Owings Matthew Geoffrey
Oxford Applied Research Limited
Oxibio, Inc.
OxiDyn, Incorporated
Oxoid (Ely) Limited
Oxy Japan Company Limited
Oxygen Generating Systems, Inc.
OxySure Systems Inc.
Oxytech, Inc.
Oy Fluorplast AB
Oy Santasalo-Sohlberg AB
Oya Hideo
Oya Hiroo
Oye Raysabro
Oyster Bay Pump Works, Inc.
Ozact, Inc.
Ozasa Masatsugu
Ozawa Teruhiko
Özbal Can
Ozonator Limited