| CAMBRIAN PRINTERS LIMITED | Printing and recorded media | 1925 | Audit-exempt subsidiary |
| STEPHENS AND GEORGE LIMITED | Printing and recorded media | 1946 | Group accounts |
| PENSORD PRESS LIMITED | Printing and recorded media | 1968 | Audit-exempt subsidiary |
| TENNECO-WALKER(U.K.)LIMITED | Motor vehicles and parts | 1970 | Full accounts |
| THE ENFIELD PRINTING COMPANY LIMITED | Printing and recorded media | 1977 | Audit-exempt subsidiary |
| DESIGN AND MANUFACTURE LIMITED | Fabricated metal products | 1982 | Total exemption (full) |
| ALROD LIMITED | Fabricated metal products | 1986 | Total exemption (full) |
| O.P. CHOCOLATE LIMITED | Food products | 1990 | Full accounts |
| CARIC PRESS LIMITED | Printing and recorded media | 1991 | Total exemption (full) |
| THE MERTHYR TYDFIL INSTITUTE FOR THE BLIND | Paper and paperboard | 1991 | Small company accounts |
| PRINT EVOLUTION LIMITED | Printing and recorded media | 2003 | Total exemption (full) |
| PENSORD HOLDINGS LIMITED | Other manufacturing | 2003 | Audit-exempt subsidiary |
| LUC (UK) LIMITED | Fabricated metal products | 2006 | Unaudited abridged |
| QUANTUM ES LIMITED | Machinery and equipment | 2008 | Small company accounts |
| REFRIGERATED TRAILER SERVICES LIMITED | Repair and installation of machinery | 2008 | Unaudited abridged |
| BOX LITHO LIMITED | Paper and paperboard | 2009 | Total exemption (full) |
| PENSORD TWENTY10 LIMITED | Printing and recorded media | 2010 | Audit-exempt subsidiary |