| SEA GEMS LIMITED | Other manufacturing | 1962 | Total exemption (full) |
| DEVORAN METALS LIMITED | Fabricated metal products | 1966 | Total exemption (full) |
| CORNWALL ALUMINIUM WINDOW CO. LIMITED | Other manufacturing | 1976 | Total exemption (full) |
| CORNISH CONCRETE PRODUCTS LIMITED | Other manufacturing | 1978 | Full accounts |
| B.J. PRESS LIMITED | Printing and recorded media | 1987 | Total exemption (full) |
| C.A.W. (CORNWALL) LIMITED | Other manufacturing | 1987 | Total exemption (full) |
| FORWARD GLASS LIMITED | Glass, ceramics, cement and stone | 1990 | Full accounts |
| VAUGHAN INDUSTRIES LIMITED | Computers, electronics and optics | 1990 | Total exemption (full) |
| TEAGLE MACHINERY LIMITED | Machinery and equipment | 1996 | Full accounts |
| LYNHER DAIRY LIMITED | Food products | 1997 | Total exemption (full) |
| KENSA HEAT PUMPS LIMITED | Fabricated metal products | 1999 | Small company accounts |
| RIVENTA LTD | Computers, electronics and optics | 2000 | Small company accounts |
| CARLEYS OF CORNWALL LIMITED | Food products | 2000 | Total exemption (full) |
| IOSYM LIMITED | Other manufacturing | 2000 | Total exemption (full) |
| OUT OF WOOD LIMITED | Furniture | 2001 | Total exemption (full) |
| DAVID PAULL (CNC) ENGINEERING LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| N J GLANVILLE (CORNWALL) LIMITED | Furniture | 2003 | Total exemption (full) |
| KENYON AGENCIES LTD | Chemicals | 2004 | Total exemption (full) |
| BLUE FIN YACHTS LTD | Repair and installation of machinery | 2006 | Total exemption (full) |
| BUTLER TRADITIONAL WOODEN BOATS LIMITED | Ships, aircraft, rail and other transport | 2006 | Total exemption (full) |
| CHRISTOPHER ELLIS AND SON LIMITED | Beverages | 2006 | Total exemption (full) |
| CALLESTICK FARM ICE CREAM LIMITED | Food products | 2006 | Total exemption (full) |
| DENIS MAY & SONS LIMITED | Glass, ceramics, cement and stone | 2006 | Full accounts |
| CALLESTICK CARAVAN SERVICES LTD | Repair and installation of machinery | 2009 | Total exemption (full) |
| GRIPSURE (UK) LIMITED | Other manufacturing | 2010 | Total exemption (full) |
| HETTY HEARTS LIMITED | Other manufacturing | 2010 | Total exemption (full) |
| KITCHEN KIT LTD | Furniture | 2010 | Total exemption (full) |
| OTTER SURFBOARDS LIMITED | Wood products | 2010 | Total exemption (full) |