| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Annex Consultants Ltd | 02911574 | 08/09/1999 | Dissolved |
| ELECTRO SILICA OIL & GAS LIMITED | 04545456 | 11/03/2003 | Dissolved |
| Green Recycle International Ltd | 04633831 | 15/03/2003 | Dissolved |
| Home Security Guards Limited | 02643460 | 05/09/1991 | Dissolved |
| STERIWAVE GALACTICA UK LTD | 07023964 | 20/09/2009 | Dissolved |
| STERIWAVE LEVITRON (HUNGARY) LTD | 07016791 | 13/09/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 21ST CENTURY FILMWORKS LIMITED | 06792384 | 02/10/2009 | 23/12/2019 | Not Trading |
| ALLIED GOLD RESOURCES LTD | 05851677 | 15/05/2012 | 08/11/2019 | Silver |
| ALLIED OIL & GAS LTD | 05743869 | 15/05/2012 | 08/11/2019 | Gold |
| Annex Consultants Ltd | 02911574 | 14/11/1997 | 14/07/1998 | Dissolved |
| Bcg-Summit Ltd | 03052322 | 01/06/1995 | 22/11/1996 | Dissolved |
| DOME PETROLEUM RESOURCES LTD | 05454245 | 19/05/2012 | 29/08/2018 | Silver |
| E C E Energy Technology Ltd | 06504549 | 01/05/2008 | 20/02/2009 | Dissolved |
| ECE TECHNOLOGIES LIMITED | 06585586 | 06/05/2008 | 13/01/2010 | Dissolved |
| Ece Science & Technology Ltd | 06818094 | 12/02/2009 | 13/01/2010 | Dissolved |
| Electro Silica Group Ltd | 05286961 | 15/11/2004 | 19/01/2005 | Dissolved |
| F & F GLOBAL INVESTMENTS LIMITED | 05105215 | 19/04/2004 | 19/04/2004 | Dissolved |
| GAK EUROPE LTD | 09007181 | 19/09/2014 | 23/12/2019 | Dissolved |
| GLOBAL APOLLO KLEANGAS LTD | 07940567 | 14/06/2012 | 23/12/2019 | Dissolved |
| GLOBAL ENERGY KLEANGAS LTD | 07836981 | 28/02/2012 | 23/12/2019 | Dissolved |
| GLOBAL ENERGY TECHNOLOGY LTD | 06675297 | 20/08/2008 | 23/12/2019 | Silver |
| I G I Group Plc | 03079121 | 08/09/1999 | 14/12/2001 | Dissolved |
| JURASSICA OIL & GAS LTD | 05921375 | 15/05/2012 | 08/11/2019 | Gold |
| PHOENIX RESOURCES LTD | 05770314 | 15/05/2012 | 08/11/2019 | Silver |
| STERIWAVE (HUNGARY) LTD | 06987278 | 11/08/2009 | 23/05/2011 | Bronze |
| STERIWAVE (HUNGARY) LTD | 06987278 | 11/08/2009 | 23/12/2019 | Bronze |
| STERIWAVE LTD | 05527733 | 19/03/2007 | 23/12/2019 | Silver |
| STERIWAVE QUANTUM COMPUTER LTD | 07033293 | 30/09/2010 | 03/09/2012 | Dissolved |
| STERIWAVE STARTEC LTD | 07567069 | 07/04/2011 | 03/09/2012 | Dissolved |
| STERIWAVE TERRAFORMING LTD | 07683122 | 28/06/2012 | 03/09/2012 | Dissolved |
| STERIWAVE UK/BRAZIL QC LTD | 07084436 | 24/11/2009 | 23/12/2019 | Dissolved |
| STERIWAVE-GDT-TEK LTD | 07737507 | 13/08/2012 | 23/12/2019 | Dissolved |
| UNITED OIL LTD | 05756534 | 15/05/2012 | 23/12/2019 | Dissolved |
| WHARF RESOURCES LTD | 05497670 | 15/05/2012 | 08/11/2019 | Amber |
| YELLOW ENERGY LTD | 07017141 | 15/05/2012 | 23/12/2019 | Not Trading |