| GILBERTSON & PAGE LIMITED | Food products | 1898 | Group accounts |
| ALTRO LIMITED | Chemicals | 1919 | Full accounts |
| SECOMAK LIMITED | Machinery and equipment | 1930 | Total exemption (full) |
| UGO FOODS GROUP LIMITED | Food products | 1938 | Full accounts |
| NORTH LONDON SAW WORKS LIMITED(THE) | Fabricated metal products | 1943 | Unaudited abridged |
| TERNEX LIMITED | Furniture | 1951 | Total exemption (full) |
| ROYDE & TUCKER LIMITED | Fabricated metal products | 1954 | Medium company accounts |
| HALL BROS. (LIFTING GEAR) LIMITED | Machinery and equipment | 1957 | Total exemption (full) |
| BUNTING MAGNETICS EUROPE LIMITED | Fabricated metal products | 1964 | Full accounts |
| S. B. ELECTRONIC SYSTEMS LIMITED | Computers, electronics and optics | 1967 | Total exemption (full) |
| C. C. HYDROSONICS LIMITED | Machinery and equipment | 1973 | Small company accounts |
| SHIELD BATTERIES LIMITED | Electrical equipment | 1973 | Total exemption (full) |
| SICK (UK) LTD. | Computers, electronics and optics | 1973 | Full accounts |
| FFE LIMITED | Fabricated metal products | 1974 | Full accounts |
| J. & M. NIXON PRINTERS LIMITED | Printing and recorded media | 1975 | Total exemption (full) |
| HERTFORDSHIRE DISPLAY PLC | Printing and recorded media | 1976 | Full accounts |
| GENERICS (U.K.) LIMITED | Pharmaceuticals | 1981 | Full accounts |
| ATECH LIMITED | Printing and recorded media | 1982 | Total exemption (full) |
| N.E.M. CO. LIMITED | Computers, electronics and optics | 1983 | Medium company accounts |
| BEKA ASSOCIATES LIMITED | Computers, electronics and optics | 1984 | Small company accounts |
| HOBSON TECHNOLOGY LIMITED | Fabricated metal products | 1987 | Total exemption (full) |
| MODE LIGHTING LIMITED | Electrical equipment | 1987 | Medium company accounts |
| OTODYNAMICS LIMITED | Other manufacturing | 1988 | Total exemption (full) |
| AIRBUS DEFENCE AND SPACE LIMITED | Ships, aircraft, rail and other transport | 1989 | Full accounts |
| LUVATA WELWYN GARDEN LTD | Fabricated metal products | 1991 | Full accounts |
| HUNTERLODGE MEDIA LIMITED | Printing and recorded media | 1993 | Total exemption (full) |
| STEVENAGE SHEET METAL CO. LIMITED | Fabricated metal products | 1993 | Total exemption (full) |
| CREST ULTRASONICS EUROPE LIMITED | Machinery and equipment | 1993 | Small company accounts |
| D.N.J. LTD. | Rubber and plastics | 1994 | Total exemption (full) |
| COBRA INDUSTRIES LIMITED | Other manufacturing | 1995 | Medium company accounts |
| MBDA UK LIMITED | Other manufacturing | 1996 | Group accounts |
| CARDEL LIMITED | Other manufacturing | 1996 | Full accounts |
| SILVERSTREAM ENGINEERING LIMITED | Basic metals | 1996 | Total exemption (full) |
| SHORELINK (INTERNATIONAL) LIMITED | Rubber and plastics | 1996 | Total exemption (full) |
| ASNU CORPORATION EUROPE LIMITED | Computers, electronics and optics | 1997 | Total exemption (full) |
| SENSONICS LIMITED | Computers, electronics and optics | 1997 | Total exemption (full) |
| RANDS PRINT MOTOR SPECIALISTS LIMITED | Repair and installation of machinery | 1997 | Total exemption (full) |
| ROBERT P.D. FROST & CO. LIMITED | Rubber and plastics | 1998 | Unaudited abridged |
| MOTIVELECTRONICS LIMITED | Repair and installation of machinery | 1998 | Total exemption (full) |
| IRONCRAFT LIMITED | Basic metals | 1998 | Total exemption (full) |
| MOBILE STATIONERY & PRINTING CENTRE LIMITED | Printing and recorded media | 1998 | Unaudited abridged |
| SRP ENGINEERING LIMITED | Fabricated metal products | 1998 | Unaudited abridged |
| LEASIDE TIMBER & BUILDERS MERCHANTS LIMITED | Wood products | 1999 | Total exemption (full) |
| SENSORS UK LIMITED | Other manufacturing | 1999 | Total exemption (full) |
| PROTOTYPE PROJECTS LIMITED | Rubber and plastics | 2000 | Unaudited abridged |
| TEMPTINGS LIMITED | Food products | 2000 | Total exemption (full) |
| G T COMPRESSORS LIMITED | Machinery and equipment | 2001 | Total exemption (full) |
| POTATO PRINT LIMITED | Printing and recorded media | 2001 | Total exemption (full) |
| NORTECH ENGINEERING SERVICES LIMITED | Fabricated metal products | 2001 | Total exemption (full) |
| SEAESS DESIGNS LIMITED | Other manufacturing | 2002 | Total exemption (full) |
| GOODWOOD JOINERY LIMITED | Wood products | 2002 | Total exemption (full) |
| NEAL DISPLAY LIMITED | Other manufacturing | 2002 | Total exemption (full) |
| L B PRECISION SHEET METAL WORKS LIMITED | Fabricated metal products | 2003 | Total exemption (full) |
| MEDIPIN LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| TORO U.K. LIMITED | Machinery and equipment | 2004 | Full accounts |
| FULL FAT AUDIO LIMITED | Electrical equipment | 2004 | Total exemption (full) |
| VISTA SYSTEM LIMITED | Other manufacturing | 2005 | Total exemption (full) |
| SOUND BOX CREATIONS LIMITED | Computers, electronics and optics | 2005 | Total exemption (full) |
| SCARLET PRINT SOLUTIONS LIMITED | Printing and recorded media | 2006 | Total exemption (full) |
| DATA ENGINEERING (HODDESDON) LIMITED | Fabricated metal products | 2006 | Unaudited abridged |