| A. MARKHAM & SONS LIMITED | Basic metals | 1972 | Total exemption (full) |
| JOHN E.VINES LIMITED | Motor vehicles and parts | 1972 | Total exemption (full) |
| REGENCY VENEERS LIMITED | Wood products | 1978 | Total exemption (full) |
| ADAMS JOINERY LIMITED | Wood products | 1979 | Unaudited abridged |
| METRO LIMITED | Electrical equipment | 1980 | Total exemption (full) |
| PEM LASER LIMITED | Basic metals | 1983 | Total exemption (full) |
| PHOENIX COMPACTOR SERVICES LIMITED | Machinery and equipment | 1984 | Total exemption (full) |
| S. K. SIGNS AND LABELS LIMITED | Other manufacturing | 1986 | Total exemption (full) |
| HOLOGUARD LIMITED | Printing and recorded media | 2000 | Total exemption (full) |
| ATTWELL AUTOS LIMITED | Repair and installation of machinery | 2000 | Total exemption (full) |
| ULTIMATE 3D LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| PAUL BAISDEN LTD | Fabricated metal products | 2009 | Total exemption (full) |