O'Byrne Michael
O'Connor Roderick S.
O'Donnell Richard J
Ochoa Adam A.
Oddsson Magnus
Officine Ortopediche Rizzoli S.p.A.
Ohio Willow Wood
Ohio Willow Wood Company
Okediji Adeola
Okuda Masahiko
Ortho Europe Limited
Ortho Europe Ltd.
Ortho-Bionics Laboratory, Inc.
Orthocare Innovations LLC
OrthoCare Innovations, Inc.
Orthomedics, Inc.
Orthopedic Specialties, Inc.
Ossur Engineering, Inc.
Össur hf
Ossur HF.