| BERTOPACK SERVICES LIMITED | Repair and installation of machinery | 1974 | Total exemption (full) |
| DEVON CLOCKS LIMITED | Other manufacturing | 1983 | Total exemption (full) |
| BROWN BROTHERS GROUP LIMITED | Paper and paperboard | 1983 | Small company accounts |
| THE EUROTECH GROUP PLC | Computers, electronics and optics | 1991 | Group accounts |
| INVERTER FUSION LIMITED | Machinery and equipment | 1991 | Small company accounts |
| TWM TECHNOLOGY LIMITED | Fabricated metal products | 1992 | Small company accounts |
| CREATIVE PAPER PRODUCTS LIMITED | Paper and paperboard | 1992 | Small company accounts |
| EXE T.C. LIMITED | Machinery and equipment | 1999 | Total exemption (full) |
| MPS GLASS AND WINDOW CENTRE LIMITED | Rubber and plastics | 2001 | Total exemption (full) |
| ANDREW NEBBETT DESIGNS LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| BKS (MADE TO MEASURE) LIMITED | Clothing | 2003 | Total exemption (full) |
| GSL SERVICING LIMITED | Electrical equipment | 2005 | Total exemption (full) |
| SHEDS DIRECT DEVON LIMITED | Wood products | 2007 | Total exemption (full) |
| TITANIUM MICRO-FASTENERS LIMITED | Fabricated metal products | 2009 | Total exemption (full) |