| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DESIGN PARADIGM LIMITED | 03489556 | 06/07/2007 | Dissolved |
| DESIGN PARADIGM LIMITED | 03489556 | 06/07/2007 | Dissolved |
| IONEX SG LIMITED | 07542023 | 24/02/2011 | Silver |
| LEEDS VALVE CO. LIMITED | 08556815 | 05/06/2013 | Dissolved |
| QTRCO-SG LTD | 10063119 | 15/03/2016 | Dissolved |
| QUANTAPOINT EUROPE LIMITED | 07359444 | 27/08/2010 | Dissolved |
| SASPG INTERNATIONAL LIMITED | 06442498 | 30/11/2007 | Dissolved |
| SEVERN GLOCON GROUP LIMITED | 02134858 | 26/03/1996 | Insolvent |
| SEVERN GLOCON LIMITED | 00688539 | 26/03/1996 | Amber |
| SEVERN GLOCON LIMITED | 00688539 | 31/03/1992 | Amber |
| SEVERN GLOCON TECHNOLOGIES LIMITED | 04819753 | 28/06/2013 | Dissolved |
| SMART COMPONENT TECHNOLOGIES LIMITED | 07879182 | 30/03/2015 | One Red Flag |
| Saspg Internation Ltd | 06389185 | 03/10/2007 | Dissolved |
| Severn Itorque Ltd | 06358630 | 03/09/2007 | Dissolved |
| THE SAFETY KNIFE CO. LTD. | 02827044 | 11/07/2004 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| L.B. BENTLEY LIMITED | 01059801 | 31/05/2012 | 20/12/2019 | Silver |
| MARS VALVE UK LIMITED | 03914296 | 28/04/2011 | 20/12/2019 | Silver |
| SEVERN GLOCON (ABERDEEN) LTD | 07191242 | 16/03/2010 | 20/12/2019 | Silver |
| SEVERN UNIVAL LIMITED | 01564220 | 16/03/1998 | 20/12/2019 | Amber |
| SEVERN UNIVAL LIMITED | 01564220 | 16/03/1998 | 20/12/2019 | Amber |