| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Benchward Ltd | 02190608 | 19/10/1991 | Dissolved |
| Closehouse Minerals Ltd | 02334096 | 11/01/1992 | Dissolved |
| Colorana Ltd | 02978878 | 05/01/1995 | Dissolved |
| Cromford Land Ltd | 04249169 | 28/11/2001 | Dissolved |
| D P L Securities Ltd | 01315833 | 31/12/1991 | Dissolved |
| Hopton Minerals Ltd | 02523729 | 19/07/1991 | Dissolved |
| KEY CHINA LIMITED | 04249156 | 08/12/2001 | Dissolved |
| Linton Chemicals Ltd | 02374717 | 21/04/1991 | Dissolved |
| Thornhill House Ltd | 02871718 | 03/06/2004 | Dissolved |
| V Realisations Ltd | 04249173 | 28/11/2001 | Dissolved |
| VIATON MINERALS LIMITED | 00114987 | 08/08/1991 | Dissolved |
| Viaton Contract Processors Ltd | 02331723 | 29/12/1991 | Dissolved |
| petriphil (uk) ltd | 01309844 | 25/09/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CROMFORD (KEY) ESTATES COMPANY LIMITED | 00380058 | 19/09/1991 | 12/09/2019 | Not Trading |
| CROMFORD GROUP LIMITED | 00230069 | 11/05/1991 | 12/09/2019 | Bronze |
| DERBYSHIRE FLUOR SPA COMPANY LIMITED | 00131400 | 04/04/1991 | 12/09/2019 | Silver |
| DERBYSHIRE FLUOR SPA COMPANY LIMITED | 00131400 | 04/04/1991 | 12/09/2019 | Silver |
| ELLASTONE INVESTMENTS LIMITED | 04841831 | 04/05/2004 | 19/12/2012 | Silver |
| GOLCONDA ENERGY LIMITED | 07184928 | 10/03/2010 | 12/09/2019 | Bronze |
| OXERRA UK LIMITED | 02414292 | 17/08/1991 | 31/07/1998 | Bronze |
| VIA GELLIA INVESTMENT COMPANY (THE) | 00979075 | 19/09/1991 | 12/09/2019 | Bronze |
| VIATON INDUSTRIES LIMITED | 00213795 | 08/08/1991 | 19/12/2012 | Silver |