SE Corporation
SE Corporation is a Japanese engineering company listed on the Tokyo Stock Exchange Standard Market, specializing in construction materials, equipment, and civil engineering systems.
Last updated September 16, 2026
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Overview
SE Corporation is a Japanese engineering company headquartered in Tokyo. Established in August 1967 and incorporated in December 1981, it is listed on the Tokyo Stock Exchange Standard Market under stock code 3423. The company operates in construction material and equipment, environmental and disaster prevention, bridge and civil structures, architectural construction materials, construction consulting, repair and reinforcement, and developing businesses, with overseas operations including South Korea and Vietnam.
History
SE Corporation was established in August 1967 and incorporated in December 1981 (formerly SE Sangyo Co., Ltd.). In 1989 it started sales of F-PH stay cables for cable stayed bridges, followed by F500PH stay cables in 1994. In 1995 it established joint venture KOREA SE CORPORATION in South Korea and started sales of new anti-seismic ties for bridges. In 1999 it started over-the-counter trading (now Tokyo Stock Exchange JASDAQ) of its shares. In 2001 it established Ingérosec Corporation. In 2004 it established SE Biomass Technology Inc. and started sales of the SEC Type Decompression drying machine for biomass recycling systems. In 2005 it acquired ISO14001 certification for environmental management system at Headquarters and Yamaguchi factory.
Products and positioning
Global Engineering Maker
1989
F-PH stay cables for cable stayed bridges
1994
F500PH stay cables for cable stayed bridges
1994
SEEE Ground Anchor Method, Tible Anchor Type A
1995
new anti-seismic ties for bridges
1996
large stay cables Type PAC-H for cable stayed bridges
1998
SEEE Ground Anchor Construction Method, Tible Anchor Type U
1999
SEEE/FUT System
2000
Tie-Bridge System of new anti-seismic ties for bridges
2002
SEEE/KIT frame
2003
SEEE vacuum grout pump
2003
SEEE Ground Anchor Method, Tible Anchor Type M
2003
SEEE/KIT reaction plate
2004
SEC Type Decompression drying machine
2005
Universal System of lower part connectors for anti-seismic ties for bridges
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