Duro-Test Canada Inc.
Duroco Resource Investments Ltd.
Duron Computer Resources Ltd.
Duropar Technologies Inc.
Durose Mineral Economics Inc.
Durox Floor Accessories PS (2003) Corp.
Durr Engineering & Management Canada, Inc.
Durrani & Associates Inc.
Durren-L Electrical System Inc.
Durrus Electronics Ltd.
Durso Transport Inc.
Durvex Capital Management Inc.
Dusco Doors Ltd.
Dussault Serafini Inc.
Dusting Delight Inc.
Dusty Planet Multimedia Incorporated
Dutch Magazine Productions Limited
Dutch Products Inc.
Dutch Treat Organization Inc.
Dutchess of Feathery Things INC.