| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Assista Ltd | 03289126 | 08/12/1997 | Dissolved |
| Assura Ltd | 03289122 | 08/12/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CTI GROUP LIMITED | 01792086 | 30/06/1994 | 01/03/1995 | Dissolved |
| Dorset Training & Enterprise Council | 02415007 | 17/01/1995 | 02/12/1996 | Dissolved |
| Glasgow Rail Maintenance Ltd | 02968607 | 06/06/1995 | 01/12/1997 | Dissolved |
| Insight Consulting Ltd | 02651737 | 16/01/2001 | 18/09/2002 | Dissolved |
| OMNETICA NETWORK SYSTEMS LIMITED | 01136753 | 18/01/1994 | 01/03/1995 | Dissolved |
| ROKE MANOR RESEARCH LIMITED | 00267550 | 01/01/1998 | 12/06/2001 | Gold |
| S G C S Ltd | 02595256 | 08/12/1997 | 18/03/2002 | Dissolved |
| SGCS SALES AND SERVICES LIMITED | 00156948 | 09/12/1997 | 18/03/2002 | Insolvent |
| SIEMENS BENEFITS SCHEME LIMITED | 02543236 | 31/03/1994 | 01/04/2011 | Not Trading |
| SIEMENS BENEFITS SCHEME PROPERTY LIMITED | 08000711 | 12/06/2012 | 31/01/2015 | Dissolved |
| SIEMENS HOLDINGS PLC | 02465263 | 01/01/1998 | 30/09/2002 | Silver |
| SIEMENS PUBLIC LIMITED COMPANY | 00727817 | 01/10/1992 | 31/12/1997 | Silver |
| Schrack Components Ltd | 01844612 | 01/09/1996 | 01/12/1997 | Dissolved |
| Siemens Business Communication Systems Ltd | 03073844 | 27/07/1998 | 18/03/2002 | Dissolved |
| Siemens Communications (International) Ltd | 03264460 | 09/12/1997 | 30/09/2002 | Dissolved |
| Siemens Communications Ltd | 03289115 | 05/12/1997 | 30/09/2002 | Dissolved |
| Siemens Company Secretariat Ltd | 01524163 | 09/12/1997 | 18/03/2002 | Dissolved |
| Siemens Microelectronics Ltd | 01665663 | 01/01/1996 | 31/12/1997 | Dissolved |
| Siemens Real Estate Developments Ltd | 01194995 | 04/03/1996 | 01/12/1997 | Dissolved |
| Siemens Supplementary Benefits Scheme Ltd | 04279047 | 06/03/2002 | 30/09/2002 | Dissolved |
| Siemens Transportation Systems Ltd | 02702102 | 01/10/1994 | 01/12/1997 | Dissolved |
| Tickford Rail Ltd | 02580965 | 06/06/1995 | 27/04/1998 | Dissolved |
| WASHWOOD HEATH RAIL SERVICES LTD | 03001044 | 06/06/1995 | 01/12/1997 | Dissolved |
| Wolverton Rail Maintenance Ltd | 02968584 | 06/06/1995 | 01/12/1997 | Dissolved |