Q'd TOKYO ENERGY & SYSTEMS INC.

Corporate Outline Corporate Outline

Company Profile

Company Name TOKYO ENERGY & SYSTEMS INC.
Address of
Head Office		 1-3-1 Nihonbashi Kayabacho, Chuo-ku, Tokyo, 103-0025 Japan
Phone +81 3-6371-1947
Fax +81 3-3669-0920
Date of Establishment August 14, 1947
Capital Stock 2,881 million yen (as of March 31,2024)
Business Outline
  1. Planning, study, design, construction and supervision of electric and mechanical facilities for the following plants and facilities:
    • Thermal Power Plants
    • Nuclear Power Plants
    • Hydro-electric Power Plants
    • Substations
    • Chemical Plants
    • Industrial Plants
    • Environmental Facilities
    • Building & Housing
  2. Planning, study, design and construction of telecommunication system and electronic facilities
  3. Design and construction of civil and architectural facilities
  4. Operation and maintenance of the above facilities
  5. Manufacture, sales and leasing of mechanical equipment, materials and fuels
  6. Electricity supply business
  7. Warehousing business
  8. Worker dispatching business
  9. Sales/purchase, leasing, and management of real estate
  10. Investing in other businesses or becoming the founder of a company
Stock List Tokyo Stock Exchange the Prime Market (Code:1945)
Number of Employees 1,308 (as of March 31,2024)
Major Client
  • Tokyo Electric Power Company Holdings,Inc.
  • TEPCO Fuel & Power, Incorporated
  • TEPCO Power Grid, Incorporated
  • TEPCO Energy Partner, Incorporated
  • TEPCO Renewable Power, Inc.
  • JERA Co., Inc.
  • KK6 Safety Measures Joint Venture Corporation
  • Hokkaido Electric Power Co., Inc.
  • Hokuriku Electric Power Company
  • Tohoku Electric Power Co., Inc.
  • The Chugoku Electric Power Company, Incorporated
  • Japan Nuclear Fuel Limited.
  • Japan Atomic Power Company
  • Nuclear Engineering and Services Company
  • Recyclable - Fuel Storage Company
  • J·tech
  • Hokkaido Power Engineering Company, Incorporated
  • Kashima Kyodo Electric Power Co.
  • KASHIMA SOUTH JOINT POWER CORPORATION.
  • JOBAN JOINT POWER CO.,LTD.
  • Kimitsu Cooperative Thermal Power Company, Inc.
  • Mitsubishi Heavy Industries, Ltd.
  • Mitsubishi Electric Corporation
  • Mitsubishi Fuso Truck and Bus Corporation
  • Hitachi, Ltd.
  • Hitachi Plant Construction, Ltd.
  • Hitachi Zosen Corporation
  • Ohgishima Power Co.,Ltd.
  • East Japan Railway Company
  • TOSHIBA CORPORATION
  • TOSHIBA PLANT SYSTEMS & SERVICES CORPORATION
  • Toshiba Energy Systems & Solutions Corporation
  • Kawasaki Heavy Industries, Ltd.
  • FUJI ELECTRIC CO., LTD.
  • JFE Engineering Corporation
  • JGC
  • J&T Recycling Corporation
  • JAPAN FACILITY SOLUTIONS,Inc.
  • Hitachi Mitsubishi Hydro Corp.
  • NGK INSULATORS, LTD.
  • TOKYO GAS Co.,Ltd.
  • Tokyo Gas Engineering Solutions Corporation
  • Cosmo Oil Co., Ltd.
  • COSMO ENGINEERING CO., LTD.
  • ENEOS Corporation
  • JCOM Co., Ltd.
  • Mitsui Chemicals, Inc.
  • Nippon Dry-Chemical CO., LTD.
  • SHIMIZU CORPORATION
  • KAJIMA CORPORATION
  • TAKENAKA CORPORATION
  • Tokyo Metropolitan Government.
  • Kanagawa Prefectural Government.
  • Yamanashi Prefecture.
Group Companies
  • Toko Kigyo Co., Ltd.
  • BYCOM Co., Ltd.
  • Techno Tokyo Co., Ltd.
  • TOKI Co., Ltd.
  • Tokyo Enesys(Thailand)Co.,Ltd.
  • Admiration Co.,Ltd.
  • SCI Enesys Co., Ltd.
  • SAKAIMINATO ENERGY POWER
  • Kumamoto Energy Power
  • North Alps Energy Power
  • Tokyo Enesys Vietnam Co., Ltd.
  • ABTS ENESYS ENGINEERING LTD.

About ISO certification

We obtained quality management systems certification under the International Organization for Standardization (ISO) 9001 standard in 1998 in order to demonstrate our ability to provide high-quality construction work to customers through the construction of power supply equipment. Based on this certification, we have expanded our day-to-day business operations.

Moreover, we consider “environmental protection for society and the surrounding area” and “security of the occupational safety and health of employees and workers” to be key elements of our company’s operational philosophy.

In March 2006, we laid the cornerstone of our quality management system, which is an integrated management system incorporating vital aspects of occupational health and safety management and environmental systems.

Standard of
quality assurance		 ISO 9001
Certification provided LRQA Limited
Application organization Whole company
The certification
registration date		 July 24, 1998
Scope of registration Sales, design, procurement, manufacturing, construction, installation and maintenance of mechanical, electrical, civil engineering, architectural, and telecommunications equipment for thermal, nuclear, and renewable energy power plants, substations and other facilities

Organization (Revised on June 27, 2024)Download PDF(67KB)

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