| TOPPER CASES LIMITED | Other manufacturing | 1950 | Total exemption (full) |
| WRIGHTS (GAMLINGAY) LIMITED | Repair and installation of machinery | 1961 | Total exemption (full) |
| WEBTEC PRODUCTS LIMITED | Other manufacturing | 1964 | Small company accounts |
| PHOTOFABRICATION LTD | Fabricated metal products | 1971 | Total exemption (full) |
| MICHELL INSTRUMENTS LIMITED | Computers, electronics and optics | 1974 | Full accounts |
| DUCKWORTH AND KENT (PRECISION COMPONENTS) LIMITED | Fabricated metal products | 1975 | Total exemption (full) |
| OIL - DRI (U.K.) LIMITED | Glass, ceramics, cement and stone | 1975 | Small company accounts |
| EATON TRACTORS LIMITED | Repair and installation of machinery | 1976 | Total exemption (full) |
| HYBRID LASER TECH LIMITED | Glass, ceramics, cement and stone | 1987 | Small company accounts |
| HOUSE OF FLAGS LIMITED | Other manufacturing | 1988 | Small company accounts |
| THURLBY THANDAR INSTRUMENTS LIMITED | Computers, electronics and optics | 1989 | Full accounts |
| KORE TECHNOLOGY LIMITED | Computers, electronics and optics | 1991 | Small company accounts |
| MERIDIAN AUDIO LIMITED | Computers, electronics and optics | 1992 | Full accounts |
| PX MANUFACTURING LTD | Electrical equipment | 1994 | Full accounts |
| NBS BIOLOGICALS LIMITED | Chemicals | 1994 | Total exemption (full) |
| CARDBOARD PACKAGING SUPPLIES LIMITED | Paper and paperboard | 1995 | Total exemption (full) |
| OPAL FOOD PROCESSING SYSTEMS LIMITED | Machinery and equipment | 1996 | Small company accounts |
| DELTA SYSTEMS (WISBECH) LIMITED | Other manufacturing | 1996 | Total exemption (full) |
| WELDLOGIC EUROPE LIMITED | Machinery and equipment | 1996 | Unaudited abridged |
| MAHA UK LIMITED | Repair and installation of machinery | 1997 | Small company accounts |
| ICON ENGINEERING (WISBECH) LTD | Fabricated metal products | 1997 | Total exemption (full) |
| COBRA ENGINEERING (UK) LIMITED | Fabricated metal products | 1999 | Total exemption (full) |
| PRIDEN ENGINEERING LIMITED | Fabricated metal products | 2001 | Full accounts |
| U K SIGNS & PROMOTIONS LIMITED | Printing and recorded media | 2002 | Unaudited abridged |
| LAWRENCE SMITH JOINERY LIMITED | Wood products | 2003 | Total exemption (full) |
| FIRST LIGHT LAMPS LIMITED | Other manufacturing | 2003 | Unaudited abridged |
| PARAMETRIC INVESTMENTS LIMITED | Computers, electronics and optics | 2004 | Full accounts |
| FOX NARROWBOATS LIMITED | Ships, aircraft, rail and other transport | 2004 | Total exemption (full) |
| WHITES CARPENTRY LIMITED | Wood products | 2004 | Total exemption (full) |
| BEARINGS & DRIVES (2004) LIMITED | Fabricated metal products | 2004 | Total exemption (full) |
| LESTER PRYKE LIMITED | Furniture | 2005 | Total exemption (full) |
| PAVEMAC LIMITED | Machinery and equipment | 2006 | Total exemption (full) |