O. Browne Distributing Co. Ltd.
O. Buzio Restaurant Inc.
O. Canada Foods Inc.
O. DEFECTS Containment Services Canada, Inc.
O. Galeto Restaurant Ltd.
O. Migliavacca Services Inc.
O. Quai Industries INC.
O. R. O. Research & Development Corporation
O. R. Taylor Limited
O. Rhodes Strategic consulting Corp.
O. Rivard Resources Limited
O. See Light Technology INC.
O. Trade and Market Access Ltd.
O.a.a.t.c.m. Canada Inc.
O.a.f.c. Overseas Agri-Food Commerce Ltd.
O.B.'S Natural Gas Heating and AC Inc.
O.c. Marine Inc.
O.C. Tanner Recognition Company Limited
O.c.c.a. Inc.
O.C.E. Electronics Ltd.