| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CARTERS OF BURNLEY LIMITED | 01893973 | 05/09/1994 | Dissolved |
| COUNTER CACHE LIMITED | 01796891 | 05/09/1994 | Dissolved |
| COUNTERBANK LIMITED | 01794118 | 05/09/1994 | Dissolved |
| Decidebeam Ltd | 03218071 | 06/03/1997 | Dissolved |
| ELEMCO GROUP LIMITED | 01311508 | 05/09/1994 | Dissolved |
| ELLIS INTEGRAL VALVE LOCKS LIMITED | 00733606 | 05/09/1994 | Dissolved |
| ELLIS INTERLOCK SYSTEMS LIMITED | 01896532 | 25/11/1996 | Dissolved |
| ELMS-LIGHTNING TOOLS & FASTENERS LIMITED | 00641249 | 05/09/1994 | Dissolved |
| FORTRESS SAFETY SERVICES LIMITED | 01760682 | 05/09/1994 | Dissolved |
| GREAT ORMOND STREET HOSPITAL CHILDREN'S CHARITY | 09338724 | 13/01/2020 | Silver |
| HALMA BEA LIMITED | 05132038 | 23/07/2004 | Dissolved |
| HALMA ENVIRONMENTAL CONTROL LIMITED | 00876871 | 05/09/1994 | Dissolved |
| HALMA INDUSTRIES LIMITED | 00458297 | 05/09/1994 | Dissolved |
| HALMA INSTRUMENTS LIMITED | 01290664 | 17/03/2000 | Dissolved |
| HALMA ONBOARD LIMITED | 01858480 | 17/03/2000 | Dissolved |
| HALMA SWITZERLAND LIMITED | 07532197 | 16/02/2011 | Dissolved |
| KERRY ENGINEERING LIMITED | 00170556 | 05/09/1994 | Dissolved |
| LORNE ELECTRONICS LIMITED | 01917226 | 17/03/2000 | Dissolved |
| MICROSCAN LIMITED | 02983886 | 04/10/1999 | Dissolved |
| NORGAN LIMITED | 00073805 | 05/09/1994 | Dissolved |
| OMAL GROUP LIMITED | 00339451 | 17/03/2000 | Dissolved |
| OMAL HOLDINGS LIMITED | 01309869 | 17/03/2000 | Dissolved |
| OMAL INTERNATIONAL LIMITED | 01702525 | 17/03/2000 | Dissolved |
| OMAL MONEYCHECKERS LIMITED | 01010463 | 17/03/2000 | Dissolved |
| OMAL UNIVERSAL LIMITED | 00709356 | 17/03/2000 | Dissolved |
| SPIRAX GROUP PLC | 00596337 | 15/05/2019 | Silver |
| STANDARD CRESSALL LIMITED | 01414580 | 05/09/1994 | Dissolved |
| Uniphax (Parts) Ltd | 00979104 | 13/12/1996 | Dissolved |
| WESSEX ELECTRONICS CONSULTANTS LIMITED | 03044996 | 06/02/2006 | Dissolved |
| Wheeler & Tilling Ltd | 00126348 | 05/09/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A & G SECURITY ELECTRONICS LIMITED | 01018196 | 05/09/1994 | 01/07/2018 | Not Trading |
| ANALYTICAL DEVELOPMENT COMPANY LIMITED | 00957670 | 06/03/2001 | 01/07/2018 | Not Trading |
| AVIRE TRADING LIMITED | 10249656 | 24/06/2016 | 08/07/2016 | Silver |
| Argosy Fenton Ltd | 00248235 | 05/09/1994 | 22/03/2000 | Dissolved |
| BIO-CHEM FLUIDICS LIMITED | 01584890 | 05/09/1994 | 23/09/2009 | Dissolved |
| CASTELL LOCKS LIMITED | 00925371 | 05/09/1994 | 01/07/2018 | Not Trading |
| CASTELL SAFETY TECHNOLOGY LIMITED | 00866817 | 05/09/1994 | 01/07/2018 | Not Trading |
| ELFAB HUGHES LIMITED | 02564873 | 03/03/1995 | 01/07/2018 | Not Trading |
| FFE HOLDINGS LIMITED | 03433256 | 12/03/2008 | 01/07/2018 | Not Trading |
| FIRE FIGHTING ENTERPRISES LIMITED | 01679486 | 05/09/1994 | 01/07/2018 | Not Trading |
| Farmers' Securities Limited | 00759030 | 05/09/1994 | 19/02/2004 | Dissolved |
| HALMA EURO TRADING LIMITED | 06989991 | 13/08/2009 | 01/07/2018 | Silver |
| HALMA FINANCING LIMITED | 05112079 | 14/05/2004 | 01/07/2018 | Silver |
| HALMA INTERNATIONAL LIMITED | 01206652 | 26/11/1996 | 01/07/2018 | Silver |
| HALMA INVESTMENT HOLDINGS LIMITED | 05121441 | 19/05/2004 | 01/07/2018 | Silver |
| HALMA IT SERVICES LIMITED | 01972044 | 06/03/2001 | 01/07/2018 | Not Trading |
| HALMA OVERSEAS FUNDING LIMITED | 06503844 | 14/02/2008 | 01/07/2018 | Silver |
| HALMA PR SERVICES LIMITED | 01796890 | 05/09/1994 | 01/07/2018 | Not Trading |
| HALMA PUBLIC LIMITED COMPANY | 00040932 | 19/08/1997 | 22/04/1998 | Gold |
| HALMA PUBLIC LIMITED COMPANY | 00040932 | 22/04/1998 | 19/07/2018 | Gold |
| HALMA RESISTORS UNLIMITED | 05585086 | 09/12/2005 | 01/07/2018 | Bronze |
| HALMA SAFETY LIMITED | 00671388 | 21/03/2000 | 01/07/2018 | Not Trading |
| HALMA SERVICES LIMITED | 00759029 | 05/09/1994 | 01/07/2018 | Not Trading |
| HANOVIA LIMITED | 01473077 | 05/09/1994 | 22/11/1995 | Bronze |
| ISO-LOK LIMITED | 00920669 | 05/09/1994 | 01/07/2018 | Not Trading |
| MEADOWBRIDGE HOLDINGS LIMITED | 01210055 | 15/08/1991 | 01/07/2018 | Amber |
| MICOTECH LIMITED | 01638313 | 05/09/1994 | 05/01/2000 | Dissolved |
| MISTURA SYSTEMS LIMITED | 02089831 | 04/03/2005 | 01/07/2018 | Not Trading |
| Microphax Ltd | 01173647 | 07/08/1992 | 19/02/2004 | Dissolved |
| Morris Laboratory Instruments Limited | 00691588 | 05/09/1994 | 19/02/2004 | Dissolved |
| PALMER ENVIRONMENTAL LIMITED | 02579634 | 13/03/1997 | 01/07/2018 | Not Trading |
| PALMER ENVIRONMENTAL SERVICES LIMITED | 01734845 | 24/03/2000 | 01/07/2018 | Not Trading |
| POWER EQUIPMENT LIMITED | 00158743 | 05/09/1994 | 01/07/2018 | Not Trading |
| RCS INTERNATIONAL LIMITED | 11269843 | 22/03/2018 | 01/07/2018 | Not Trading |
| RESEARCH ENGINEERS LIMITED | 03212937 | 15/03/2000 | 01/07/2018 | Not Trading |
| RETEN ACOUSTICS LIMITED | 01938049 | 05/09/1994 | 01/07/2018 | Not Trading |
| RPC GROUP LIMITED | 02578443 | 07/09/2017 | 01/07/2019 | Gold |
| S E Leasing Ltd | 00166929 | 05/09/1994 | 19/02/2004 | Dissolved |
| SENTRIC SAFETY GROUP LIMITED | 02432485 | 22/03/2000 | 01/07/2018 | Not Trading |
| SUNTECH GROUP EB TRUSTEE LIMITED | 04513496 | 31/05/2012 | 01/07/2018 | Not Trading |
| TELEGAN GAS MONITORING LIMITED | 02782454 | 10/03/2005 | 01/07/2018 | Not Trading |
| Udal Ltd | 00703019 | 05/09/1994 | 19/02/2004 | Dissolved |
| WILKINSON & SIMPSON LIMITED | 00656908 | 05/09/1994 | 01/07/2018 | Not Trading |