1981

Established SE Corporation (formerly SE Sangyo Co., Ltd.).

1983

Established the SEEE Association.

1989

Started sales of "F-PH stay cables for cable stayed bridges."

1990

Established Atsugi Factory.

1994

Started sales of "F500PH stay cables for cable stayed bridges."
Technical examination certification obtained from the SABO & Landslide Technical Center (STC) of Japan for SEEE Ground Anchor MethodTible Anchor Type A.
Constructed Yamaguchi Factory.

1995

Established joint venture KOREA SE CORPORATION in South Korea.
Started sales of "new anti-seismic ties for bridges."

1996

Started sales of "large stay cables Type PAC-H for cable stayed bridges."

1998

Started sales of "SEEE Ground Anchor Construction Method, Tible Anchor Type U."
Acquired ISO9001 certification for quality management system.

1999

Started over-the-counter trading (now Tokyo stock exchange JASDAQ ) of SE Corporation shares.
Started sales of the "SEEE/FUT System."

2000

Started sales of the "Tie-Bridge System of new anti-seismic ties for bridges."

2001

Established Ingérosec Corporation.

2002

Started sales of the "SEEE/KIT frame."

2003

Started sales of the "SEEE vacuum grout pump."
Started sales of "SEEE Ground Anchor Method, Tible Anchor Type M."
Started sales of the "SEEE/KIT reaction plate."

2004

Established SE Biomass Technology Inc.
Started sales of the "SEC Type Decompression drying machine" for biomass recycling systems.

2005

Started sales of the "Universal System" of lower part connectors for anti-seismic ties for bridges.
Acquired ISO14001 certification for environmental management system (at Headquarters and Yamaguchi factory).
Developed "Accurate Quick Stressing System" (AQSS) for the control of stress on cables of cable stayed bridges.

2007

Started sales of "Ground Anchor Construction Method, Super Flotech Anchor."
Expanded Yamaguchi Factory.
Established Vietnam-Japan Engineering Consultants Co., Ltd. (VJEC)

2008

Shares of KOREA SE CORPORATION were listed on the KOSDAQ stock exchange in South Korea.

2009

Yabegawa Bridge, connecting Takata-machi in the city of Miyama, Fukuoka Prefecture, and Yamato-machi in the city of Yanagawa, Fukuoka Prefecture, opened (uses SE Corporation "FUT-H stay cables").
Choshi Bridge, connecting the city of Choshi, Chiba Prefecture, and the city of Kamisu, Ibaraki Prefecture, opened (uses SE Corporation"FUT-H stay cables").
Takashima Hizen Bridge, connecting Hizen-cho in the city of Karatsu, Saga Prefecture, and Takashima-cho in the city of Matsuura, Nagasaki Prefecture, opened (uses SE Corporation "FUTH stay cables").
Expanded warehouse of Yamaguchi Factory.
Made Asahi Kogyo Co., Ltd. a subsidiary, which later changed its name to SE Asahi Inc.
"Anchor Construction Method for Anti-Seismic Fortification of Docks and Shore Protection Walls" evaluated by the Coastal Development Institute of Technology.

2010

Made KYOEI Corporation a subsidiary.

2012

KYOEI Corporation merged with SE Asahi Inc. and changed its name to SE A&K Corporation (currently a consolidated subsidiary).
Nakata Construction Co., Ltd. made a subsidiary; subsequently integrated with the Repair-Techno Business and changed name to SE Repair Co., Ltd. (currently consolidated subsidiary).

2012

KYOEI Corporation merged with SE Asahi Inc. and changed its name to SE A&K Corporation (currently a consolidated subsidiary).
Nakata Construction Co., Ltd. made a subsidiary; subsequently integrated with the Repair-Techno Business and changed name to SE Repair Co., Ltd. (currently consolidated subsidiary).

2014

 

Tekken Industrial Corporation made a subsidiary,and changed its name to SE Tekken Corporation(currently a consolidated subsidiary).

2015

 

 

Obtained 100% of the Morita Kosan Corporation's share, and marged with SE Tekken Corporation.

Nakagawa Iron Works Corporation made a consolidated subsidiary.

2016

 

 

Established the ESCON Association.