| SPANSET LIMITED | Machinery and equipment | 1969 | Medium company accounts |
| CONTOUR SHOWERS LIMITED | Other manufacturing | 1978 | Full accounts |
| BRITANNIA PAINTS LTD | Chemicals | 1985 | Unaudited abridged |
| NORTHERN CORRUGATED CASES LIMITED | Other manufacturing | 1987 | Medium company accounts |
| TRUELINE ENGINEERING SERVICES LIMITED | Fabricated metal products | 1992 | Total exemption (full) |
| CENTEC INTERNATIONAL LIMITED | Chemicals | 1994 | Audit-exempt subsidiary |
| EXTRONICS LIMITED | Other manufacturing | 1995 | Small company accounts |
| H2O INNOVATION UK LIMITED | Chemicals | 2001 | Full accounts |
| MARBOCOTE LIMITED | Chemicals | 2001 | Total exemption (full) |
| BENNION COMMERCIAL REPAIRS LIMITED | Repair and installation of machinery | 2001 | Total exemption (full) |
| G & M SAFETY NETTING LIMITED | Other manufacturing | 2002 | Total exemption (full) |
| PINSEEKER (UK) LIMITED | Other manufacturing | 2004 | Total exemption (full) |
| PENN-WHITE LIMITED | Chemicals | 2005 | Medium company accounts |
| THE JASON GROUP LIMITED | Chemicals | 2005 | Total exemption (full) |
| ELFREED LTD | Other manufacturing | 2006 | Group accounts |
| BIP ORGANICS LIMITED | Coke and refined petroleum | 2006 | Audit-exempt subsidiary |
| INDAVER SOLVENTS LIMITED | Chemicals | 2006 | Group accounts |
| ISOTOPX LTD | Fabricated metal products | 2007 | Small company accounts |
| BRYANS DOMESTIC APPLIANCE SERVICES LTD | Repair and installation of machinery | 2008 | Total exemption (full) |
| ONFAB LIMITED | Rubber and plastics | 2009 | Small company accounts |
| FOX INSTRUMENTS LTD | Repair and installation of machinery | 2010 | Total exemption (full) |