| CHEMOXY INTERNATIONAL LIMITED | Chemicals | 1939 | Full accounts |
| A SUGGITT LIMITED | Food products | 1962 | Total exemption (full) |
| COWIE TECHNOLOGY GROUP LIMITED | Rubber and plastics | 1965 | Group accounts |
| LOUISE ENGINEERING LIMITED | Repair and installation of machinery | 1970 | Total exemption (full) |
| NORTHERN MACHINE TOOLS (ENGINEERING) LIMITED | Repair and installation of machinery | 1973 | Total exemption (full) |
| CLEVELAND TIMBER SUPPLIES LIMITED | Wood products | 1976 | Total exemption (full) |
| DORMOR MACHINE AND ENGINEERING COMPANY LIMITED | Fabricated metal products | 1979 | Total exemption (full) |
| LOWE & SIMPSON GROUP LIMITED | Other manufacturing | 1979 | Unaudited abridged |
| FINE ORGANICS LIMITED | Chemicals | 1980 | Full accounts |
| ROCKCLIFFE ENGINEERING LIMITED | Other manufacturing | 1981 | Total exemption (full) |
| JOHN DAVEY LIMITED | Chemicals | 1981 | Total exemption (full) |
| HAWK FASTENERS LIMITED | Fabricated metal products | 1981 | Total exemption (full) |
| CRYSTAL GALLERIES LIMITED | Other manufacturing | 1983 | Total exemption (full) |
| INDUSTRIAL AND MARINE HYDRAULICS LIMITED | Fabricated metal products | 1983 | Total exemption (full) |
| HEINZMANN UK LIMITED | Machinery and equipment | 1983 | Audited abridged |
| DENNIS DIXON LIMITED | Repair and installation of machinery | 1987 | Unaudited abridged |
| SARABEC LIMITED | Electrical equipment | 1987 | Audited abridged |
| CLEVELAND SITESAFE LIMITED | Fabricated metal products | 1987 | Total exemption (full) |
| MIDDLESBROUGH GLASS AND GLAZING LIMITED | Other manufacturing | 1989 | Unaudited abridged |
| PAUL MORGANS BAKERY LIMITED | Food products | 1990 | Total exemption (full) |
| INTERCONTINENTAL BRANDS (ICB) LIMITED | Beverages | 1990 | Full accounts |
| FERNSOFT LIMITED | Pharmaceuticals | 1992 | Total exemption (full) |
| NTS FABRICATIONS LTD. | Basic metals | 1992 | Total exemption (full) |
| LABMAN AUTOMATION LIMITED | Machinery and equipment | 1992 | Medium company accounts |
| INDUSTRIAL SPECIALIST SERVICES LIMITED | Furniture | 1995 | Unaudited abridged |
| DURHAM LIFTING LIMITED | Machinery and equipment | 1996 | Total exemption (full) |
| WOODTECH (JOINERY) LIMITED | Other manufacturing | 1998 | Unaudited abridged |
| SEALTIGHT WINDOWS (N E) LIMITED | Rubber and plastics | 1998 | Total exemption (full) |
| STEVE BRETTLE FABRICATIONS LTD. | Fabricated metal products | 1999 | Total exemption (full) |
| FOOD NETWORK CORPORATION LIMITED | Food products | 2000 | Small company accounts |
| INDUSTRIAL MOTORS AND GEARS LIMITED | Repair and installation of machinery | 2001 | Total exemption (full) |
| STEEL BENDERS (UK) LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| NORTH LAKES FOODS LIMITED | Food products | 2002 | Small company accounts |
| COMBI (NORTH EAST) LIMITED | Repair and installation of machinery | 2002 | Total exemption (full) |
| JALNA CONSTRUCTION LTD | Fabricated metal products | 2002 | Total exemption (full) |
| SEMBCORP UTILITIES (UK) LIMITED | Other manufacturing | 2003 | Full accounts |
| ALU-FIX LIMITED | Fabricated metal products | 2004 | Unaudited abridged |
| NETTING SERVICES (NORTHERN) LIMITED | Textiles | 2004 | Unaudited abridged |
| TTS ENGINEERING LTD | Repair and installation of machinery | 2005 | Total exemption (full) |
| FLAT FREE TYRES LIMITED | Rubber and plastics | 2006 | Audit-exempt subsidiary |
| ENGINEERING RECRUITMENT SERVICES LTD | Fabricated metal products | 2006 | Total exemption (full) |
| ON A ROLL SANDWICH COMPANY LIMITED | Food products | 2006 | Full accounts |
| BARBER HEALTHCARE LIMITED | Rubber and plastics | 2007 | Total exemption (full) |
| PREMIER1 FILTRATION LIMITED | Machinery and equipment | 2008 | Unaudited abridged |
| READY MIX TEES VALLEY LTD | Other manufacturing | 2008 | Total exemption (full) |
| CHRISTMAS CARDS FOR SCHOOLS LIMITED | Printing and recorded media | 2008 | Total exemption (full) |
| FALCON PERFORMANCE UK LIMITED | Machinery and equipment | 2008 | Total exemption (full) |
| STOCKTON ELECTRICAL SERVICES LIMITED | Repair and installation of machinery | 2008 | Total exemption (full) |
| ERW JOINERY LIMITED | Wood products | 2009 | Total exemption (full) |
| CELESTIAL WINDOWS AND CONSERVATORIES LIMITED | Rubber and plastics | 2010 | Total exemption (full) |
| SCANMAN UK LIMITED | Printing and recorded media | 2010 | Total exemption (full) |
| FINE CONTRACT RESEARCH LIMITED | Chemicals | 2010 | Full accounts |
| FINE FACILITIES MANAGEMENT LIMITED | Repair and installation of machinery | 2010 | Full accounts |
| QUALITAS ENGINEERING LIMITED | Machinery and equipment | 2010 | Total exemption (full) |