| TAAB LABORATORIES EQUIPMENT LIMITED | Chemicals | 1980 | Total exemption (full) |
| DACO SCIENTIFIC LIMITED | Computers, electronics and optics | 1987 | Group accounts |
| FLUID CONTROLS LIMITED | Machinery and equipment | 1988 | Small company accounts |
| PERIPHERAL VISION (TECHNOLOGY) LIMITED | Computers, electronics and optics | 1991 | Total exemption (full) |
| QUALITY CARPENTRY & JOINERY LIMITED | Wood products | 2003 | Total exemption (full) |
| ELITE TRANSDUCERS LTD | Computers, electronics and optics | 2006 | Total exemption (full) |
| STONEWORK BY STEVE LTD | Glass, ceramics, cement and stone | 2009 | Total exemption (full) |
| S+C ASSOCIATES LIMITED | Printing and recorded media | 2009 | Total exemption (full) |