| ICON AEROSPACE TECHNOLOGY LTD | Ships, aircraft, rail and other transport | 1933 | Full accounts |
| MILLPLEDGE LIMITED | Pharmaceuticals | 1976 | Full accounts |
| BOYNTON BROS. & HALLAM (RANSKILL) LIMITED | Rubber and plastics | 1978 | Total exemption (full) |
| A.F.T. (UK) LIMITED | Other manufacturing | 1985 | Total exemption (full) |
| CLOCKPRESS LIMITED | Rubber and plastics | 1989 | Total exemption (full) |
| JND TECHNOLOGIES LIMITED | Machinery and equipment | 1990 | Full accounts |
| INTER-LEC LIMITED | Other manufacturing | 1993 | Total exemption (full) |
| READER CEMENT PRODUCTS LIMITED | Glass, ceramics, cement and stone | 1995 | Audit-exempt subsidiary |
| AQUATIC CONTROL ENGINEERING LIMITED | Other manufacturing | 1995 | Total exemption (full) |
| I.D. SPARES & SERVICE LIMITED | Repair and installation of machinery | 1997 | Unaudited abridged |
| SCHEIBLER EDGEWISE LIMITED | Rubber and plastics | 1997 | Total exemption (full) |
| C.S.L. INDUSTRIAL LIMITED | Fabricated metal products | 1998 | Total exemption (full) |
| EURORAIL CRASH BARRIERS 2000 LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| CLARKE CHAPMAN LIMITED | Machinery and equipment | 2000 | Group accounts |
| GAMBLES GRASS MACHINERY LIMITED | Repair and installation of machinery | 2001 | Total exemption (full) |
| WALKER PLANT SERVICES LIMITED | Repair and installation of machinery | 2003 | Total exemption (full) |
| LIFTS UK LIMITED | Repair and installation of machinery | 2003 | Total exemption (full) |
| APEX INTERNATIONAL (UK) LIMITED | Rubber and plastics | 2004 | Total exemption (full) |
| WHITTAKER COACHBUILDERS INTERNATIONAL LIMITED | Ships, aircraft, rail and other transport | 2005 | Total exemption (full) |
| NEWBERT EQUINE LIMITED | Motor vehicles and parts | 2006 | Total exemption (full) |
| ROPE & RIGGING LIMITED | Fabricated metal products | 2006 | Total exemption (full) |
| BRADMAN-LAKE LIMITED | Machinery and equipment | 2007 | Full accounts |
| ATHERTON MATERIALS HANDLING LIMITED | Fabricated metal products | 2009 | Total exemption (full) |
| EDGEWISE EDGESTRIP LIMITED | Rubber and plastics | 2009 | Total exemption (full) |
| ANCHORBLOC LIMITED | Glass, ceramics, cement and stone | 2009 | Total exemption (full) |
| EPA MANUFACTURING LIMITED | Other manufacturing | 2010 | Total exemption (full) |
| SDN PALLETS LIMITED | Wood products | 2010 | Total exemption (full) |
| INDIGOBLU LIMITED | Rubber and plastics | 2010 | Unaudited abridged |