| A. SCHULMAN INC. LIMITED | Rubber and plastics | 1952 | Full accounts |
| F.C. BROWN (STEEL EQUIPMENT) LIMITED | Furniture | 1961 | Full accounts |
| J & B SEWING MACHINE COMPANY LIMITED | Machinery and equipment | 1961 | Unaudited abridged |
| ENERSYS LTD. | Electrical equipment | 1962 | Full accounts |
| STATELY-ALBION LIMITED | Other manufacturing | 1964 | Full accounts |
| CICOR NEWPORT LTD | Computers, electronics and optics | 1967 | Full accounts |
| JOHNSON ELECTRIC INTERNATIONAL (UK) LIMITED | Electrical equipment | 1967 | Full accounts |
| CERAMIC SUBSTRATES & COMPONENTS LIMITED | Glass, ceramics, cement and stone | 1968 | Total exemption (full) |
| CONBURY COMPOSITES LIMITED | Rubber and plastics | 1969 | Total exemption (full) |
| CAPITAL COATED STEEL LIMITED | Basic metals | 1972 | Full accounts |
| MACWARD STEEL SLITTING SERVICES LIMITED | Fabricated metal products | 1975 | Small company accounts |
| BRUNEL STEEL SERVICES LIMITED | Fabricated metal products | 1977 | Small company accounts |
| PARLEX (EUROPE) LIMITED | Other manufacturing | 1977 | Full accounts |
| D.G. HOWELL (HYDRAULIC ENGINEERS) LIMITED | Other manufacturing | 1979 | Total exemption (full) |
| HEATSTAR LIMITED | Electrical equipment | 1980 | Total exemption (full) |
| R.J. BATEMAN (ENGINEERING) LIMITED | Other manufacturing | 1980 | Full accounts |
| TELLERMATE LIMITED | Computers, electronics and optics | 1980 | Full accounts |
| DRUMLORD LIMITED | Rubber and plastics | 1981 | Total exemption (full) |
| INDUSTRIAL AUTOMATION AND CONTROL LIMITED | Electrical equipment | 1982 | Group accounts |
| STAINLESS SERVICES LIMITED | Fabricated metal products | 1982 | Total exemption (full) |
| AQUASCAN INTERNATIONAL LIMITED | Other manufacturing | 1982 | Total exemption (full) |
| STANDARD SIGNS & TRAFFIC SYSTEMS LIMITED | Rubber and plastics | 1983 | Total exemption (full) |
| LINETOP LIMITED | Computers, electronics and optics | 1983 | Total exemption (full) |
| LOGITECH ELECTRONICS LIMITED | Computers, electronics and optics | 1985 | Total exemption (full) |
| CINTEC INTERNATIONAL LIMITED | Fabricated metal products | 1985 | Total exemption (full) |
| DAVID DOWLING LIMITED | Fabricated metal products | 1985 | Total exemption (full) |
| PAVECOST MANUFACTURING LIMITED | Computers, electronics and optics | 1986 | Total exemption (full) |
| L.C.M. SYSTEMS LIMITED | Computers, electronics and optics | 1986 | Small company accounts |
| MORGANS OF USK LIMITED | Basic metals | 1987 | Full accounts |
| BRAITHWAITE ENGINEERS LIMITED | Fabricated metal products | 1987 | Small company accounts |
| STAIRWAY JOINERY LIMITED | Wood products | 1988 | Audit-exempt subsidiary |
| TED HOPKINS LIMITED | Repair and installation of machinery | 1989 | Total exemption (full) |
| HALO FOODS LIMITED | Food products | 1989 | Full accounts |
| TRASTON WELDERS LIMITED | Fabricated metal products | 1990 | Total exemption (full) |
| SWIFT STEEL SERVICES LIMITED | Basic metals | 1990 | Audited abridged |
| ADVANCED ELASTOMER SYSTEMS UNLIMITED | Chemicals | 1990 | Full accounts |
| CONTACT RADIO COMMUNICATIONS LIMITED | Repair and installation of machinery | 1990 | Total exemption (full) |
| CAPITAL TRADING (HOLDINGS) LIMITED | Fabricated metal products | 1991 | Total exemption (full) |
| WORMAN CONSTRUCTION LIMITED | Fabricated metal products | 1992 | Unaudited abridged |
| SPIRAFIX LIMITED | Fabricated metal products | 1992 | Total exemption (full) |
| CELTIC KILNCARE LIMITED | Glass, ceramics, cement and stone | 1992 | Total exemption (full) |
| BENCHMARK LABELS LIMITED | Printing and recorded media | 1993 | Total exemption (full) |
| H & G EXPLOSIVES SERVICES LTD. | Fabricated metal products | 1993 | Total exemption (full) |
| SYNERGY PLASTICS LIMITED | Rubber and plastics | 1995 | Total exemption (full) |
| INDUSTRIAL DOOR SERVICES LIMITED | Other manufacturing | 1995 | Total exemption (full) |
| ROCHESTER MIDLAND CORPORATION LIMITED | Chemicals | 1996 | Small company accounts |
| INFLIGHT PERIPHERALS LIMITED | Other manufacturing | 1996 | Full accounts |
| FORALL LIMITED | Fabricated metal products | 1996 | Small company accounts |
| RUSHAR LIMITED | Repair and installation of machinery | 1996 | Total exemption (full) |
| ISLAND STRUCTURAL LIMITED | Fabricated metal products | 1996 | Unaudited abridged |
| ANTHONY A DAVIES LIMITED | Wood products | 1997 | Total exemption (full) |
| BIOMETRICS LIMITED | Other manufacturing | 1997 | Total exemption (full) |
| AXIOM MANUFACTURING SERVICES LTD. | Electrical equipment | 1997 | Full accounts |
| UK & IE FLORA GROUP LIMITED | Other manufacturing | 1997 | Group accounts |
| GTW DEVELOPMENTS GROUP LTD | Machinery and equipment | 1997 | Unaudited abridged |
| VECTAWAVE TECHNOLOGY LIMITED | Computers, electronics and optics | 1997 | Total exemption (full) |
| DECORPANEL KBB LIMITED | Furniture | 1997 | Audit-exempt subsidiary |
| HOPKINS CATTLE GRIDS LTD | Fabricated metal products | 1998 | Total exemption (full) |
| JAMESTOWN MANUFACTURING UK LIMITED | Basic metals | 1998 | Audited abridged |
| A D PRECISION ENGINEERING LIMITED | Fabricated metal products | 1998 | Total exemption (full) |