Altera Nikon Corporation
    Asahi Optical Co., Ltd. Nippon Bio-Rad Laboratories
    Asia Electronics Inc. Nippon Motorola Micro Electronics Corp.
    Bausch & Lomb Japan Ltd. Nippon Pillar Packing Co., Ltd.
    Calcomp Japan Procurement K.K. Nippon Sherwood Medical Industries Ltd.
    Canon Inc. Noritsukoki Co., Ltd.
    Carl Zeiss Co., Ltd. Olympus Optical Co., Ltd.
    Central Denshi Seigyo Ono Sokki Co., Ltd.
    Chinon Industries, Inc. Orbotech Japan Co., Ltd.
    Citizen Watch Co., Ltd. Pip-Fujimoto Co., Ltd.
    Copyer Co., Ltd. Rhythm Watch Co., Ltd.
    Dade Behring Ltd. Ricoh Co., Ltd.
    Dainippon Screen Mfg., Ltd. Ricoh Elemex Corporation
    Dia Systems Inc. S.L.T. Japan Co., Ltd.
    Elco International K.K. Schlumberger K.K.
    Fisher-Rosemount Japan Co., Ltd. Schneider
    Fuji Photo Optical Co., Ltd. Schroff K.K.
    Fuji Xerox Co., Ltd. Seiko Epson Corporation
    Guidant Japan K.K. Seiko Instruments Inc.
    Hakuju Health Science Company Ltd. Seikosha Co., Ltd.
    Hamada Heavy Industries, Ltd. Sena Co., Ltd.
    Heraeus Electro-Nite Japan Sendai Nikon Corporation
    Heraeus Kulzer Japan Co., Ltd. Shimadzu Corporation
    Hitachi Vlsi Engineering Co. Shofu
    Horiba, Ltd. Sony Precision Technology Inc.
    Hoya Corporation Sony Tektronix Corporation
    JMS Co., Ltd. Samsung Electronics Inc.
    Johnson Electric World Trade Limited Sun Medical Co., Ltd.
    Kanematsu Industry Machinery Limited Suss Microtec K.K.
    Kawasumi Laboratories, Inc. Sysmex Co.
    KDK Corporation Tanita Corporation
    Kulick And Soffa Japan Ltd. Tatsuno Co., Ltd.
    Kyocera Mita Corporation The Yoshida Dental Mfg. Co., Ltd.
    Lecroy Japan Corporation Tokai Optical Co., Ltd.
    Leybold Co., Ltd. Tokimec Inc.
    Linear Technology (Japan) K. K. Tokyo Boekj Techno-System Ltd.
    Macnica Inc. Tonokuraika Kogyo Co., Ltd.
    Marubeni Electronics Co., Ltd. Topcon Corporation
    Minolta Co., Ltd. Wacom Ltd.
    Mitutoyo Xebec Co., Ltd.
    Nidec Copal Electronics Corp. Y.O. Systems Inc.
    Nidek Co., Ltd. Yamato Scientific Co., Ltd.
    Nihon Mathys K.K.