Hokkaido Railway Company
East Japan Railway Company
Central Japan Railway Company
West Japan Railway Company
Shikoku Railway Company
Kyushu Railway Company
Japan Freight Railway Company
RAILWAY　INFORMATION　SYSTEMS　CO., LTD.
Railway Technical Research Institute
HJR Corporation
SAPPORO ROLLING STOCK & MACHINERY CO., LTD.

Keiyorinkai Co., Ltd.
EAST JAPAN RAILWAY TRADING CO., LTD.
JR East Information Systems Company
JR EAST MECHATRONICS CO., LTD.
Japan Transport Engineering Company
JR East Rail Car Technology & Maintenance Co., LTD

Union Construction Co., Ltd.

Kanarin Co.,Ltd
Nihonkikaihosen Co., Ltd.
JR Tokai Corporation

Shinkansen Maintenance Tokai Co., Ltd.
Tokai Rolling Stock & Machinery Co., Ltd.
NIPPON SHARYO, LTD.
SHINSEI TECHNOS CO., LTD.

Nagoya Rinkai Railway Co., Ltd.
NIPPON HOTEL Co., Ltd.
JAPAN RAILWAY WEST TRADING Co.
WEST JAPAN RAILWAY TECHNOS CORPORATION
JR West MAINTEC Co., LTD
WEST JAPAN RAILWAY SHINKANSEN TECHNOLOGY CORPORATION.
RAILWAY TRACK AND STRUCTURES TECHNOLOGY CO., LTD.
West Japan Railway Techsia Co., Ltd.
West Japan Electric System Co., Ltd.
e-TEC
Shikoku Rollingstock & Machinery Engineering Co., Ltd.
Yontetsu Unyu Company
JR Kyushu Engineering, Ltd.
JR Kyushu Trading Co., Ltd
JR Freight Corporation
JR Kyushu Service Support, Ltd.

TOBU RAILWAY CO., LTD.

SEIBU RAILWAY Co., Ltd.

Keisei Electric Railway Co., Ltd.

Keio Corporation

Odakyu Electric Railway Co., Ltd.
TOKYU CORPORATION
SAGAMI RAILWAY Co., Ltd.

Nagoya Railroad Co., Ltd.

Kintetsu Railway Co., Ltd.

Nankai　Electric　Railway　Co., Ltd.

Keihan Electric Railway Co., Ltd.

Hankyu Corporation
HANSHIN ELECTRIC RAILWAY CO., LTD.

Nishi - Nippon Railroad Co., Ltd.
Tokyo Metro Co., Ltd.

Osaka Metro Co., Ltd

South Hokkaido Railway Company

Nagano Electric Railway Co., Ltd.

Kanto Railway Co., Ltd

Kashima Rinkai Tetsudo Co., Ltd.

Watarase Keikoku Railway Co.,Ltd.

Saitama Railway Corporation

Ryutetsu Co., Ltd. 
Shin-Keisei Electric Railway Co., Ltd.

Kominato Railway Co., Ltd.

 Hokuso-Railway Co.,Ltd. 

Metropolitan Intercity Railway Company

Tokyo Waterfront Area Rapid Transit, Inc.

Hakone Tozan Railway Co., Ltd.

Enoshima Electric Railway Co.,Ltd

FUJI KYUKO CO., LTD

IZUHAKONE RAILWAY CO., LTD.

IZUKYU CORPORATION

Shizuoka Railway Co., LTD.

Oigawa Railway Co., Ltd.

Toyohashi Rail Road Co., Ltd.

Nagoya Rinkai Rapid Transit Co., Ltd.

Aichi Loop Railway Co., Ltd.

OHMI Railway Co., Ltd.

SEMBOKU RAPID RAILWAY CO., LTD.

Nose Electric Railway Co., Ltd.

Kobe Electric Railway Co.,Ltd.

Sanyo Electric Railway Co., Ltd.

Minami-aso Railway Co.,LTD.

Heisei Chikuho Railway Co. Ltd.

TOKYO MONORAIL CO., LTD.

Tokyo Tama Intercity Monorail Co., Ltd.

Chiba Urban Monorail Co., Ltd.

OSAKA MONORAIL CO., LTD.

Kitakyushu Urban Monorail Co., Ltd.

Okinawa Urban Monorail, Inc.

Saitama New Urban Transit Co., Ltd.
Yurikamome Inc.
YOKOHAMA SEASIDE LINE Co., Ltd.

Kobe New Transit Co., Ltd.

Transportation Bureau, City of Sendai
Bureau of Transportation, Tokyo Metropolitan Government
Transportation Bureau, City of Nagoya
Kyoto Municipal Transportation Bureau
Kobe City Transportation Bureau
Fukuoka City Transportation Bureau

Hitachi, Ltd.
Hitachi Industrial Products, Ltd.
HYS Engineering Service Inc.
Hitachi Automotive Systems, Ltd.
Hitachi Global Life Solutions, Inc.
Hitachi Chemical Company, Ltd.
Hitachi Transportation Technologies, Ltd.
Hitachi Kokusai Electric Inc.
Hitachi Business International, Ltd.
Hitachi Industrial Equipment Systems Co., Ltd.
Hitachi Systems, Ltd.
Hitachi Solutions, Ltd.
Hitachi Nico Transmission Co., Ltd.
Hitachi High-Tech Corporation
Hitachi Power Solutions Co., Ltd.
Hitachi Plant Mechanics Co., Ltd.
Hitachi Plant Construction, Ltd.
Hitachi Mitsubishi Hydro Corporation

ITT Cannon, Ltd.
ASUKATEC CORPORATION
ANDES ELECTRIC CO., LTD.
Amphenol Japan Ltd.

INNOPHYS CO.,LTD.
Energy Support Corporation
EBARA CORPORATION

FPS Inc.
Elematec Corporation

Kawasaki Railcar Manufacturing Co., Ltd.
Kawasaki Heavy Industries, Ltd.
Kitanihon Electric Cable Service Co., Ltd.
Glass Top K.K.
Kyosan Electric Manufacturing Co., Ltd.
The Kinki Sharyo Co., Ltd.
Kintetsu Railcar Engineering Co., Ltd.
Keio Juuki Seibi Co., Ltd.
Keikyu Fine-tec CO., LTD.
KEL CORPORATION
KOITO MANUFACTURING CO., LTD.
KOITO ELECTRIC INDUSTRIES, LTD.

KOTSUKENSETSU CORPORATION
GODO STEEL, Ltd.
Kobe Steel, Ltd.

GOKO SEISAKUSHO CO., LTD.
Kotobuki Kankyoh Kizai Co., Ltd
Sansei Technologies, Inc.

JFE Technos Co., Ltd

JFE LOGISTICS CORPORATION
Shikoku Instrumentation CO., LTD.

Showa Denko Materials Co., Ltd.
Shinsho Corporation

Shinko Engineering Co., Ltd.

Shinko Dengyo Corporation
SINFONIA ENGINEERING CO., LTD.
SINFONIA TECHNOLOGY CO., LTD.

SEIBU REALTY SOLUTIONS INC.
Daido Signal Co., Ltd.
TAIYO, LTD.

DAIWA DENGYO CO., LTD.

TAKABUN　COMMUNICATIONS　CO.,LTD.
TAMAOKA CORPORATION
TAMURA CORPORATION
CHUO SEISAKUSHO, LTD

DMG MORI CO., LTD.
Denshijiki Industry Co., Ltd.
TOACK Corporation

TOKYU TECHNO SYSTEM CO., LTD.

TOKYO ENERGY & SYSTEMS INC.

TRANS-TOKYO BAY HIGHWAY CORPORATION
TAKAOKA TOKO CO., LTD.
TOSHIBA CORPORATION
Toshiba Infrastructure Systems & Solutions Corporation
Toshiba Energy Systems & Solutions Corporation
Doshin Industry CO., LTD.
TOHO SHEET&FRAME CO., LTD.
TOHO ELECTRICAL CONSTRUCTION CO., LTD.
TOYO KEIKI CO., LTD.
TOYO DENKI SEIZO K.K. (TOYO ELECTRIC MFG. CO., LTD.)
TONETS CORPORATION

Central Nippon Expressway Company Limited

Central Nippon Facilities Management Co.,Ltd.

Central Nippon Highway Engineering Tokyo Company Limited.

Central Nippon Highway Engineering Nagoya Co., Ltd.
Nabtesco Corporation
Nabtesco Service Co., Ltd.
Niigata Transys Co., Ltd.

West Nippon Expressway Engineering Kansai Company Limited

West Nippon Expressway Engineering Kyushu Company Limited

West Nippon Expressway Patrol Kyushu Company Limited

West Nippon Expressway Facilities Co.,Ltd

West Nippon Expressway Maintenance Kyushu Company Limited.
NISSEI OVAL
NISHIYAMA Corporation
Nissin Electric Co., Ltd.
Nippon Steel Logistics Kashima Co., Ltd.
Nippon Steel Logistics Kimitsu Co., Ltd.
NICHICON CORPORATION
NIPPECO LTD.
J.S.T.MFG.CO., LTD.
Japan Aviation Electronics Industry, Limited
NIPPON SIGNAL CO., LTD.
THE JAPAN STEEL WORKS, LTD.
NIPPON DENSETSU KOGYO CO., LTD.
NIPPON RIETEC CO., LTD.

NEXCO-EAST ENGINEERING COMPANY LIMITED

Nomura Real Estate Partners Co.,Ltd.
Nord-Lock Japan Co., Ltd.
PARKER CORPORATION
PARKER ENGINEERING CO., LTD.
HASETEC Corporation

East Nippon Expressway Company Limited
Total Electric Management Service Co., Ltd.
PHOENIX CONTACT Japan
FUJI ELECTRIC CO., LTD.
Bridgestone Diversified Products Japan Co., Ltd.
FURUKAWA ELECTRIC POWER SYSTEMS CO., LTD.
HOKURIKU HEAVY INDUSTRIES, LTD.
MES TOKKI & ENGINEERING CO., LTD.
Mitsui & Co. Plant Systems, Ltd.

Mitsubishi HC Capital Inc.
Mitsubishi Heavy Industries, Ltd.
Mitsubishi Electric Corporation
Mitoyo-seiko co., ltd.
Meitetsu EI Engineer Co. Ltd.
MEIDENSHA CORPORATION
Metro Sharyo Co., Ltd.
MORIO DENKI CO., LTD.
LECIP CORPORATION
YAMAICHI ELECTRONICS CO., LTD.
Yamakyu Corp.
YAWATA ELECTRIC INDUSTRIAL CO., LTD.
YUTAKA MANUFACTURING CO., LTD.

FLABEG Automotive Mirror (Shanghai) Co.Ltd.
B.Hepworth and Co.Ltd.
Padu Sedia SDN BHD
PT.MASS RAPID TRANSIT JAKARTA PERSERODA
Hitachi Rail Limited

Hitachi Australia Pty Ltd
Unipart Rail Limited
Global Business Power Corp.

THINH PHAT TRANSPORT TRAFFIC SERVICE TRADING COMPANY LIMITED

Taiwan High Speed Rail Corporation
TE LUNG TRADING CO.,LTD.

(Titles omitted, in no particular order)