| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGGREGATE INDUSTRIES HOLDINGS LIMITED | 00182412 | 01/03/2002 | 09/11/2006 | Bronze |
| CABLE & WIRELESS INTERNET SERVICES, INC. | FC023518 | 13/11/2001 | 03/02/2002 | Bronze |
| CABLE & WIRELESS LIMITED | 00238525 | 21/08/2000 | 31/01/2003 | Amber |
| CABLE AND WIRELESS (WEST INDIES) LIMITED | 00011116 | 17/04/2000 | 31/01/2003 | Gold |
| Cable & Wireless (Far East) Holding Ltd | 04398142 | 21/03/2002 | 31/01/2003 | Dissolved |
| Cable & Wireless Regional Holdings Ltd | 04060599 | 22/08/2000 | 11/12/2000 | Dissolved |
| EXTREME NETWORKS UK TECHNOLOGY LIMITED | 02153164 | 01/09/1997 | 31/03/1998 | One Red Flag |
| NTL (CWC) LIMITED | 03288998 | 01/07/1998 | 06/09/1999 | Dissolved |