Dufferin Chemical Industries Limited
Duffstein Holdings Inc.
Duflaw Disposal Inc.
Dugh Management Consulting Inc.
Dugsky Productions Ltd.
Duna Contracting Incorporated
Dunblaine Capital Corporation
Duncan Instruments Canada Ltd.
Dundas Data Visualization Inc.
Dunfield's Gourmet Inc.
Dunhuang Restaurant Holdings Inc.
Dunkerron Technologies Inc.
Dunn And Bowser Communication Towers (services) Ltd.
Duo-Glas North America Ltd.
DUODUO Starts Inc.
Duplate Canada Inc.
Durable and Negotiable Roofing LTD.
Durable Financial Inc.
Duraline
Duro-Test Canada Inc.