Japan Nuclear Security System Co.,Ltd.

JNSS is a systems
engineering company.

JNSS is a leading specialist which has more than 70%(*) of Japanese domestic share in the filed of security for nuclear power plants.
JNSS designs and builds customized security systems for nuclear power plants by integrating globally sourced selected products and provides maintenance supports as well.
JNSS is always open to explore and discuss innovative options that can be integrated in our systems so we welcome contacts with product introductions.
Countries of manufacuture
Japan, U.S., Canada, Israel, Korea, Sweden, etc…
System / equipment
Biometric Device / Intrusion Detection System /
Thermal Imagers(camera) / Drone Detection System /
Drone Jamming System, etc…
(*) Based on number of industrial nuclear power plants in Japan.

ABOUT US

our public mission
JNSS protects nuclear power plants from the threats of terrorism.
Since the 9.11 terrorist attacks, there is a growing concern with the potential for nuclear terrorism in the Japanese nuclear power plants as well.
The major Japanese nuclear power plants have installed our “Security System” to enhance their security (against terrorism).
JNSS has been providing its high-quality “Security System” for more than 40 years since its foundation.
We will continue to respond to emerging threats by leading-edge technological capabilities that utilize our extensive and proven experience.
JNSS protects your energy source for living.
JNSS provides physical protection for large generating facilities including nuclear power plant.
Protecting these facilities result in protecting your energy source.
JNSS’s physical protection system is used in the major domestic nuclear power plants.
JNSS provides security systems for important facilities such as datacenter as well.
JNSS provides security systems for important facilities such as datacenter by utilizing technologies acquired in the field of security.
JNSS, who provides optimum security systems consistently from designing, constructing to maintenance, is trusted by customers as a system integrator who can respond to every needs.

COMPANY PROFILE

Company Name JAPAN NUCLEAR SECURITY SYSTEM CO.,LTD(Abgr.:JNSS)
Head Office 15F Toranomon Twin Bldg East, 2-10-1, Toranomon, Minato-Ku, Tokyo,
105-0001 Japan
Number of Business Offices 13
(As of March 1, 2024)
Capital 200 million yen ≒ 1.7 million Euro
Shareholders SECOM CO.,LTD / 50%
TOKYO ELECTRIC POWER COMPANY HOLDINGS,INC. / 20%
KANSAI ELECTRIC POWER CO.,INC. / 20%
CHUBU ELECTRIC POWER CO.,INC. / 10%
Establishment July 21, 1977
Annual Sales 24 billion yen ≒ 141 million Euro
(As of FY 2023)
Business Area
  • Procurement of security products for “Nuclear Facility”,”Power Plant” and “Data Center”
  • Design work of security systems for “Nuclear Facility”,”Power Plant” and “Data Center”
  • Construction work of security systems for “Nuclear Facility”,”Power Plant” and “Data Center”
  • Maintenance work of security systems for “Nuclear Facility”,”Power Plant” and “Data Center”
  • Dispatch of “Security Guards” and “CAS Oparators” to “Nuclear Facility”
  • Security service for “Nuclear Fuel Material” duaring transportation
  • R&D of Security products for “Nuclear Facility”,”Power Plant” and “Data Center”
Main Customers TOKYO ELECTRIC POWER COMPANY HOLDING, INC.
KANSAI ELECTRIC POWER CO.,INC.
CHUBU ELECTRIC POWER CO.,INC.
TOHOKU ELECTRIC POWER CO.,INC.
THE JAPAN ATOMIC POWER COMPANY