| SC JOHNSON PROFESSIONAL LIMITED | Chemicals | 1941 | Full accounts |
| TARPEY-HARRIS LIMITED | Fabricated metal products | 1969 | Full accounts |
| PEAK PLASTICS LIMITED | Rubber and plastics | 1971 | Total exemption (full) |
| MANTHORPE ENGINEERING LIMITED | Fabricated metal products | 1984 | Full accounts |
| SCHADES LIMITED | Paper and paperboard | 1988 | Group accounts |
| BLOCK PLANT LIMITED | Other manufacturing | 1999 | Total exemption (full) |
| FILIGREE HOLDINGS LIMITED | Textiles | 2006 | Total exemption (full) |
| DETECTION TECHNOLOGIES LIMITED | Electrical equipment | 2007 | Total exemption (full) |
| TECHNIQUE COMPOSITES LTD | Rubber and plastics | 2008 | Total exemption (full) |