| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMRON SECURITY SYSTEMS LIMITED | 07153255 | 10/02/2010 | Gold |
| Alarm Technologies Ltd | 02961282 | 23/08/1994 | Dissolved |
| Alarm World Ltd | 03123771 | 08/11/1995 | Dissolved |
| Amron Electronics Ltd | 02962194 | 25/08/1994 | Dissolved |
| Amron Marketing Ltd | 02439591 | 03/11/1991 | Dissolved |
| Amron Products Ltd | 03120315 | 31/10/1995 | Dissolved |
| Conrex Ltd. | 02887965 | 28/01/1994 | Dissolved |
| Cummings Brothers Ltd | 03212238 | 26/07/1996 | Dissolved |
| Eyeteq Plc | 04257388 | 23/07/2001 | Dissolved |
| I TEQ LIMITED | 06708123 | 25/09/2008 | Not Trading |
| I TEQ LIMITED | 06708123 | 25/09/2008 | Not Trading |
| Interlect Security Systems Ltd | 01838786 | 31/12/1990 | Dissolved |
| RGL ELECTRONICS LIMITED | 03824700 | 13/08/1999 | Silver |
| SOL ENERGY LIMITED | 04411889 | 04/03/2004 | Dissolved |
| SOL ENERGY LIMITED | 04411889 | 01/05/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Amron Systems Ltd | 02961281 | 23/08/1994 | 12/04/2002 | Dissolved |
| BRITISH SECURITY INDUSTRY ASSOCIATION LIMITED(THE) | 00896431 | 12/07/2017 | 12/05/2021 | Silver |
| N S I N The Alarm People Ltd | 03414184 | 04/08/1997 | 08/01/2000 | Dissolved |
| NEWHAMPTON ROAD MOTORS LTD | 04720284 | 02/04/2003 | 07/12/2007 | Dissolved |
| Philburn Products Ltd | 02582630 | 25/02/1991 | 25/04/1991 | Dissolved |
| Philburn Products Ltd | 02582630 | 25/02/1991 | 25/04/1991 | Dissolved |
| VISITAS LIMITED | 04068817 | 03/07/2003 | 30/05/2007 | Dissolved |