About Us

Company Overview

CompanyCTI Engineering Co., Ltd.
EstablishedApril 1963
RepresentativeTatsuya Nishimura

Executive
Management

Directors and Auditors
 Board of Directors
Representative Director, ChairmanTetsumi Nakamura
Representative Director and President, CEOTatsuya Nishimura
Director, Senior Managing Executive OfficerNaoto Suzuki
Director, Managing Executive OfficerNaoki Fujiwara
Director, Managing Executive OfficerToshikazu Matsuoka
Director, Managing Executive OfficerMasahiro Emori
Director, Managing Executive OfficerMitsuho Amano
External DirectorFumiko Kosao
External DirectorYoshihisa Sonobe
External DirectorAtsuko Ogasawara
External DirectorToru Kuwano
Corporate Auditors Full-time AuditorAkira Tateyama
AuditorKeizo Mitsuke
External AuditorYasuro Tanaka
External AuditorGo Ishikawa
Executive Officers Managing Executive OfficerShigeo Nakashita
Managing Executive OfficerToshikazu Morito
Managing Executive OfficerHirofumi Kanai
Managing Executive OfficerHideaki Sekine
Managing Executive OfficerTomoyoshi Mizuma
Executive OfficerHirokatsu Kanazawa
Executive OfficerXuesong Yang
Executive OfficerTakeshi Ito
Executive OfficerTsukasa Ogura
Executive OfficerJotaro Matsuura
Executive OfficerJoji Nakano
Executive OfficerHisashi Nomiyama
Executive OfficerTakayuki Nagaya
Headquarters Nihombashi Hamacho F Tower, 3-21-1 Nihombashi Hamacho, Chuo-ku, Tokyo, Japan
Capital 3,025,875,010 yen
Listed on Tokyo Stock Exchange, Prime Market
Number of
Employees		 2,297 (as of April 1, 2025)
Services Provides professional consulting services related to civil engineering and construction works, including planning, research, design, and supervision.
Qualifications Registered Civil Engineering Consultant, Reg. No. 06-133
Registered Geological Surveyor, Reg. No. 04-19
Registered Compensation Consultant, Reg. No. 06-1002
Registered Surveyor, Reg. No. (16)-848
Registered First Class Architect’s Office, Governor of Tokyo, Reg. No. 4330
Registered First Class Architect’s Office, Governor of Osaka Prefecture, Reg. No. 12091
Registered First Class Architect’s Office, Governor of Aichi Prefecture, Reg. No. 13738
Registered Measurement Certification Business (Concentration) (Tokyo), Reg. No. 1424
Designated Investigation Institution No. 2003-8-3017, based on Article 3 (1) of the Soil Contamination Countermeasures Act
Forecasting Services License (Meteorological, Flooding) License No. 192
Certifications
  • Quality and Environmental Management System (QEMS)
  • JIS Q 9001:2015 (ISO 9001:2015) Certification No. MSA-QS-4 JIS Q 14001:2015 (ISO 14001:2015) Certification No. MSA-ES-10
  • Information Security Management System (ISMS)
  • JIS Q 27001:2023 (ISO/IEC 27001:2022) Certification No. MSA-IS-62
  • Asset Management System (AMS)
  • JIS Q 55001:2017 (ISO 55001:2014) Certification No. MSA-AS-13
    Tokyo Main Office: Waterworks Engineering Division,
    Infrastructure Management Division, Water and Sewerage Division
    Osaka Main Office: Water and Sewerage Section
Major Affiliated
Organizations		 Japan Civil Engineering Consultants Association (JCCA)
Japan Society of Civil Engineers (JSCE)
The Institution of Professional Engineers, Japan (IPEJ)
Sustainable Society Promotion Consultant Association (SuSPCA)
Japan Association of Environment Assessment (JEAS)
Engineering and Consulting Firms Association, Japan (ECFA)
Infrastructure Development Institute-Japan (IDI-Japan), and others
Main Clients The Ministry of Land, Infrastructure, Transport and Tourism (MLIT), prefectural and designated city governments, etc.
Group Companies CTI Engineering International Co., Ltd.
Waterman Group Plc
Japan Urban Engineering Co., Ltd.
Chi-ken Sogo Consultants Co., Ltd.
NISSOKEN Architects/Engineers
Environmental Research & Solutions Co., Ltd.
HIROKEN CONSULTANTS Co., LTD.
CTI Frontier Co., Ltd.
CTI Ascend Co., Ltd
CTI Reed Co., Ltd.
CTI Wing Co., Ltd.
CTI Ground Planning Co., Ltd.
Yuasa Consultant Co., Ltd.
Major Bankers MUFG Bank, Ltd.
Mizuho Bank, Ltd.
Resona Bank, Limited
Mitsubishi UFJ Trust and Banking Corporation