| MCGREGOR WORKS LIMITED | Fabricated metal products | 1979 | Total exemption (full) |
| ROD BROWN ENGINEERING LIMITED | Machinery and equipment | 1987 | Total exemption (full) |
| POWERBOX LIMITED | Electrical equipment | 1989 | Total exemption (full) |
| COLDCONTROL SERVICES LIMITED | Repair and installation of machinery | 1989 | Total exemption (full) |
| MCGREGOR STRUCTURES LIMITED | Textiles | 2000 | Total exemption (full) |
| PRBX (POWERBOX) LIMITED | Electrical equipment | 2002 | Full accounts |
| MOOMIX LIMITED | Food products | 2009 | Total exemption (full) |
| HATTINGLEY VALLEY WINES LIMITED | Beverages | 2010 | Small company accounts |