| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADVANCED NEON INDUSTRIES LIMITED | 03790862 | 16/06/1999 | Dissolved |
| DIALMODE (261) LIMITED | 04913080 | 17/11/2003 | Dissolved |
| Dialmode (258) Ltd | 04647284 | 17/11/2003 | Dissolved |
| RIDGESIDE ENGINEERING LIMITED | 01059389 | 18/07/1991 | Dissolved |
| TIMBER CREATION LIMITED | 09819293 | 12/10/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AC/DC LIGHTING SYSTEMS LIMITED | 05005498 | 02/03/2004 | 07/09/2015 | Dissolved |
| DIALMODE (259) LIMITED | 04647277 | 17/11/2003 | 20/12/2018 | Insolvent |
| DIALMODE (260) LIMITED | 04648097 | 17/11/2003 | 22/03/2013 | Dissolved |
| LIGHTING & ILLUMINATION TECHNOLOGY EXPERIENCE LIMITED | 04246192 | 11/07/2001 | 03/05/2006 | Silver |
| SILVERHILL SYSTEMS LIMITED | 02880825 | 24/01/1994 | 22/03/2013 | Dissolved |
| STANDEL DAWMAN HOLDINGS LIMITED | 00508838 | 18/07/1991 | 21/07/2020 | Insolvent |
| STANDEL DAWMAN LIMITED | 05005337 | 02/03/2004 | 28/11/2017 | Bronze |