W. B. Holdings (windsor) Limited
W. B. Robertson Infrastructure Services Ltd.
W. B. Walsh Limited
W. Berbenuik Building Materials Ltd.
W. Bingley & Son Limited
W. Braun Packaging Canada Ltd.
W. C. H. Access Systems Inc.
W. Coelho Information Technology Inc.
W. Collection Inc.
W. Cooper Inc.
W. D. L. A. Sales Group Inc.
W. David Sneddon & Associates Inc.
W. Designlab Inc.
W. Donald Wells Consultants Ltd.
W. E. Mckeen Consulting Company Limited
W. E. Phillips Co. Ltd.
W. F. Martell & Assoc. Inc.
W. Fearnehough (canada) Limited
W. Foulsham & Company (canada) Limited
W. Furoy Deviation Control Services Inc.