| RAFSEAL LIMITED | Other manufacturing | 1946 | Total exemption (full) |
| WINMAU DARTBOARD COMPANY LIMITED | Other manufacturing | 1959 | Full accounts |
| ROCKWOOL LIMITED | Glass, ceramics, cement and stone | 1970 | Full accounts |
| COPPICE ALUPACK LIMITED | Paper and paperboard | 1972 | Group accounts |
| ATLANTIC PLASTICS LIMITED | Chemicals | 1974 | Full accounts |
| GLAMORGAN FABRICATION LTD | Fabricated metal products | 1974 | Total exemption (full) |
| DOLLCAST LIMITED | Fabricated metal products | 1978 | Total exemption (full) |
| RIVERSIDE INDUSTRIAL EQUIPMENT LIMITED | Repair and installation of machinery | 1983 | Total exemption (full) |
| ROMA MEDICAL AIDS LIMITED | Fabricated metal products | 1984 | Small company accounts |
| EXPRESS SERVICE ENGINEERING LIMITED | Other manufacturing | 1985 | Total exemption (full) |
| TECHNIVAC LIMITED | Machinery and equipment | 1985 | Small company accounts |
| TECHNOVENT LIMITED | Other manufacturing | 1985 | Total exemption (full) |
| SPECTRUM TECHNOLOGIES LIMITED | Machinery and equipment | 1989 | Group accounts |
| IRVINGQ LIMITED | Other manufacturing | 1990 | Full accounts |
| ORTHO-CLINICAL DIAGNOSTICS | Pharmaceuticals | 1990 | Full accounts |
| NODOR INTERNATIONAL LIMITED | Other manufacturing | 1994 | Group accounts |
| ATLANTIC MACHINERY LIMITED | Other manufacturing | 1994 | Total exemption (full) |
| FLOATRIDGE LIMITED | Fabricated metal products | 1994 | Total exemption (full) |
| GEMINI DIGITAL COLOUR LIMITED | Printing and recorded media | 1995 | Total exemption (full) |
| DRAGON LASER LIMITED | Fabricated metal products | 1995 | Total exemption (full) |
| PHOTRONICS (UK) LIMITED | Computers, electronics and optics | 1995 | Medium company accounts |
| K.N.M. LIMITED | Rubber and plastics | 1995 | Total exemption (full) |
| SOLAR SUNSHADES LIMITED | Other manufacturing | 1996 | Total exemption (full) |
| MARKES INTERNATIONAL LIMITED | Other manufacturing | 1997 | Group accounts |
| TRUPLATE LIMITED | Other manufacturing | 1997 | Unaudited abridged |
| DRIVESHAFT SERVICES LIMITED | Other manufacturing | 1998 | Total exemption (full) |
| CUSTOMISED SHEET METAL LIMITED | Fabricated metal products | 1999 | Total exemption (full) |
| ORMONVINE LIMITED | Repair and installation of machinery | 1999 | Unaudited abridged |
| CRD PRECISION ENGINEERING LIMITED | Machinery and equipment | 1999 | Total exemption (full) |
| P. D. MORGAN LIMITED | Wood products | 1999 | Total exemption (full) |
| DICKY DONUTS LIMITED | Food products | 2000 | Total exemption (full) |
| CORNELIUS DESIGN TO PRINT LIMITED | Other manufacturing | 2001 | Small company accounts |
| SRM PRECISION ENGINEERING LIMITED | Fabricated metal products | 2002 | Unaudited abridged |
| SEPSOLVE ANALYTICAL LIMITED | Computers, electronics and optics | 2002 | Audit-exempt subsidiary |
| EDWARDS STEEL SERVICES LIMITED | Machinery and equipment | 2002 | Total exemption (full) |
| SMG (KENT) LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| CROSS INN (MAESTEG) LIMITED | Beverages | 2003 | Total exemption (full) |
| TBD AIRCRAFT GSE LIMITED | Machinery and equipment | 2003 | Medium company accounts |
| ENGINEERING SERVICES (BRIDGEND) LIMITED | Repair and installation of machinery | 2003 | Full accounts |
| PHILLIPS ENGINEERING (WALES) LIMITED | Machinery and equipment | 2003 | Total exemption (full) |
| APR DISTRIBUTORS LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| TROJAN-MEK LIMITED | Repair and installation of machinery | 2004 | Unaudited abridged |
| TJ SERVICES (WALES) LIMITED | Repair and installation of machinery | 2004 | Total exemption (full) |
| GUARDIAN GAS (GB) LTD | Other manufacturing | 2004 | Total exemption (full) |
| QMECH LTD | Fabricated metal products | 2004 | Total exemption (full) |
| AMBERWELL ENGINEERING SERVICES LIMITED | Repair and installation of machinery | 2004 | Total exemption (full) |
| REL ACOUSTICS LIMITED | Other manufacturing | 2005 | Small company accounts |
| AMARIS GRANITE & MARBLE LIMITED | Furniture | 2005 | Total exemption (full) |
| CENIN LIMITED | Glass, ceramics, cement and stone | 2005 | Total exemption (full) |
| RUSKINN TECHNOLOGY LIMITED | Machinery and equipment | 2006 | Small company accounts |
| SOFA-ICON LIMITED | Textiles | 2006 | Total exemption (full) |
| SEBWOOD PRODUCTS LIMITED | Furniture | 2006 | Total exemption (full) |
| PLANSURE BUILDING PRODUCTS LIMITED | Other manufacturing | 2006 | Audit-exempt subsidiary |
| ALTECH UK LABELLING TECHNOLOGIES LIMITED | Machinery and equipment | 2007 | Total exemption (full) |
| DUNRAVEN HOLDINGS LIMITED | Other manufacturing | 2007 | Group accounts |
| ECONOTHERM (UK) LIMITED | Machinery and equipment | 2007 | Small company accounts |
| TY TANGLWYST DAIRY LIMITED | Food products | 2007 | Unaudited abridged |
| PIN-IT PASTRY LIMITED | Food products | 2008 | Medium company accounts |
| RVS ENGINEERING (2008) LIMITED | Repair and installation of machinery | 2008 | Total exemption (full) |
| TOTAL FABRICATION SERVICES (WALES) LIMITED | Basic metals | 2010 | Total exemption (full) |