| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CORNWALL COMMUNITY FOUNDATION | 04816191 | 15/09/2003 | 23/08/2006 | Gold |
| CORNWALL DEVELOPMENT COMPANY LTD | 03668828 | 11/01/1999 | 02/01/2001 | Silver |
| ENGLISH CHINA CLAYS | 00154236 | 01/01/1995 | 30/09/1998 | Dissolved |
| English China Clays Executive Pension Fund Trustees Ltd | 01588581 | 26/05/1994 | 13/02/1996 | Dissolved |
| IMERYS MINERALS LIMITED | 00269255 | 16/01/1993 | 30/09/1998 | Bronze |
| IMERYS UK PENSION FUND TRUSTEES LIMITED | 01588199 | 26/05/1994 | 13/02/1996 | Not Trading |
| Ocean Housing Ltd | 03679400 | 07/12/1998 | 04/07/2001 | Dissolved |
| South Coast U K Ltd | 00344734 | 08/04/1994 | 30/09/1998 | Dissolved |
| WHEAL MARTYN ENTERPRISES LIMITED | 02599839 | 23/09/1992 | 26/02/2009 | Gold |
| WHEAL MARTYN TRUST | 01160460 | 20/07/1992 | 26/02/2009 | Silver |
| Western Excavating (E C C) Ltd | 00344667 | 06/05/1997 | 30/09/1998 | Dissolved |