| ALBERT BROWNE LIMITED | Chemicals | 1908 | Full accounts |
| VOLEX PLC | Computers, electronics and optics | 1919 | Group accounts |
| BLATCHFORD LIMITED | Other manufacturing | 1919 | Audit-exempt subsidiary |
| LABCOLD LIMITED | Other manufacturing | 1932 | Full accounts |
| ELI LILLY AND COMPANY LIMITED | Pharmaceuticals | 1934 | Full accounts |
| JOHN M.CARTER,LIMITED | Textiles | 1934 | Total exemption (full) |
| GORDIAN STRAPPING LIMITED | Repair and installation of machinery | 1937 | Full accounts |
| ELECTRICAL STEAM & MINING EQUIPMENT LIMITED | Machinery and equipment | 1939 | Total exemption (full) |
| BAYHAM LIMITED | Computers, electronics and optics | 1945 | Total exemption (full) |
| DE LA RUE INTERNATIONAL LIMITED. | Printing and recorded media | 1962 | Full accounts |
| MIDDLESEX GROUP LIMITED | Ships, aircraft, rail and other transport | 1962 | Group accounts |
| APL PLASTICS LIMITED | Rubber and plastics | 1962 | Total exemption (full) |
| ITT INDUSTRIES LIMITED | Machinery and equipment | 1964 | Small company accounts |
| TRIDONIC UK LIMITED | Electrical equipment | 1966 | Full accounts |
| STORCK UK LIMITED | Food products | 1969 | Full accounts |
| SYNERGY HEALTH (UK) LIMITED | Other manufacturing | 1970 | Full accounts |
| INDUCTOTHERM HEATING & WELDING LIMITED | Machinery and equipment | 1971 | Full accounts |
| BIOMERIEUX UK LIMITED | Other manufacturing | 1972 | Full accounts |
| URBIS SCHREDER LTD | Repair and installation of machinery | 1973 | Full accounts |
| WICKS AND WILSON LIMITED | Computers, electronics and optics | 1973 | Total exemption (full) |
| KULITE SENSORS LIMITED | Computers, electronics and optics | 1974 | Small company accounts |
| FARLEYGREENE LIMITED | Machinery and equipment | 1976 | Total exemption (full) |
| LEVERTONHELM LIMITED | Chemicals | 1976 | Full accounts |
| ASHBY TRADE SIGN SUPPLIES LIMITED | Fabricated metal products | 1979 | Total exemption (full) |
| ELI LILLY GROUP LIMITED | Pharmaceuticals | 1979 | Full accounts |
| SIGNWAY SUPPLIES (DATCHET) LIMITED | Other manufacturing | 1979 | Total exemption (full) |
| SWARCO UK & IRELAND LTD | Electrical equipment | 1980 | Full accounts |
| REVIEW DISPLAY SYSTEMS LIMITED | Computers, electronics and optics | 1982 | Full accounts |
| STERIS IMS LIMITED | Other manufacturing | 1982 | Full accounts |
| LEVERTONHELM CONTRACTS LIMITED | Chemicals | 1982 | Total exemption (full) |
| MODERN MOULDS LIMITED | Rubber and plastics | 1983 | Total exemption (full) |
| CENTERPRISE INTERNATIONAL LIMITED | Computers, electronics and optics | 1983 | Full accounts |
| EMOS INFORMATION SYSTEMS LIMITED | Printing and recorded media | 1983 | Total exemption (full) |
| KEY SURGICAL LIMITED | Other manufacturing | 1983 | Full accounts |
| KNITTER-SWITCH UK LIMITED | Computers, electronics and optics | 1984 | Total exemption (full) |
| TECHPOINT FAST TRACK SOLUTIONS LIMITED | Computers, electronics and optics | 1986 | Small company accounts |
| INTERCONICS LIMITED | Electrical equipment | 1987 | Small company accounts |
| HI TECH SYSTEMS LTD. | Other manufacturing | 1987 | Total exemption (full) |
| ELLIOTT TURBOMACHINERY LIMITED | Repair and installation of machinery | 1987 | Full accounts |
| MODERN MOULDS ASSOCIATES LIMITED | Rubber and plastics | 1988 | Total exemption (full) |
| VECTAIR SYSTEMS LIMITED | Other manufacturing | 1988 | Full accounts |
| BERTIN EXENSOR LIMITED | Computers, electronics and optics | 1988 | Medium company accounts |
| TAKEX EUROPE LIMITED | Electrical equipment | 1989 | Small company accounts |
| G.T.K. (U.K.) LTD. | Computers, electronics and optics | 1990 | Full accounts |
| DALMEC LIMITED | Repair and installation of machinery | 1990 | Small company accounts |
| AQUATEC GROUP LIMITED | Electrical equipment | 1990 | Unaudited abridged |
| MEDISAFE UK LIMITED | Other manufacturing | 1990 | Full accounts |
| ASHBY SIGNS LIMITED | Fabricated metal products | 1990 | Total exemption (full) |
| CUSTOM CARD SERVICES INTERNATIONAL LIMITED | Printing and recorded media | 1992 | Total exemption (full) |
| TARAN MICROSYSTEMS LIMITED | Electrical equipment | 1992 | Total exemption (full) |
| WINKWORTH MACHINERY LIMITED | Machinery and equipment | 1993 | Total exemption (full) |
| MERCONA (G.B.) LIMITED | Other manufacturing | 1993 | Full accounts |
| VITAL ENTERPRISES LIMITED | Wood products | 1993 | Total exemption (full) |
| MEADOWROSE SCIENTIFIC LIMITED | Repair and installation of machinery | 1994 | Total exemption (full) |
| HARWELL DOSIMETERS LIMITED | Rubber and plastics | 1994 | Full accounts |
| SENKO ADVANCED COMPONENTS (EURO) LIMITED | Computers, electronics and optics | 1994 | Group accounts |
| LINK MICROTEK LIMITED | Computers, electronics and optics | 1995 | Total exemption (full) |
| W.E.S. LTD. | Machinery and equipment | 1995 | Audit-exempt subsidiary |
| COMPLETE LIGHTING SERVICES LIMITED | Electrical equipment | 1996 | Total exemption (full) |
| TRANSPOWER APPLICATIONS LIMITED | Electrical equipment | 1996 | Total exemption (full) |