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
Katabira River Diversion Aqueduct
Building Construction Works
Suga Gakuen Education Hall
Overseas Works
Metro Cebu Development, Cebu South Reclamation
Building Construction Works
Shinkansai Linen Supply New Factory
Civil Engineering Works
Prefectural Road Toyohama-Kamagari Line Toyoshima Bridge
Building Construction Works
Japan Coast Guard Museum Yokohama
Building Construction Works
Kushiro Brake Shimane Daito Factory
Building Construction Works
Hotel No.1 Matsuyama
Overseas Works
PackageⅠ, Urgent Bridges Construction Project for Rural Development
Building Construction Works
Honest Tokarin
Technologies and Solutions
Civil Engineering Technology
Offshore Wind
Architectural Technologies
Environmental Technologies
Technical Research Institute
Technologies and Solutions-Offshore-Wind
Suction Bucket Foundation (Multi-type) Experiments
Offshore and Ocean Development
Deep-Water Rubble Deposition Management System
Liquefaction Prevention Measures
Land Cement Deep Mixing Construction Method: CDM-Land4 Construction Method
Water Environments
Total Purification System for Dioxin-Contaminated Bottom Mud
Treatment of Harmful Sediments
Portable Dredging Method: Castle Method
Treatment of Harmful Sediments
In-Pipeline Mixing Solidification Method for Soft Dredged Mud: LMP (LAMP) Construction Method
Technologies and Solutions-Offshore-Wind
Suction Bucket Foundation
Soil/Ground Environment Research Facilities
Beam Centrifuge
Port and Harbor/Offshore/Coastal Structures
Pile-Supported Wave-Absorbing Breakwater with Low Crown Height: Barrier-Win T
Liquefaction Prevention Measures
Static Densification Pile Construction Method: SDP Construction Method
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