| DIGITIMER LIMITED | Other manufacturing | 1948 | Total exemption (full) |
| STODDARD MANUFACTURING COMPANY LIMITED | Other manufacturing | 1960 | Total exemption (full) |
| AALBERTS SURFACE TECHNOLOGIES HEAT LIMITED | Fabricated metal products | 1966 | Full accounts |
| TRAFALGAR CASES LIMITED | Wood products | 1968 | Small company accounts |
| NIGHTINGALE PRESS LIMITED | Printing and recorded media | 1972 | Unaudited abridged |
| SPECIALIST AVIATION MANUFACTURING LIMITED | Fabricated metal products | 1974 | Total exemption (full) |
| PRINTED EASY LIMITED | Printing and recorded media | 1976 | Full accounts |
| FGH CONTROLS LIMITED | Computers, electronics and optics | 1977 | Small company accounts |
| RION DESIGNS LIMITED | Electrical equipment | 1985 | Total exemption (full) |
| CHILFEN JOINERY LIMITED | Wood products | 1985 | Small company accounts |
| FB CHAIN LIMITED | Fabricated metal products | 1985 | Medium company accounts |
| NASA MARINE LIMITED | Computers, electronics and optics | 1990 | Total exemption (full) |
| FORTUS HAMPSHIRE LIMITED | Electrical equipment | 1992 | Small company accounts |
| ALPHR TECHNOLOGY LIMITED | Computers, electronics and optics | 1994 | Small company accounts |
| BENCHMARK FABRICATIONS LIMITED | Fabricated metal products | 1994 | Full accounts |
| STEELDECK INDUSTRIES LTD | Other manufacturing | 1995 | Total exemption (full) |
| FI. TECHNOLOGY LIMITED | Electrical equipment | 1995 | Total exemption (full) |
| TTM CONSULTANCY SERVICES LIMITED | Repair and installation of machinery | 1997 | Total exemption (full) |
| PLASMECH PACKAGING LIMITED | Rubber and plastics | 1997 | Audit-exempt subsidiary |
| OPTIMAL TECHNOLOGIES LIMITED | Machinery and equipment | 1997 | Small company accounts |
| GALASSO SIGNS LIMITED | Rubber and plastics | 1998 | Total exemption (full) |
| EAST MANUFACTURING TECHNOLOGIES LIMITED | Other manufacturing | 1999 | Total exemption (full) |
| FORTUS SOUTH WEST LIMITED | Electrical equipment | 1999 | Small company accounts |
| FORTUS EAST MIDS LIMITED | Electrical equipment | 1999 | Small company accounts |
| FORTUS KENT LIMITED | Electrical equipment | 1999 | Small company accounts |
| AIR TECHNIQUES INTERNATIONAL LTD | Computers, electronics and optics | 1999 | Small company accounts |
| BL PRECISION LTD | Fabricated metal products | 2000 | Total exemption (full) |
| MURFITTS INDUSTRIES LIMITED | Rubber and plastics | 2000 | Full accounts |
| L&C PRECISION ENGINEERING LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| FORTUS BEDS LIMITED | Electrical equipment | 2000 | Small company accounts |
| CUTERA LIMITED | Pharmaceuticals | 2002 | Small company accounts |
| FORTUS NORTH WEST LIMITED | Electrical equipment | 2002 | Small company accounts |
| FORTUS ENGLAND & WALES LIMITED | Computers, electronics and optics | 2002 | Full accounts |
| BEECH PRECISION ENGINEERING LIMITED | Other manufacturing | 2002 | Total exemption (full) |
| TRYKA L.E.D. LIMITED | Electrical equipment | 2002 | Total exemption (full) |
| CALIBRATION,MAINTENANCE & REPAIR LTD | Electrical equipment | 2003 | Small company accounts |
| HSM AERO LIMITED | Fabricated metal products | 2003 | Small company accounts |
| PAVETESTING LIMITED | Repair and installation of machinery | 2003 | Total exemption (full) |
| FORTUS WEST MIDS LIMITED | Electrical equipment | 2005 | Small company accounts |
| FORTUS YORKSHIRE LIMITED | Electrical equipment | 2006 | Small company accounts |
| ITALIA STONE LTD | Glass, ceramics, cement and stone | 2007 | Total exemption (full) |
| RS BIKE PAINTS LIMITED | Motor vehicles and parts | 2008 | Total exemption (full) |
| FORTUS NORFOLK LIMITED | Electrical equipment | 2008 | Small company accounts |
| STEELDECK ENTERPRISE LIMITED | Fabricated metal products | 2010 | Total exemption (full) |
| RAINBOW ENGINEERING SERVICES LIMITED | Pharmaceuticals | 2010 | Total exemption (full) |
| DAIRY DAY LIMITED | Food products | 2010 | Total exemption (full) |
| CHILFEN EXPORT PACKAGING LIMITED | Wood products | 2010 | Small company accounts |