| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| I C S Research Ltd | 01967375 | 09/08/1994 | Dissolved |
| I C S Scotland Ltd | SC085289 | 09/08/1994 | Dissolved |
| Inhoco 3311 Ltd | 05761891 | 06/07/2006 | Dissolved |
| Trusted Engineering Ltd | 00914248 | 09/08/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 27 FARM STREET MANAGEMENT COMPANY LIMITED | 01793916 | 30/06/1992 | 10/05/1993 | One Red Flag |
| COGENT NOMINEES LIMITED | 01128442 | 22/11/1992 | 22/11/1993 | Dissolved |
| First Investors Agricultural Services(Holdings)limited | 00942652 | 01/09/1992 | 01/09/1993 | Dissolved |
| Functional Safety Consultancy Ltd | 04181075 | 26/01/2005 | 24/11/2010 | Dissolved |
| GP-ELLIOTT ELECTRONIC SYSTEMS LIMITED | 02397549 | 09/08/1994 | 10/08/2011 | Dissolved |
| HENDERSON HOLDINGS LIMITED | 01394018 | 01/09/1992 | 01/09/1993 | Silver |
| HERTS CS LIMITED | 06859339 | 26/03/2009 | 06/12/2013 | Dissolved |
| Henderson Entity One Ltd | 00804124 | 07/08/1992 | 26/03/1993 | Dissolved |
| Henderson Pension Fund Management Ltd | 00762065 | 15/08/1992 | 26/03/1993 | Dissolved |
| Henderson Personal Financial Services Limited | 00948113 | 10/09/1991 | 26/03/1993 | Dissolved |
| ICS TRIPLEX LIMITED | 03249161 | 12/09/1996 | 31/08/2012 | Dissolved |
| ICS TRIPLEX SILVERTECH LIMITED | 01783852 | 26/01/2005 | 15/06/2011 | Dissolved |
| ICS TRIPLEX TECHNOLOGY LIMITED | 01017322 | 09/08/1994 | 02/11/2011 | Dissolved |
| INDUSTRIAL CONTROL SERVICES GROUP LTD | 02553840 | 09/08/1994 | 25/07/2012 | Dissolved |
| Ics Properties Ltd | 02159591 | 09/08/1994 | 15/07/2009 | Dissolved |
| Ics Triplex (Ap) Ltd | 05319144 | 14/01/2005 | 15/07/2009 | Dissolved |
| Ics Triplex Technology Overseas Ltd | 02972957 | 06/09/1995 | 15/07/2009 | Dissolved |
| JANUS HENDERSON ADMINISTRATION UK LIMITED | 00290577 | 13/07/1992 | 26/04/1993 | Silver |
| JANUS HENDERSON FUND MANAGEMENT UK LIMITED | 02678531 | 17/01/1993 | 17/01/1994 | One Red Flag |
| JANUS HENDERSON INVESTORS UK LIMITED | 00906355 | 08/08/1992 | 08/08/1993 | Bronze |
| Kbd Design Ltd | 02626604 | 09/08/1994 | 20/09/1995 | Dissolved |
| LDC (GENERAL PARTNER) LIMITED | 02495635 | 25/04/1992 | 26/03/1993 | One Red Flag |
| LDC (MANAGERS) LIMITED | 02495714 | 25/04/1992 | 26/03/1993 | Bronze |
| LDC VENTURES TRUSTEES LTD | 02495642 | 25/04/1992 | 26/03/1993 | Dissolved |
| Max Control Systems Ltd | 03024363 | 28/04/1995 | 12/10/2000 | Dissolved |
| ROCKWELL AUTOMATION LIMITED | 00872110 | 09/08/1994 | 25/07/2012 | Silver |
| Silvertech Ltd | 05233552 | 26/11/2004 | 15/07/2009 | Dissolved |
| Touche Remnant Ltd | 00973420 | 15/08/1992 | 26/03/1993 | Dissolved |
| Transmitton Ltd | 02924545 | 28/07/1994 | 08/01/2001 | Dissolved |
| Tritrax Holdings Ltd | 04035961 | 29/08/2000 | 02/07/2007 | Dissolved |
| Tritrax Investments Ltd | 02295735 | 09/08/1994 | 02/07/2007 | Dissolved |
| Ukls Investor 1 Ltd | 00871653 | 15/08/1992 | 26/03/1993 | Dissolved |