| HQW AEROSPACE (UK) LIMITED | Machinery and equipment | 1948 | Full accounts |
| ARTEMIS OPTICAL LIMITED | Computers, electronics and optics | 1952 | Audit-exempt subsidiary |
| EAGLE SIGNS LIMITED | Other manufacturing | 1963 | Unaudited abridged |
| PRINCESS YACHTS LIMITED | Ships, aircraft, rail and other transport | 1965 | Full accounts |
| RITTAL-C S M LIMITED | Fabricated metal products | 1965 | Full accounts |
| L.C. AUTOMATION LIMITED | Computers, electronics and optics | 1974 | Total exemption (full) |
| BALDWIN TECHNOLOGY LIMITED | Machinery and equipment | 1975 | Medium company accounts |
| CORNISH SCRUMPY COMPANY LIMITED | Beverages | 1979 | Medium company accounts |
| PLYMOUTH ENGINE & GEARBOX COMPANY LIMITED | Fabricated metal products | 1981 | Unaudited abridged |
| C.A.B. SPECIAL BATTERIES LTD. | Electrical equipment | 1982 | Total exemption (full) |
| DOORS AND WINDOWS LIMITED | Rubber and plastics | 1983 | Unaudited abridged |
| EUROSPARS LIMITED | Other manufacturing | 1986 | Total exemption (full) |
| LIGHTWEAR LIMITED | Printing and recorded media | 1988 | Total exemption (full) |
| APPLIED AUTOMATION (UK) LIMITED | Machinery and equipment | 1990 | Full accounts |
| ALPHA SERVICES (PLYMOUTH) LIMITED | Repair and installation of machinery | 1991 | Total exemption (full) |
| UNION GLASS CENTRES LIMITED | Glass, ceramics, cement and stone | 1991 | Total exemption (full) |
| BAKARE BEDS LIMITED | Furniture | 1993 | Total exemption (full) |
| HIDEAWAY BEDS LIMITED | Furniture | 1993 | Total exemption (full) |
| KAWASAKI PRECISION MACHINERY (UK) LIMITED | Machinery and equipment | 1993 | Full accounts |
| PTG WORKHOLDING LIMITED | Fabricated metal products | 1994 | Small company accounts |
| THORNBURY MANUFACTURING LIMITED | Glass, ceramics, cement and stone | 1995 | Total exemption (full) |
| ACE FIRE ALARMS & SECURITY LIMITED | Other manufacturing | 1995 | Total exemption (full) |
| S.W.P. HYDRAULICS LTD. | Other manufacturing | 1996 | Total exemption (full) |
| TOOLTECH LIMITED | Fabricated metal products | 1997 | Total exemption (full) |
| PUTNAM HEALTH CO LTD. | Other manufacturing | 1997 | Unaudited abridged |
| HERON VALLEY CIDER LIMITED | Beverages | 1997 | Audit-exempt subsidiary |
| S.M.P. PIPE SYSTEMS LIMITED | Repair and installation of machinery | 1997 | Unaudited abridged |
| UNDERHILL ENGINEERING LIMITED | Fabricated metal products | 1998 | Total exemption (full) |
| SILICON SENSING SYSTEMS LIMITED | Other manufacturing | 1998 | Group accounts |
| QUALITY COMPONENT ENGINEERING LIMITED | Other manufacturing | 1998 | Total exemption (full) |
| WESTWOOD EXPORTS LIMITED | Furniture | 1998 | Total exemption (full) |
| MULTIMARINE COMPOSITES LIMITED | Other manufacturing | 1998 | Total exemption (full) |
| BRITISH FILTERS LIMITED | Other manufacturing | 1999 | Total exemption (full) |
| EDDYSTONE EEL LIMITED | Rubber and plastics | 1999 | Total exemption (full) |
| SW BLINDS AND INTERIORS LTD | Textiles | 1999 | Total exemption (full) |
| DARTMOUTH FOODS LTD | Food products | 2000 | Full accounts |
| SUN WATER COOLERS LTD. | Repair and installation of machinery | 2000 | Total exemption (full) |
| PLESSEY SEMICONDUCTORS LIMITED | Computers, electronics and optics | 2000 | Full accounts |
| KITTO'S OF DEVON LIMITED | Food products | 2001 | Total exemption (full) |
| CORNISH SCRUMPY HOLDINGS LIMITED | Beverages | 2001 | Full accounts |
| BIKEAWAY LIMITED | Ships, aircraft, rail and other transport | 2001 | Total exemption (full) |
| SIGNIFICANT SIGNS LIMITED | Other manufacturing | 2001 | Total exemption (full) |
| TELEBIZZ LTD | Printing and recorded media | 2002 | Total exemption (full) |
| CRUMB RUBBER LTD. | Rubber and plastics | 2002 | Total exemption (full) |
| A C HAINES ENGINEERING LTD | Fabricated metal products | 2002 | Total exemption (full) |
| 100% STAINLESS LIMITED | Fabricated metal products | 2002 | Unaudited abridged |
| SIGMA PRECISION ENGINEERING LTD. | Machinery and equipment | 2002 | Audit-exempt subsidiary |
| QUADTECH UK LIMITED | Repair and installation of machinery | 2002 | Small company accounts |
| ADTEC SYSTEMS LIMITED | Repair and installation of machinery | 2002 | Total exemption (full) |
| FRIARY MILL BAKERY LIMITED | Food products | 2002 | Total exemption (full) |
| ARC METALCRAFT LIMITED | Fabricated metal products | 2003 | Total exemption (full) |
| ANTEX (ELECTRONICS) LIMITED | Electrical equipment | 2003 | Total exemption (full) |
| OAKMOUNT CONTROL SYSTEMS LIMITED | Machinery and equipment | 2003 | Total exemption (full) |
| DISC MANUFACTURING SERVICES LTD | Printing and recorded media | 2004 | Total exemption (full) |
| ESPIER LTD | Fabricated metal products | 2004 | Total exemption (full) |
| K K CONTROLS AND EQUIPMENT LTD | Motor vehicles and parts | 2004 | Total exemption (full) |
| FLEXIHOSE (PLYMOUTH) LTD | Rubber and plastics | 2004 | Total exemption (full) |
| SOUTH WEST WELDING SUPPLIES LTD | Other manufacturing | 2005 | Total exemption (full) |
| PR NAUTICA LIMITED | Repair and installation of machinery | 2006 | Total exemption (full) |
| M SUBS LIMITED | Other manufacturing | 2006 | Group accounts |