Ono Keisuke
Onorato Edward
Ontelus Stefan
Onyszko Gerard
Oono Hajime
Oosterheerd Evert
OPCOM Inc.
Opfer John G
Opolka Harald
Opolka Rainer
Oppermann Henry J.
Oppizzi Daniele
Optical & Textile Limited
Optotech Corporation
Optronics International, LLC
Optronics Products Company, Inc.
Optronics, Incorporated
Orellana Angel
Orex Co., Ltd.
Orgovan Donald J.