| CENTURION SAFETY PRODUCTS LTD | Rubber and plastics | 1879 | Full accounts |
| EASY CLEANING SOLUTIONS LIMITED | Chemicals | 1950 | Full accounts |
| ROLLMARK (DIELETLIT) LIMITED | Printing and recorded media | 1967 | Total exemption (full) |
| PEGASUS PROFILES LIMITED | Fabricated metal products | 1967 | Total exemption (full) |
| THETFORD INTERNATIONAL COMPACTORS LIMITED | Machinery and equipment | 1969 | Total exemption (full) |
| WECO ENGINEERING LIMITED | Machinery and equipment | 1971 | Unaudited abridged |
| ADVANCED AIR (UK) LIMITED | Fabricated metal products | 1973 | Medium company accounts |
| THETFORD INTERNATIONAL COMPACTORS SERVICE LIMITED | Repair and installation of machinery | 1977 | Total exemption (full) |
| EAST COAST CASTING COMPANY LIMITED | Basic metals | 1980 | Total exemption (full) |
| PEGASUS PROFILES (SOUTHERN) LIMITED | Fabricated metal products | 1982 | Total exemption (full) |
| PARKES PRODUCTS LIMITED | Fabricated metal products | 1985 | Total exemption (full) |
| WEST SUFFOLK TOOL AND GAUGE LIMITED | Machinery and equipment | 1985 | Total exemption (full) |
| NATUREDIET PET FOODS LIMITED | Food products | 1987 | Full accounts |
| BONIFACE ENGINEERING LIMITED | Ships, aircraft, rail and other transport | 1987 | Full accounts |
| WELCH ALLYN (U.K.) LIMITED | Other manufacturing | 1989 | Full accounts |
| ROWLINSON PACKAGING (SOUTH) LIMITED | Wood products | 1989 | Full accounts |
| S.L. PRECISION ENGINEERS LIMITED | Machinery and equipment | 1991 | Total exemption (full) |
| STV INTERNATIONAL LIMITED | Chemicals | 1994 | Full accounts |
| CROWN FIRE PROTECTION LTD. | Repair and installation of machinery | 1995 | Total exemption (full) |
| WARREN SERVICES LIMITED | Fabricated metal products | 1995 | Medium company accounts |
| X-FORM ENGINEERING LIMITED | Fabricated metal products | 1996 | Group accounts |
| AFTER THE ANTIQUE LIMITED | Glass, ceramics, cement and stone | 1996 | Total exemption (full) |
| R.S. COMPOSITES LIMITED | Machinery and equipment | 1996 | Total exemption (full) |
| A.P. (EAST ANGLIA) LIMITED | Food products | 1997 | Total exemption (full) |
| HOUSEHIRE LIMITED | Food products | 1997 | Total exemption (full) |
| COMPONENT SOLUTIONS FOR INDUSTRY LIMITED | Fabricated metal products | 1999 | Total exemption (full) |
| C & D FOODS (LARKSHALL) UNLIMITED | Food products | 1999 | Full accounts |
| R S COATINGS LIMITED | Other manufacturing | 1999 | Total exemption (full) |
| ADVATECH LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| PRECISION REFRIGERATION LIMITED | Machinery and equipment | 2000 | Full accounts |
| KARRIS WELDING SERVICES LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| SKATOSKALO INTERNATIONAL LIMITED | Machinery and equipment | 2000 | Total exemption (full) |
| BLAKE AND BOUGHTON LIMITED | Repair and installation of machinery | 2001 | Total exemption (full) |
| COMTEK LTD | Fabricated metal products | 2001 | Total exemption (full) |
| LAB-MED LIMITED | Machinery and equipment | 2001 | Total exemption (full) |
| PREMIER PLASTICS THETFORD LTD. | Rubber and plastics | 2002 | Total exemption (full) |
| TECHPOINT SHARED SERVICES LIMITED | Computers, electronics and optics | 2002 | Medium company accounts |
| JOHN MAYES ENGINEERS LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| TFCA (2003) LIMITED | Furniture | 2003 | Total exemption (full) |
| ANGLIA DOOR SYSTEMS LIMITED | Fabricated metal products | 2003 | Total exemption (full) |
| T & B BLASTING SERVICES LIMITED | Fabricated metal products | 2004 | Total exemption (full) |
| EFL LTD | Other manufacturing | 2006 | Total exemption (full) |
| THE ELECTRIC WIDGET COMPANY LIMITED | Electrical equipment | 2007 | Total exemption (full) |
| WOODYATT CURTAINS LIMITED | Textiles | 2007 | Total exemption (full) |
| KARRIS SHEET METAL LIMITED | Fabricated metal products | 2009 | Total exemption (full) |
| PEERLESS PLASTICS AND COATINGS LIMITED | Rubber and plastics | 2009 | Total exemption (full) |
| AMIROSE LONDON LIMITED | Paper and paperboard | 2009 | Medium company accounts |