| ORMISTON WIRE LIMITED | Fabricated metal products | 1923 | Total exemption (full) |
| NEWMONT ENGINEERING COMPANY LIMITED | Fabricated metal products | 1955 | Total exemption (full) |
| MURRAY (PRODUCTIONS) LIMITED | Machinery and equipment | 1972 | Total exemption (full) |
| CAPRI FOODS LIMITED | Food products | 1983 | Total exemption (full) |
| REFURB-A-SASH LIMITED | Wood products | 1996 | Total exemption (full) |
| CLAYTON PRECISION ENGINEERING CO. LTD. | Fabricated metal products | 1999 | Total exemption (full) |
| LES ARTISANES LIMITED | Textiles | 2004 | Total exemption (full) |
| ANGELINA COLARUSSO LIMITED | Clothing | 2006 | Total exemption (full) |