Dunhaven Energy Inc.
Dunhill Marketing Systems Corp.
Dunmanway Investments Ltd.
dunn legaltech ltd.
Dunsmuir Quarries Ltd.
Duo Resources Ltd.
Dura-Lite Heat Transfer Products Ltd.
Durable Methods Incorporated
Duraline Roadmarking Research Inc.
Duraprene Industries Ltd.
Durlabh Homes Ltd.
Dutch Traders Inc.
Dutcheweiss Investment Corporation
Duvernay Oil Corp.
Duwa International Trading Co. Ltd.
Duxbury Investments Ltd.
DvS Advertising Inc.
DVT Solutions Inc.
DW Environmental
Dwayne Air (2000) Ltd.