| CLYDESDALE LIMITED | Machinery and equipment | 1980 | Total exemption (full) |
| DECANTAE MINERAL WATER LIMITED | Beverages | 1985 | Total exemption (full) |
| FOAM CONVERSION (U.K.) LIMITED | Chemicals | 1989 | Total exemption (full) |
| FONTHILL WATERS LIMITED | Beverages | 2000 | Total exemption (full) |
| CHILTERN BUILDING PRODUCTS LTD | Rubber and plastics | 2002 | Total exemption (full) |
| WESTERN BLOCKS HOLDINGS LIMITED | Glass, ceramics, cement and stone | 2004 | Total exemption (full) |
| CHILTERN GRC LIMITED | Glass, ceramics, cement and stone | 2008 | Total exemption (full) |
| BARWELL SPARES & SERVICE LIMITED | Fabricated metal products | 2009 | Total exemption (full) |
| SIMPLICITY BLINDS LIMITED | Other manufacturing | 2010 | Total exemption (full) |