| YARMOUTH STORES,LIMITED(THE) | Clothing | 1898 | Total exemption (full) |
| BOWERS & BARR,LIMITED | Repair and installation of machinery | 1909 | Total exemption (full) |
| DRON & DICKSON LIMITED | Repair and installation of machinery | 1927 | Full accounts |
| THERMAGLOW LIMITED | Electrical equipment | 1957 | Full accounts |
| BRITISH METAL TREATMENTS LIMITED | Fabricated metal products | 1958 | Total exemption (full) |
| ULTIMETEOR LTD | Fabricated metal products | 1967 | Total exemption (full) |
| R.B.D.BUILDERS(NORFOLK)LIMITED | Wood products | 1969 | Total exemption (full) |
| GARDEN DISCOUNT CENTRE LIMITED | Repair and installation of machinery | 1971 | Unaudited abridged |
| SANDS AGRICULTURAL MACHINERY LIMITED | Repair and installation of machinery | 1973 | Full accounts |
| PROBE MANUFACTURING AND FABRICATION LIMITED | Other manufacturing | 1974 | Full accounts |
| MACRON SAFETY SYSTEMS (UK) LIMITED | Other manufacturing | 1974 | Full accounts |
| CHARITY & TAYLOR (ELECTRONIC SERVICES) LIMITED | Computers, electronics and optics | 1976 | Small company accounts |
| CODE-A-WELD (GREAT YARMOUTH) LIMITED | Fabricated metal products | 1976 | Total exemption (full) |
| CODAY SHEET METAL FABRICATIONS (GREAT YARMOUTH) LIMITED | Fabricated metal products | 1977 | Total exemption (full) |
| PRIOR POWER SOLUTIONS LIMITED | Machinery and equipment | 1980 | Full accounts |
| CONTROLLED REPAIR (INSTRUMENTS) LIMITED | Repair and installation of machinery | 1981 | Total exemption (full) |
| COASTGROUND LIMITED | Fabricated metal products | 1984 | Total exemption (full) |
| TRANSMIT CONTAINERS LIMITED | Fabricated metal products | 1984 | Total exemption (full) |
| ARMULTRA LIMITED | Fabricated metal products | 1985 | Full accounts |
| EASTERN FLUID POWER LIMITED | Repair and installation of machinery | 1987 | Total exemption (full) |
| MORGAN COOPER LIMITED | Fabricated metal products | 1987 | Total exemption (full) |
| ABBEYCHEM LIMITED | Chemicals | 1988 | Total exemption (full) |
| SIGNWAVES LIMITED | Furniture | 1988 | Full accounts |
| APPLIED ACOUSTIC ENGINEERING LIMITED | Computers, electronics and optics | 1989 | Medium company accounts |
| METNOR (GREAT YARMOUTH) LIMITED | Machinery and equipment | 1989 | Total exemption (full) |
| SEABED SCOUR CONTROL SYSTEMS LIMITED | Other manufacturing | 1990 | Total exemption (full) |
| HURST FAMILY INTERNATIONAL LIMITED | Textiles | 1990 | Total exemption (full) |
| GEOACOUSTICS LTD | Electrical equipment | 1991 | Total exemption (full) |
| SUBSEA PROTECTION SYSTEMS LIMITED | Other manufacturing | 1991 | Small company accounts |
| SPECTRUM CONTROL LTD | Computers, electronics and optics | 1992 | Full accounts |
| BREYDON ENTERPRISES LIMITED | Wood products | 1992 | Total exemption (full) |
| ANGLIA SPARELINE LTD | Fabricated metal products | 1993 | Total exemption (full) |
| LION ENGINEERING SERVICES LIMITED | Basic metals | 1993 | Small company accounts |
| SEATRAX (U.K.) LIMITED | Machinery and equipment | 1994 | Medium company accounts |
| FLAMESKILL LIMITED | Repair and installation of machinery | 1996 | Total exemption (full) |
| ITRON (U.K.) LIMITED | Computers, electronics and optics | 1997 | Small company accounts |
| MULTIFORCE CONTRACTS LIMITED | Machinery and equipment | 1998 | Unaudited abridged |
| ST OLAVES MARINA LIMITED | Ships, aircraft, rail and other transport | 1998 | Total exemption (full) |
| C K PRECISION ENGINEERING LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| INDEPENDENT LIFTING SERVICES LIMITED | Fabricated metal products | 2001 | Total exemption (full) |
| ROOT3 LIGHTING & ELECTRICAL LTD | Electrical equipment | 2001 | Total exemption (full) |
| BERKSHIRE ENGINEERING SUPPLIES LIMITED | Repair and installation of machinery | 2001 | Total exemption (full) |
| HYDRAMEC OFFSHORE HYDRAULIC SYSTEMS LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| GOODCHILD MARINE SERVICES LIMITED | Ships, aircraft, rail and other transport | 2002 | Total exemption (full) |
| RBD GLASS LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| AIRE-TEK SERVICES LIMITED | Fabricated metal products | 2003 | Unaudited abridged |
| DS ENERGY GROUP LTD | Electrical equipment | 2003 | Unaudited abridged |
| D. C. HUNT ENGINEERS LIMITED | Repair and installation of machinery | 2004 | Total exemption (full) |
| K & C ENGINEERING LIMITED | Machinery and equipment | 2005 | Total exemption (full) |
| STUGA MACHINERY LIMITED | Machinery and equipment | 2006 | Small company accounts |
| SAS SHEETMETAL & FABRICATION LIMITED | Fabricated metal products | 2006 | Total exemption (full) |
| DIESEL POWER (EAST ANGLIA) LIMITED | Repair and installation of machinery | 2006 | Unaudited abridged |
| MOUGHTON ENGINEERING LIMITED | Fabricated metal products | 2006 | Unaudited abridged |
| SAM HOLDINGS (2007) LIMITED | Repair and installation of machinery | 2006 | Small company accounts |
| SPS GLOBAL LIMITED | Other manufacturing | 2006 | Small company accounts |
| SURETANK UK LIMITED | Fabricated metal products | 2007 | Audited abridged |
| DERRICK SERVICES (UK) LIMITED | Repair and installation of machinery | 2007 | Full accounts |
| SPP DIGITAL LIMITED | Printing and recorded media | 2009 | Unaudited abridged |
| VETTESE'S TRADITIONAL ICE CREAM LIMITED | Food products | 2009 | Total exemption (full) |
| EAST NORFOLK CIDER LTD | Beverages | 2009 | Total exemption (full) |