D'arbre En Arbre Canada Inc.
D-Spec Electronics Custom Cable & Assemblies Inc.
D. & R. Desnoyers & Fils Inc.
D. Dunsmuir Holdings Limited
D. Zieroth Investments Inc.
D.c. Barwick Communications Inc.
D.c. Investigations Inc.
D.l.g.l. Immobilière Ltée
D.L.G.L. Ltd.
D.l.g.l. V.i.p. Technologies Corporation
D4y Productions Inc.
DACA Vision
Dacoya Inc.
Dakkar Ltee
Dals Lighting Inc.
Daltech Architectural Inc.
Dan Dumont Holdings Inc.
Danielle Agnew Accounting Services Inc.
Danielle-Dermont Inc.
Dansona International Investment Corporation