| ELEMENTAL MICRO-ANALYSIS LIMITED | Chemicals | 1976 | Total exemption (full) |
| F.W. YELLAND & SON (NORTHLEW) LIMITED | Fabricated metal products | 1978 | Total exemption (full) |
| QUANTUM PRODUCTION LIMITED | Computers, electronics and optics | 1981 | Total exemption (full) |
| GREENSPACE DESIGNS LIMITED | Furniture | 2001 | Unaudited abridged |
| D.A. & L.A. HOLWILL LIMITED | Repair and installation of machinery | 2003 | Total exemption (full) |
| PEARTON TOOLING COMPANY LIMITED | Machinery and equipment | 2006 | Total exemption (full) |
| EQUAFLEECE LIMITED | Textiles | 2006 | Total exemption (full) |
| TINTAGEL BREWERY LIMITED | Beverages | 2006 | Total exemption (full) |
| A.F. MAINTENANCE LIMITED | Repair and installation of machinery | 2008 | Unaudited abridged |