| CLEANING SUPPLIES CARDIFF LIMITED | Other manufacturing | 1971 | Total exemption (full) |
| INFOGRAPHICS LIMITED | Printing and recorded media | 1973 | Total exemption (full) |
| CTRONIX LIMITED | Computers, electronics and optics | 1979 | Total exemption (full) |
| SHOR-LINE LIMITED | Fabricated metal products | 1985 | Total exemption (full) |
| RBD ENTERPRISES LIMITED | Machinery and equipment | 1990 | Total exemption (full) |
| ENZO (CLEANING PRODUCTS) LIMITED | Other manufacturing | 1995 | Total exemption (full) |
| STORAGE DESIGN LIMITED | Repair and installation of machinery | 1996 | Total exemption (full) |
| HEAT EXCHANGER SERVICES (WALES) LIMITED | Fabricated metal products | 1996 | Total exemption (full) |
| T J MORGAN (BARRY) LIMITED | Rubber and plastics | 1998 | Unaudited abridged |
| WILCARE WALES LIMITED | Furniture | 2001 | Total exemption (full) |
| R & T FABRICATIONS LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| CARRIE ELSPETH LTD | Other manufacturing | 2003 | Total exemption (full) |
| ASHDOWN CONSTRUCTION GROUP LIMITED | Wood products | 2005 | Total exemption (full) |
| MAGNET & STEEL LTD | Printing and recorded media | 2006 | Total exemption (full) |
| CONSTRUCTION PLANT SERVICES LIMITED | Repair and installation of machinery | 2007 | Total exemption (full) |
| SMFI LIMITED | Other manufacturing | 2009 | Audit-exempt subsidiary |