| DEAN AND TRANTER LIMITED | Other manufacturing | 1920 | Total exemption (full) |
| CORINTECH LIMITED | Computers, electronics and optics | 1977 | Full accounts |
| PDQ AIRSPARES LIMITED | Ships, aircraft, rail and other transport | 1990 | Full accounts |
| DELICHON LIMITED | Ships, aircraft, rail and other transport | 1996 | Total exemption (full) |
| ALLSOPP HELIKITES LIMITED | Machinery and equipment | 1997 | Total exemption (full) |
| PDQ GROUP LIMITED | Ships, aircraft, rail and other transport | 2002 | Group accounts |
| S.K. MACHINE TOOLS LIMITED | Repair and installation of machinery | 2002 | Total exemption (full) |
| FLEXICOVERS LIMITED | Ships, aircraft, rail and other transport | 2003 | Total exemption (full) |