search
Technologies and
Solutions
Civil Engineering Technology
Offshore Wind
Architectural Technologies
Environmental Technologies
Technical Research Centers
Projects
Civil Engineering Works
Building Construction Works
Overseas Works
Company
Profile
Greetings
Corporate Identity and Code of Conduct
Corporate Governance Guideline
Health & Safety, Environmental and Quality Management System Policies
Company Profile
Directors, Auditors and Executive officers
Corporate Organization
History
Places of Business
Group Companies
Investor
Relations
IR Library
Financial Report
Shareholder / stock information
Recruit
Career recruitment information for offshore wind section.
Sustainability
Toyo Construction Group’s Sustainability
Latest Integrated Report
Topics
IR News
Technical News
General News
TOYO HISTORY
Contact us
Language
日本語
ENGLISH
TOYO HISTORY
LANGUAGE
News Release
IR News
2025.12.15
Notice Regarding the Company’s Share Delisting from the Stock Exchange
[102KB: PDF]
IR News
2025.11.13
Notice Regarding the Approval of the General Meeting of Shareholder for Share Consolidation, Abolition of the Trading Share Unit Provision
[173KB: PDF]
IR News
2025.11.10
Historical Data(FY2023-FY2025)
IR News
2025.11.10
Summary of Consolidated Financial Results for the cumulative Second Quarter (Semi-annual Term) Ended September 30, 2025 Based on Japanese GAAP
[717KB: PDF]
IR News
2025.11.10
Supplemental Document April -September period of the Fiscal Year ending March 31, 2026
[1972KB: PDF]
IR News
2025.10.21
Convocation Notice of an Extraordinary General Meeting of Shareholders
[243KB: PDF]
IR News
2025.10.14
Notice Regarding the Cancellation of Treasury Shares
[110KB: PDF]
IR News
2025.10.14
Convening an Extraordinary General Meeting of Shareholders for Share Consolidation, Abolition of the Trading Share Unit
[263KB: PDF]
IR News
2025.10.02
Notice Regarding the Credit Rating Upgrade
[164KB: PDF]
IR News
2025.09.30
Notice Concerning Change of a Representative Director (Resignation) and Resignation of Directors
[144KB: PDF]
General News
IR News
Technical News
movie
Career recruitment information for offshore wind section.
Toyo Construction Group’s
Sustainability.
Latest
Integrated Report
Projects
Civil Engineering Works
Building Construction Works
Overseas Works
Civil Engineering Works
Dredging of Nagaragawa River Mouth Barrage
Building Construction Works
Soka Gakkai Tsuchiura Culture Hall
Building Construction Works
Motegi Junior High School
Overseas Works
Infrastructure Development, Expansion of Yangon Port in Thilawa Area
Overseas Works
The Project for Improvement of Aurora Memorial Hospital
Building Construction Works
Senko Semboku PD Center
Building Construction Works
Toyama Labor Office
Building Construction Works
Fukui Public Employment Security Office
Overseas Works
Metro Cebu Development, Cebu South Reclamation
Building Construction Works
Takatsuki Fire Department Headquater Office
Technologies and Solutions
Civil Engineering Technology
Offshore Wind
Architectural Technologies
Environmental Technologies
Technical Research Institute
Technologies and Solutions-Technical Research Centers
Toyo Drum Centrifuge for Tsunami, Soil, and Structure (T-DUCTUSS)
Construction Technologies Using Work Ships
Mechanical Sheet Laying Construction Method
Water Environments
Three-Dimentional Predictive Program for the Water Environment of the Estuary Bay: WESTech-3D
Treatment of Harmful Sediments
High Concentration Pneumatic Ooze Pumping System
Tsunami/Storm Surge Measures
Toyo Tsunami Risk Management System: TECS-TRM
Construction Technologies Using Work Ships
Barge Loading Reflux Pump-Type Dredging Construction Method
Port and Harbor/Offshore/Coastal Structures
Concrete Filling Detection System: Jutenda
Technologies and Solutions-Offshore-Wind
Suction Bucket Foundation
Treatment of Harmful Sediments
In-Pipeline Mixing Solidification Method for Soft Dredged Mud: LMP (LAMP) Construction Method
Materials Research Facilities
Material Experiment Equipment and Testing Equipment
TOYO HISTORY
First Period
From the founding of the Company to the end of the Second World War
Second Period
From the end of WWII to 1965
Third Period
1965-1975
Fourth Period
1975-1984
Fifth Period
1985-1998
Sixth Period
1998 to the present
Read more
Language
日本語
ENGLISH
Search