O.s.c. Partitions Ltd.
O.s.c. Realties Ltd.
O.s.d. Dépôt Fournitures de Bureau Inc.
O.S.D.E. Organisation et Stratégie Des Entreprises inc.
O.s.f. (ressources Alimentaires) Inc.
O.s.s.t Inc.
O.t.a. Organizational Transition Associates Inc.
O.t.p. Consultants Of Canada Ltd.
O.t.p. Transport Inc.
O.w.l. Communications Ltd.
O/E Land Inc.
O/e Land Inc.
O2TEK Inc.
O=c=o Corporation
O=C=O Technologies inc.
Oak Concrete Canada Inc.
Oak Consulting Canada Ltd.
Oak Park Farms Inc.
Oakiz Inc.
Oakland Boulevard Realties Inc.