Dunn Engineering Inc.
Duo Communications (ottawa) Inc.
Duorep Inc.
Dupont Mercury Lincoln Sales Inc.
Duraline Power Systems Ltd.
Durapro Flooring and Renovations Ltd.
Durga Foundation
Durnel Investments Limited
Durou & Belanger Technology Management Inc.
Dussart Marketing And Research Inc.
Dust Bunny Robotics Inc.
Dustbane (ontario Division) Limited
Dustbane Enterprises Limited
Dustbane Holdings Limited
Dustbane Products Limited
Dustbane Products Ltd.
Dutec Electronics Inc.
Duwatech Inc.
DVK Oil & Gas Canada Inc.
Dwor-Lex Holdings (canada) Ltd.