| ALGECO UK LIMITED | Other manufacturing | 1917 | Full accounts |
| LE CARBONE(HOLDINGS)LIMITED | Other manufacturing | 1930 | Total exemption (full) |
| MERSEN UK TEESSIDE LIMITED | Other manufacturing | 1966 | Full accounts |
| CORRPRO COMPANIES EUROPE LIMITED | Basic metals | 1968 | Full accounts |
| INTERNATIONAL PROCESSPLANTS (EUROPE) LIMITED | Chemicals | 1975 | Small company accounts |
| SEABURN ENGINEERING LIMITED | Basic metals | 1978 | Audit-exempt subsidiary |
| NIFCO UK LIMITED | Rubber and plastics | 1978 | Full accounts |
| DABICO AIRPORT SOLUTIONS UK LIMITED | Machinery and equipment | 1986 | Full accounts |
| MB SERVICES (NE) LIMITED | Repair and installation of machinery | 1989 | Unaudited abridged |
| GAS AND ENVIRONMENTAL SERVICES LIMITED | Electrical equipment | 1995 | Small company accounts |
| EASI GEARS LIMITED | Repair and installation of machinery | 1995 | Total exemption (full) |
| PICKERINGS EUROPE LIMITED | Repair and installation of machinery | 1996 | Full accounts |
| FIBOX LIMITED | Electrical equipment | 1996 | Small company accounts |
| MERSEN UK PORTSLADE LIMITED | Other manufacturing | 1997 | Total exemption (full) |
| MERSEN UK HOLDINGS LIMITED | Other manufacturing | 1998 | Total exemption (full) |
| XL PRECISION TECHNOLOGIES LIMITED | Other manufacturing | 1998 | Full accounts |
| VALMONT STAINTON LIMITED | Fabricated metal products | 1999 | Full accounts |
| BULLDOG MARINE & TECHNICAL SERVICES LIMITED | Ships, aircraft, rail and other transport | 2001 | Total exemption (full) |
| ALMARK LIMITED | Rubber and plastics | 2001 | Total exemption (full) |
| SWAINSTONS LIMITED | Rubber and plastics | 2001 | Total exemption (full) |
| CARROLL & MEYNELL LIMITED | Electrical equipment | 2005 | Total exemption (full) |
| TOTAL CONTROL & DISTRIBUTION LIMITED | Electrical equipment | 2006 | Total exemption (full) |
| VORTEX GLOBAL LIMITED | Machinery and equipment | 2006 | Small company accounts |
| CONVEYORS DIRECT ONLINE LTD | Machinery and equipment | 2007 | Total exemption (full) |
| PRO-FLEX PACKAGING EUROPE LTD | Rubber and plastics | 2007 | Total exemption (full) |
| ALL SEASONS WINDOWS (N/E) LIMITED | Rubber and plastics | 2008 | Total exemption (full) |
| SPEARGROUP LIMITED | Other manufacturing | 2009 | Total exemption (full) |
| PROFLEX PACKAGING CO LTD | Rubber and plastics | 2009 | Small company accounts |
| IBEX INNOVATIONS LTD | Other manufacturing | 2010 | Small company accounts |
| EVOLUTION VALVES LIMITED | Machinery and equipment | 2010 | Unaudited abridged |
| CLASS FUNDRAISING LIMITED | Printing and recorded media | 2010 | Audit-exempt subsidiary |