Dissolved |
| WILLIAMS MARINE LUBRICANTS LIMITED | 03190482 | 03/06/1996 | Gold |
| WILLIAMS SHIPPING HOLDINGS LIMITED | 00376891 | 15/02/1991 | Silver |
| WILLIAMS SHIPPING MARINE LIMITED | 02324176 | 15/02/1991 | Gold |
| WILLIAMS SHIPPING TRANSPORT LIMITED | 04045627 | 08/09/2000 | Gold |
| Williams Shipping Environmental Ltd | 01640986 | 14/02/1991 | Dissolved |
| Williams Shipping Environmental Ltd | 01640986 | 14/02/1991 | Dissolved |
| Wilship Freight Ltd | 01340041 | 14/02/1991 | Dissolved |
| Wilship Freight Ltd | 01340041 | 14/02/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CITY COLLEGE SERVICES LIMITED | 03239571 | 26/02/2008 | 20/09/2010 | Dissolved |