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Our History

1971 - 1980

1971 Japan NUS Co, Ltd. (JANUS) was founded based on the capital and technology of NUS Corporation and JGC Corporation and with capital participation by Tokyo Electric Power Company for the business purpose of offering nuclear power related consulting and engineering services.
1972 JANUS has started consulting and engineering services related to environmental issues.
1974 Kansai Electric Power Company and Chubu Electric Power Company have acquired capital.
1977 JANUS expanded nuclear power field to the entire energy field.

1981年 - 1990

1990 JANUS has started global-scale environment-related business and waste-related business.

1991 - 2000

1991 JANUS has started consulting and engineering services related to system development in the general science and technology and industrial fields.
1996 Energy-related business division of NUS Corporation was sold to Scientech. Following this, Scientech and JANUS signed a business cooperation agreement.
1998 ARIA Technologies S.A. and JANUS signed a business cooperation agreement.
Virginia Power Nuclear Services and JANUS signed a business cooperation agreement.
1999 National Economic Research Associates, Inc. (NERA) and JANUS signed a business cooperation agreement.

2001 - 2010

2003 Value Management Institute, Inc. and JANUS signed a business cooperation agreement.
2004 Tokyo Bay Ecosystem Research Center, Faculty of Science, Toho University and JANUS signed a business cooperation agreement.
2006 Tsinghua University and JANUS implemented a Chinese CDM-related project together.
2007 Sogreah (currently Artelia) and JANUS signed a business cooperation agreement.

2011 - 2020

2012 Beijing Zhenyoutang ITD Co., Ltd. and JANUS signed a business cooperation agreement.