| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| PORTENT LIMITED | 02784055 | 12/12/1995 | Dissolved |
| PORTENT LIMITED | 02784055 | 12/12/1995 | Dissolved |
| RUBYSTONE INVESTMENTS LIMITED | 02677821 | 15/01/1993 | Silver |
| TAP ENGINEERING SERVICES (GER.) LIMITED | 03599550 | 13/07/1998 | Dissolved |
| TAP ENGINEERING SERVICES (NOR) LIMITED | 02934831 | 01/06/1994 | One Red Flag |
| TAP ENGINEERING SERVICES LIMITED | 02141598 | 22/12/1992 | Bronze |
| TAP HOLDINGS LIMITED | 03499140 | 26/01/1998 | Bronze |
| TAP INTERNATIONAL SERVICES (DK) LIMITED | 07411024 | 18/10/2010 | Dissolved |
| TAP INTERNATIONAL SERVICES (SA) LIMITED | 07404057 | 12/10/2010 | Dissolved |
| TAP INTERNATIONAL SERVICES (SPAIN) LIMITED | 08237811 | 02/10/2012 | Dissolved |
| TAP INTERNATIONAL SERVICES (SWE) LIMITED | 07959318 | 21/02/2012 | One Red Flag |
| TAP INTERNATIONAL SERVICES LIMITED | 03139187 | 13/12/1995 | One Red Flag |
| Tap Engineering Services (Den.) Ltd | 03525089 | 11/03/1998 | Dissolved |
| Tap Engineering Services (Isl) Ltd | 03168349 | 29/02/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Kam U K Ltd | 02534654 | 28/08/1992 | 03/11/1992 | Dissolved |
| Mecivel Ltd | 02673818 | 17/12/1991 | 03/11/1992 | Dissolved |