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1793
OHMOTO GUMI CO.,LTD.
2026-08-06
Introduction of performance-based and restricted stock compensation
2026-08-05
Rising Material Prices and Labor Costs
2026-08-05
Fluctuations in Interest Rates and Equity Markets
2026-08-05
Maintaining Stable Dividends and Retained Earnings
2026-08-05
First-quarter decline in net sales and increase in profit
2026-08-05
Uncertainty over the outlook due to the slowdown in emerging-market economies, the UK's exit from the EU, and a sharp appreciation of the yen
2026-08-05
Recovery in public investment and private capital investment
2026-08-05
Building Business Revenue Decline and Profit Increase, and Civil Engineering Business Revenue and Profit Growth
2026-08-05
Increase in Orders Received and Buildup of Carried-Over Construction Contract Value
2026-08-05
Long-Term Vision 2036 and Medium-Term Management Plan (Fiscal Years 2024–2026)
2026-07-13
Shareholder returns through share repurchases
2026-07-13
Policy of limiting directors’ remuneration to fixed basic remuneration only
2026-06-24
Rigorous Implementation of Quality Control, Safety Management and Compliance
2026-06-24
Enhancing Overall Capabilities and Building a Stable Earnings Base
2026-06-24
Strengthening Technical, Proposal and Sales Capabilities
2026-06-24
Focus on talent development
2026-06-24
Shortage of Skilled Workers
2026-06-24
Contributing to People’s Safe, Secure and Fulfilling Lives
2026-06-24
Serious Accidents and Large-Scale Disasters During Construction
2026-06-24
Strengthening Financial Condition, Competitiveness, and Efficiency Through Retained Earnings
2026-06-24
Oversight and Auditing by Outside Directors and Outside Audit & Supervisory Board Members
2026-06-24
Establishment of Internal Control, Internal Reporting and Compliance Frameworks
2026-06-24
Company-wide and Group-wide Risk Management Framework
2026-06-24
Cross-Shareholdings Held to Maintain and Strengthen Business Relationships
2026-06-24
Concentration of Revenue from Completed Construction Projects Among Certain Customers
2026-06-24
Declines in Assets and Liabilities and Increase in Net Assets
2026-06-24
Deterioration in Operating Cash Flow and Decrease in Cash and Cash Equivalents
2026-06-24
Improvement in Equity Ratio, Ordinary Profit Margin on Sales and Earnings per Share
2026-06-24
Productivity Improvement through i-Construction Initiatives and the Use of 3D Models
2026-06-24
Operational Audits and Internal Control Evaluations by the Internal Audit Office
2026-06-24
Accelerating Decision-Making and Strengthening Oversight through an Executive Officer System
2026-06-24
Change in the Full-Time Audit & Supervisory Board Member
2026-06-24
Proper Management of Working Hours and Productivity Improvement Through Work-Style Reform
2026-06-24
Development of an Integrated Management System for Pneumatic Caisson Construction
2026-06-24
Loan Commitment Agreements with 9 Financial Institutions
2026-06-24
Joint Research on Architectural Technology at the Joint Research Forum
2026-06-24
Development of Technology to Improve the Safety of the Pneumatic Caisson Method
2026-06-24
Increase in provision for construction losses
2026-06-24
Advancing ESG Management
2026-06-24
Reducing Environmental Impact through CO2 Reduction, Renewable Energy and Renovation Technologies
2026-06-24
Achieving Zero Legal Violations and Serious Accidents
2026-06-24
Development of Autonomous Construction Using Foundational Excavator-Control Data and Simulators
2026-06-24
Application of the Accounting Standards for Revenue Recognition, etc., and Changes to the Method of Recognizing Construction Revenue
2026-06-24
Climate Change Risk Analysis and Disclosure Based on TCFD and Other Frameworks
2026-06-24
Human Capital Management, Employee Engagement and Talent Development
2026-06-24
Targets for the Percentage of Women in Management and Male Employees Taking Childcare Leave
2026-06-24
Risk of Unauthorized Access to and Leakage of Information Assets, etc.
2026-06-24
Development of a Remotely Operated Plate Load Testing System
2026-06-24
Practical Implementation of Architectural Design BIM and Construction BIM
2026-06-24
ESOP Trust for Employee Share Grants
2026-06-24
Concentration of Shareholdings by Major Shareholders
2026-06-24
Reducing the Gender Pay Gap and Recruiting Women for Career-Track Positions
2026-06-24
Shareholder Benefits Through the Premium Benefits Club
2026-06-24
Enhancing the Transparency of Nomination and Compensation Processes through the Nomination and Compensation Committee
2026-06-24
Board Effectiveness Evaluation
2026-06-24
Trend toward economic recovery driven by inbound demand and other factors
2026-06-24
Automation and Autonomous Operation Technology for Spoil-Removal Equipment
2026-06-24
Equipment for Small Pneumatic Caissons
2026-06-24
Multi-Site Construction through Long-Distance Remote Operation
2026-05-29
Contraction of Japan's Construction Market
2026-04-24
Research and Development and Joint Research to Meet Diversifying Needs
2025-11-12
Counterparty Credit Risk
2025-11-12
Assumptions for Retirement Benefit Obligations and Changes in Pension Assets
2025-11-12
Liability for Defects in Construction Work
2025-11-12
Amendments, Repeal and Enactment of Laws and Regulations, and Litigation
2025-11-12
A business portfolio centered on the construction and civil engineering businesses
2025-11-12
Non-preparation of quarterly consolidated financial statements due to the immateriality of subsidiaries, etc.
2025-11-12
Segment Revenue Disclosure by Private-Sector and Government Customers
2025-06-25
Ultra-Deep Construction Technology for the Pneumatic Caisson Method
2025-06-25
Smart Seismic Control System and Seismic Retrofit Technology
2025-06-25
Enduring growth through a sound construction business and contribution to society, shareholders and employees
2025-06-25
Patent Registrations and Applications
2025-06-25
Framework for Excluding Antisocial Forces
2025-06-25
Capital investment in machinery and equipment for pneumatic caisson construction
2025-06-25
Operating Performance Targets and Achievement Status for the Fiscal Year Ending March 2018
2025-06-25
Post-Installed Anchor “Disk Shear Key”: Broader Applications and Joint Development
2025-06-25
Full Implementation of the Corporate Governance Code’s Basic Principles
2025-06-25
Workforce profile: 812 employees and average length of service of 21.8 years
2025-06-25
Disposal of Property, Plant and Equipment and Recognition of Extraordinary Gains and Losses
2025-06-25
Dual-base structure at the Tokyo Head Office and Okayama Main Office and BCP operations
2025-06-25
Improving Share Liquidity and Expanding the Investor Base Through a Stock Split
2025-06-25
Framework for advancing sustainability initiatives through the Sustainability Committee and subcommittees
2024-06-27
Restrictions on Economic Activity Due to COVID-19 and Uncertainty in the Construction Industry
2024-06-27
Accounting assumptions concerning the timing of the end of the COVID-19 pandemic
2024-06-27
Medium-term Management Plans and Numerical Targets from FY2021 to FY2023
2024-06-27
Expansion of the Urban Architecture Business
2024-06-27
COVID-19 Response Through IT Infrastructure, Flexible Work Arrangements and Supply Chain Information Sharing
2024-06-27
3D scanning technology using SLAM and other methods for remotely operated hydraulic excavators
2024-06-27
Appointment and Resignation of Outside Corporate Auditors
2022-02-10
Application of the Accounting Standard for Fair Value Measurement and Related Standards
2021-06-30
Continuous Strengthening of the Private-Sector Construction Business
2021-06-30
Securing a stable volume of public-sector construction contracts
2021-06-30
Development of an AI-Based Tunnel Face Evaluation System
2019-06-28
Participation in a NEDO-commissioned joint research project
2019-06-28
Adoption of the Revised Accounting Standard for Tax Effect Accounting and Changes in Presentation
2019-02-08
Share Consolidation and Changes to the Trading Unit
2017-06-30
Strengthening Tokyo Metropolitan Area Capabilities through the New Tokyo Head Office Building
2017-06-30
Strengthening Collaboration with Subcontractors and Developing New Ones
2017-02-13
Change in depreciation method for building fixtures and structures
1798
MORIYA CORPORATION
2026-09-15
Enhancing corporate value and aligning interests with shareholders through restricted stock compensation
2026-08-07
Establishing sustainable business earning power unaffected by market conditions
2026-08-07
Improving the Consolidated Operating Margin and Construction Project Profitability
2026-08-07
Expansion of the real estate development and environmental business segments
2026-08-07
Strengthening the Financial Base and Financial Soundness
1799
DAIICHI KENSETSU CORPORATION
2026-08-04
Sale of Real Estate Held for Sale and Acquisition of Rental Real Estate
2026-08-04
Decline in Orders, Sales and Profit in the Construction Business
2026-08-04
Year-on-Year Declines in Revenue, Operating Income, Ordinary Income and Net Income for the Quarter
2026-08-04
No quarterly statement of cash flows prepared for the nine-month period
2026-08-04
Increase in depreciation expense for the nine-month period ended the third quarter
1801
TAISEI CORPORATION
2026-10-23
Restoring Public Trust
2026-10-23
Ensuring Compliance
2026-10-23
Indictment for antitrust violations involving Chuo Shinkansen construction
2026-10-17
Participation in the CCS Business Initiative
2026-09-16
War-time forced labor compensation lawsuit brought by families of former Chinese workers
1802
OBAYASHI CORPORATION
2026-10-22
Diversifying the Revenue Base by Making New-Domain Businesses the Fourth Pillar
2026-10-22
Group Management Leveraging Technical and Financial Strength
2026-10-22
ニュージーランド太陽光発電事業への参入・拡大
2026-09-18
Risks of Defects in Completed Construction Work and Serious Accidents
2026-08-07
Performance-linked stock compensation plan
First page
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2026-08-07
Risk of lower orders due to an economic downturn and declining public investment
2026-08-07
Risk of Intensifying Competition and Declining Contract Prices
2026-08-07
Risk of Rising Construction Material Prices and Labor Costs
2026-08-07
Aging and Chronic Shortages of Skilled Construction Workers and Engineers
2026-08-07
Securing Financial Stability and Growth Investment Through Retained Earnings
2026-08-07
Profit Growth Through Improved Project Profitability
2026-08-07
Instability in the International Situation and Geopolitical Risks
2026-06-18
Management of Project Order-Taking, Contracting and Construction Risks and Project Profitability
2026-06-18
Enhancing Corporate Value Through Improved Asset and Capital Efficiency
2026-06-18
Review of the Order Acquisition Strategy and Selective Concentration of Management Resources
2026-06-18
Strengthening and Ensuring Thorough Compliance
2026-06-18
Swift management decision-making and fair, transparent management oversight
2026-06-18
Management Framework for Preventing Order Intake, Contracting and Construction Risks
2026-06-18
Business Continuity Framework in the Event of a Disaster
2026-06-18
Research and Commercialization of Geothermal Energy Technology
2026-06-18
Risk of delays or defaults in collecting construction payments due to deterioration in the client's creditworthiness
2026-06-18
Construction Defect and Compensation Liability Risk
2026-06-18
Risk of Changes to Construction-Related Laws and Regulations
2026-06-18
Risk of securing highly qualified professionals and engineers
2026-06-18
Construction Site Accident and Disaster Risk
2026-06-18
Appropriate and Stable Shareholder Returns
2026-06-18
Management Policy: Becoming a Good Company
2026-06-18
Enhancing Corporate Strength
2026-06-18
Improving Employee Well-Being
2026-06-18
Improving Each Employee’s Capabilities
2026-06-18
Measures to Address Work-Style Reform and Reduce Overtime Work
2026-06-18
Enhancement and improvement of overall technical capabilities and internal training
2026-06-18
Profit Growth Through Stronger Purchasing Power
2026-06-18
Risk Hedging Through Early Procurement of Materials and Labor and Information Sharing with Business Partners
2026-06-18
Preventing Construction-Site Accidents and Incidents Through Safety Training and Hazard Prediction Activities
2026-06-18
Lowering financing costs by reducing trade receivables
2026-06-18
Company-wide rollout of SDG initiatives
2026-06-18
Targets for the Number of Ground-Source Heat Pump System Orders and the ZEB Design Ratio
2026-06-18
Targets for Increasing the Percentage of Female Managers and Male Employees Taking Childcare Leave
2026-06-18
Information leakage, talent shortages and non-adoption risks associated with DX initiatives
2026-06-18
Workforce diversification through the recruitment and promotion of women, foreign nationals, and mid-career hires
2026-06-18
Risk of losses on construction contracts
2026-06-18
Planned Adoption of the Lease Accounting Standard in 2028
2026-06-18
Outlook for Revenue Recognition of Remaining Performance Obligations
2026-06-18
Disclosure and Explanation of the Gender Pay Gap
2026-06-18
Medium-Term Management Plan 2026 (Branding Strategy Based on a Return to Our Roots)
2026-06-18
Expanding the Investor Base and Improving Share Liquidity Through a Stock Split
2026-06-18
Planned Adoption of the Accounting Standard for Subsequent Events in 2028
2026-05-12
Expanding orders in the Tokyo metropolitan area
2026-05-12
Governance and Risk Management for Sustainability Issues
2025-11-10
Flexible capital policy through share repurchases
2025-06-23
Long-term continuity based on honest work
2025-06-23
Risk of price declines and impairment losses for owned real estate and other assets
2025-06-23
Contribution to Local Communities
2025-06-23
Severing ties with antisocial forces
2025-06-23
Quality and Environmental Management Certifications and Audits
2025-06-23
Shareholdings held to maintain and strengthen business relationships
2025-06-23
Risk of prolonged COVID-19 and further spread of infectious disease
2023-06-26
Responses to COVID-19 in Work Arrangements and Business Operations
2023-02-06
Application of Fair Value Measurement Accounting Standards and Related Standards
2022-06-27
Application of the Revenue Recognition Accounting Standards, etc.
2022-06-27
Redevelopment of the head office, branch offices, company housing and other facilities
2022-02-07
Improving the Performance and Financial Condition of Consolidated Subsidiaries
2022-02-07
Financial Risks Relating to a Subsidiary with Negative Net Worth
2021-06-21
Strengthening Sales Capabilities
2020-06-22
Acquisition of Civil Engineering Business
2019-06-24
Strengthening corporate capabilities to meet social demand for national infrastructure development
2019-06-24
Full-Scale Operation of the Career Advancement System
2017-11-07
Share Consolidation Accompanying the Standardization of the Trading Unit at 100 Shares
2026-08-04
Change in Statutory Effective Tax Rate Due to the Special Corporate Tax for Defense
2026-07-15
Introduction of a restricted stock compensation plan
2026-06-25
Concentration of Sales and Receivables from East Japan Railway Company
2026-06-25
Emphasis on returning profits through continued stable dividends
2026-06-25
Appointment of the chair and change in representative president
2026-06-25
Strengthening Oversight Functions by Transitioning to a Company with an Audit and Supervisory Committee
2026-06-24
Coexistence with Nature and Contributions to Local Communities, Commitment to Compliance and CSR
2026-06-24
Research and Development of Methods for Seismic Reinforcement of Bridge Piers and Inspection and Repair of Overhead Structures
2026-06-24
Developing Next-Generation Talent and Broad-Based Human Resources Development
2026-06-24
Planned renewal and expansion of large track maintenance machinery
2026-06-24
Chronic Labor Shortages and Difficulty Securing Personnel
2026-06-24
Declining profitability due to higher raw material prices and labor costs
2026-06-24
Cash Flow Management to Maintain Liquidity on Hand at At Least One Month of Sales
2026-06-24
Strengthening Audit Objectivity and Management Oversight through Collaboration between Outside Officers and Audit Functions
2026-06-24
Operating cash inflows driven by collection of receivables
2026-06-24
Management of Subsidiaries through Affiliated-Company Management Rules, Liaison Meetings and Operational Audits
2026-06-24
Achieving Fiscal 2020 Targets Under the Medium-Term Management Plan D-VISION2020
2026-06-24
FY2020 Revenue of ¥52 Billion and Operating Profit of ¥6 Billion
2026-06-24
Total Payout Ratio of 25% or More
2026-06-24
Recording a Provision for Bonuses Following Changes to the Personnel System
2026-06-24
Increase in selling, general and administrative expenses due to higher research and development and advertising expenses
2026-06-24
Decrease in Liabilities Due to Decreases in Notes Payable, Construction Accounts Payable, and Income Taxes Payable
2026-06-24
Increase in net assets due to higher retained earnings
2026-06-24
Decrease in Total Assets Due to Collection of Construction Proceeds, among Other Factors
2026-06-24
Increase in Cash and Deposits, and Materials and Supplies
2026-06-24
Decrease in Valuation Difference on Available-for-Sale Securities Due to Decline in Market Value of Listed Securities
2026-06-24
Recognition of impairment losses on investment securities
2026-06-24
Breakdown of Construction Business Net Sales by Civil Engineering and Building Construction
2026-06-24
Ensuring objectivity and transparency in director nominations and compensation decisions through the establishment of nomination and compensation committees
2026-06-24
Timing of Revenue Recognition for ¥21 Billion in Unfulfilled Performance Obligations
2026-06-24
Investment in the construction of rental apartments
2026-06-24
D-Vision2025 Investment Plan: Allocation of ¥30 Billion in Operating Cash Flow
2026-06-24
Improving asset profitability with a target ROA of 5.0%
2026-06-24
ESG Management, Materiality Identification, and Issue Resolution through Promotion Committees and Other Bodies
2026-06-24
30% Reduction in CO2 Emissions by FY2030; Net Zero by FY2050
2026-06-24
Electronic manifest issuance rate of 90% and recycling rate of 96% in fiscal 2030
2026-06-24
Promoting Health Management and Improving Health Indicators
2026-06-24
Operational Reform Led by the Workstyle Reform Promotion Council, Its Subcommittees and Working Groups
2026-06-24
Targets for female recruitment, parental leave uptake, and the average duration of parental leave
2026-06-24
Changes in Directors’ and Executive Officers’ Positions
2026-06-24
Annual dividend payout ratio of 50.0% or higher
2026-06-24
Disclosure of Female Workforce Ratio and Gender Pay Gaps
2026-06-24
Recognition of a ¥463.790 million Provision for Loss on Construction Contracts
2026-06-24
East Japan Railway Company’s 20.55% Shareholding
2026-06-24
Response to Digitalisation and AI Technologies through the DX and AI Promotion Committee
2026-06-24
Shareholder Returns Targeting a DOE of 3.5% or Higher
2026-06-24
Employee Compensation System Reflecting Job Duties, Skills and Achievements, and Investment in Human Capital
2026-06-24
Planned adoption of accounting standards for subsequent events in the fiscal year ending March 2028
2026-05-14
Four Transformation and Growth Strategies through Enhanced Dynamic Capabilities
2026-05-13
Impairment loss of ¥1,437 thousand recorded
2026-05-13
Management Conscious of the Cost of Equity and Share Price
2025-11-14
Risk of fluctuations in order intake and business performance due to declining public-sector and private-sector construction investment
2025-11-14
Impact of Serious Construction Accidents on Customer Confidence and Business Performance
2025-11-14
Impact on Business Performance from Serious Defects in Construction Work
2025-11-14
Changes in Legal Regulations Concerning Construction, Occupational Safety, Antitrust and Other Matters
2025-11-14
Damage to Public Trust and Confidence Caused by Legal and Regulatory Violations
2025-11-14
Risk of bad debt losses and construction delays due to the bankruptcy or other events involving business partners and cooperating companies
2025-11-14
No quarterly consolidated financial statements prepared because the subsidiary is immaterial
2025-11-14
No Material Changes in Business Activities or Major Affiliates
2025-11-14
No material contracts decided on or entered into during the third-quarter accounting period
2025-11-14
The real estate business does not conduct research and development activities.
2025-11-14
Improving Capital Efficiency and Enhancing Shareholder Returns through Share Buybacks
2025-11-14
Quarterly Review Following Change in Audit Firm Name
2025-11-14
No Material Changes in Issues to Address
2025-11-14
The impact of COVID-19 on business is immaterial
2025-11-14
Recognition of Gain on Sale of Investment Securities
2025-11-14
Revenue volatility risk arising from uncertainty in estimating total construction costs
2025-11-14
Calculating Quarterly Tax Expense Using the Estimated Effective Tax Rate
2025-11-14
Recognition of a provision for estimated losses relating to pending litigation
2025-11-14
No Material Subsequent Events
2025-06-26
Annual review of the rationale for holding cross-shareholdings
2025-06-26
Limitation of Liability Agreements with Outside Directors and Audit & Supervisory Board Members
2025-06-26
100% adoption of biodegradable lubricants for large track maintenance machinery
2025-06-26
Planned Application of the Lease Accounting Standards from the Fiscal Year Ending March 2028
2025-06-26
Changes to the Defined-Benefit Plan and Retirement Lump-Sum Benefit Plan Accompanying the Introduction of a Points-Based System
2025-06-26
Appointment of a Female Director and 9% Female Representation Among Officers
2024-06-27
Build a solid management foundation capable of responding to changes in the environment and become a trusted company that continues to grow and prosper
2024-06-27
A corporate culture that puts safety first and complies with safety rules
2024-06-27
Improving Customer Satisfaction through Planning Proposals and the Provision of Deliverables
2024-06-27
Building a technology-focused group through new technologies and construction methods, product development, and planning and proposal technologies
2024-06-27
Corporate Culture Reform and Strengthening Organizational Problem-Solving Capabilities
2024-06-27
Profit-focused order intake and strict cost control
2024-06-27
Investment of Surplus Funds in Highly Liquid and Secure Financial Products
2024-06-27
Prevention and Remediation of Violations through the Ethics and Compliance Committee, Whistleblowing, and Training
2024-06-27
Prevention and Crisis Response Based on Risk Management Rules and the Crisis Management Committee
2024-06-27
Change in depreciation method for building equipment and structures from the declining-balance method to the straight-line method
2024-06-27
No policy established for determining executive compensation
2024-06-27
Membership in the Financial Accounting Standards Foundation and Participation in Seminars on Changes to Accounting Standards
2024-06-27
Market Environment Monitoring and Portfolio Reviews for Securities
2024-06-27
Scheduled application of accounting standards and other guidance on revenue recognition for the fiscal year ending March 2022
2024-06-27
Policy on Strategic Shareholdings for Maintaining and Strengthening Business Relationships
2024-06-27
Proper Management of Important Documents and Information in Accordance with Internal Rules
2024-06-27
Passing Higher Raw Material Costs Through to Contract Prices and Cost Reduction Through Collaboration with Partner Companies
2024-06-27
Execution of a Directors and Officers Liability Insurance Contract
2024-06-27
Reduction in the Retirement Benefit Provision Through the Establishment of a Retirement Benefit Trust
2024-06-27
Expansion of Strategic Shareholding in East Japan Railway Company Shares
2022-11-09
Large Shareholding Report Filed by FMR LLC Reporting a 5.97% Holding
2022-08-10
Plan to apply the Guidance on Accounting Standards for Fair Value Measurement from the beginning of the fiscal year ending March 2023
2022-08-10
Damage to large track maintenance machinery and other equipment caused by heavy rain in the Tohoku and Hokuriku regions
2022-06-27
Joint Research with Iwate University to Improve the Quality of the Sto Dry Spray Method
2022-06-27
Eliminating Life-Threatening Accidents
2022-06-27
Achieving 4 Weeks, 8 Days Off at Construction Sites
2022-06-27
Commencement of Strategic Shareholding in セコム上信越 Shares
2022-06-27
Application of the Accounting Standard for Fair Value Measurement and Related Standards
2022-06-27
Change in the Method of Measuring Reportable Segment Profit Following the Adoption of the Revenue Recognition Accounting Standard
2022-06-27
Transfer to the Standard Market following the Tokyo Stock Exchange's market-segment review
2020-02-07
Damage to Offices, Large Track Maintenance Machinery and Other Assets Caused by Typhoon No. 19
2019-06-27
Guarantee obligations under earnest-money guarantees for condominium purchasers
2019-06-27
Application of Guidance on the Recoverability of Deferred Tax Assets
2018-06-28
Establishing an Earnings Base with a Target Operating Margin of 7% or More
2026-08-06
Profitability Improvement in the Civil Engineering and Construction Business
2026-08-06
Higher Equity Ratio and Lower Interest-Bearing Debt
2026-08-06
Fluctuations in material prices
2026-08-06
Resilient Trends in Private-Sector and Public Investment
2026-08-06
Gradual Reduction of Cross-Shareholdings
2026-06-30
コミットメントラインによる機動的な資金調達体制の構築
2026-06-24
Long-Term Stable Dividends
2026-06-24
Separation of Management Decision-Making and Business Execution
2026-06-24
Strengthening Board Deliberations and Oversight Functions
2026-06-24
Risk Management and Business Continuity Framework
2026-06-24
Introduction of a Performance-Linked Share Compensation Plan
2026-06-16
Deepening the core construction business
2026-06-16
Advancing Next-Generation Technology Development
2026-06-16
Strengthening the domestic construction business
2026-06-16
Securing the Construction Industry Workforce
2026-06-16
Improving Working Conditions and Productivity
2026-06-16
Promoting Women’s Advancement
2026-06-16
Transforming Workstyles Through ICT
2026-06-16
Enhancing Customer Satisfaction by Ensuring Quality and Safety
2026-06-16
Research and Development through External Alliances
2026-06-16
Next-Generation Unmanned Construction System
2026-06-16
Share Repurchase to Enhance Shareholder Returns and Capital Efficiency
2026-06-16
Speed, Accuracy, Fairness and Transparency in Decision-Making
2026-06-16
Market Contraction and Intensifying Competition
2026-06-16
Asset-Holding Risks Related to Real Estate, Marketable Securities and Other Assets
2026-06-16
Defects in construction works and related services
2026-06-16
First-Quarter Revenue and Earnings Decline
2026-06-16
R&D Expenses for the Nine-Month Period
2026-06-16
Earnings growth driven by improved margins in the development business
2026-06-16
Technologies for Extending Pavement Service Life and Reducing Carbon Emissions
2026-06-16
Narrowing of the Net Cash Outflow from Operating Activities
2026-06-16
Decrease in Cash and Cash Equivalents
2026-06-16
Increase in Outstanding Guarantees
2026-06-16
Management Numerical Targets in the Medium-Term Management Plan (2018-2020)
2026-06-16
Allocation of Management Resources to Focus Areas and Differentiated Technologies
2026-06-16
Uncertainty surrounding the global economy due to US-China trade frictions, etc.
2026-06-16
Cash flows from investing activities shift to a net inflow
2026-06-16
Narrowing of Net Cash Outflow from Financing Activities
2026-06-16
Information Leakage and System Failure Risk
2026-06-16
Labor-Saving Infrastructure Inspections Using Drone Photography and Image Analysis
2026-06-16
PC structure produced using a construction 3D printer
2026-06-16
TAISEI VISION 2030 and CDE³ Company
2026-06-16
Establishment of a Framework to Promote Sustainability Management
2026-06-16
Carbon Neutrality through TAISEI Green Target 2050
2026-06-16
Addressing Climate Change Risks and Opportunities
2026-06-16
Launch of the Employee Engagement Survey
2026-06-16
Risks Related to Human Rights Issues
2026-06-16
Geopolitical risk
2026-06-16
Technology Development for Environmentally Friendly Concrete T-eConcrete
2026-06-16
Demonstration of T-iPower Road wireless charging road technology
2026-06-16
Wooden Building Technology Using the T-WOOD Series
2026-06-16
Medium-Term Management Plan (2024-2026): Profit-Focused Targets and Investment Plan
2026-06-16
Re-identification of Five Materiality Topics and KPI Management
2026-06-16
Nature-Positive Assessment Methodology
2026-06-16
Tender Offer for 東洋建設株式会社 and Making It a Consolidated Subsidiary
2026-06-16
Recognition of goodwill in connection with the acquisition of Toyo Construction
2026-06-16
Corporate Culture Reform and Personnel System Reform
2026-06-16
Advanced Technology Adoption Risk
2026-06-16
M&A-Related Risks
2026-05-25
Risk and Compliance Frameworks at Group Companies
2024-11-08
Significant Decline in Order Intake Performance
2024-11-08
Adoption of the Corporate Income Tax Accounting Standard
2024-06-21
Commercialization of ZEB Technology
2024-06-21
Gain on negative goodwill arising from the acquisition of P.S. Mitsubishi
2024-06-21
Capital and Business Alliance with Heiwa Real Estate and Becoming an Equity-Method Affiliate
2024-06-21
Explosives Charging Device "T-Quick Shot"
2024-06-21
Remote Roller Cutter Replacement System for Shield Tunneling Machines
2024-06-21
Automated Drafting System for Precast Prestressed-Concrete Floor Slabs “PCaSlab-D”
2024-06-21
AI-Based Equipment Noise-Optimization Design System “T-Optimus Noise”
2024-06-21
Multi-Person Disaster Experience Metaverse “T-Meta JINRYU”
2024-06-21
Construction Approval Metaverse “C2QUEST”
2024-06-21
Generative AI-Powered Expert Technical Search System
2024-06-21
High-Performance Coating for Concrete Port Structures “W-MG”
2024-06-21
Urban Development for an Autonomous Driving Society
2024-02-09
Recognition of Settlement Payment
2024-02-09
Tender offer for, and conversion of, P.S. Mitsubishi into a consolidated subsidiary
2023-11-14
Country and Foreign Exchange Risks Associated with Overseas Operations
2023-06-28
Risks from Large-Scale Natural Disasters, etc.
2023-06-28
Proportion of Female Officers
2023-06-28
Medium-Term Management Plan (2021-2023) Final-Year Targets
2023-06-28
Formulation of the next medium-term management plan
2023-06-28
Assessing the Presence of Rare Species Through Environmental DNA Analysis
2023-06-28
Lunar-Surface-Adaptive SLAM Autonomous Driving Technology
2023-06-28
Rainwater Infiltration and Storage Green Infrastructure
2023-06-28
AI Flood Warning System for River Construction Works
2023-06-28
Lightweight Cleanroom System T-Flexible Cleanroom Membrane
2023-02-09
Application of the Accounting Standard for Fair Value Measurement
2023-02-09
Tax-effect accounting following the transition to the group tax-sharing system
2023-02-09
Director's Resignation
2021-11-10
Application of the Accounting Standard for Revenue Recognition and Change in the Method of Recognizing Construction Revenue
2020-06-25
Sound Growth of the Overseas Business
2020-06-25
Evolving the Management Infrastructure
2020-06-25
Contaminated Water Treatment Using Soil Bacteria
2020-06-25
Counterparty Credit Risk
2020-06-25
Recognition of Antimonopoly Act-Related Losses
2020-06-25
Structural Monitoring System “T-iAlert Structure”
2020-06-25
Impairment loss on rental assets in the development business
2020-06-25
Freeze on New Growth Investments During the COVID-19 Pandemic
2020-06-25
Intellectual Property Infringement Risk
2020-06-25
Risk of Inappropriate Financial Reporting
2020-06-25
Antisocial Forces Risk
2020-06-25
Design Defect Risk
2020-06-25
Schedule Delay Risk
2020-06-25
Risk of Violating Environmental Laws and Regulations
2020-06-25
Contract Risk
2020-06-25
Labor environment risks
2020-06-25
Rock-Bolt Construction Method for Large Deformations and Groundwater Inflows: “T-Flexible Bolt”
2020-06-25
High-Strength Shotcrete “T-HPSC 100”
2020-06-25
Large-Scale Timber Space “T-WOOD SPACE” Using CLT Panels
2020-06-25
“T-Jet” Asbestos Removal Method for Confined Spaces
2020-06-25
Carbon-Fiber-Reinforced Resin Vibration-Isolation Floating-Floor System “T-Silent CFRP Floor”
2020-06-25
Technology Center "Open Meeting Space"
2020-06-25
Expansion of the AI- and IoT-enabled O&M business
2019-02-08
Additional Capital Contribution Obligation to a Specific Purpose Company
2018-06-29
Establishing next-generation business models in 5 focus areas
2018-06-29
Performance, Financial and Capital Policy Targets for the Final Year of the Medium-Term Management Plan
2018-06-29
Development and Nationwide Rollout of T-CIM Systems
2018-06-29
T-iAlert Tunnel: Tunnel-Face Rockfall Monitoring System
2018-06-29
Technology for Visualizing Remaining Soil Volume in Pneumatic Caisson Construction
2018-06-29
Technology for Purifying Contaminated Slurry Water Containing Naturally Occurring Arsenic
2018-06-29
Expansion of the scope of application of the Tecorep System
2018-06-29
T-Factory Next: Optimal Indoor Environment Control System for Production Facilities
2018-06-29
Daylight and Light-Blocking Blind “T-Light Blind”
2018-06-29
T-Heats Turf Turf-Growing Environment Simulation System
2018-06-29
Improvement of the “WinBLADE Method” for Confined Spaces
2017-11-13
Change to 100 Shares per Trading Unit and 1-for-5 Share Consolidation
2017-06-30
Strategic Initiatives for Priority Projects
2017-06-30
Proactive Contribution to Social Infrastructure Development
2017-06-30
Strengthening Group Capabilities and Collaborative Synergies
2017-06-30
Uncertainty in the Post-Olympic Market from 2020 Onward
2017-06-30
Use of Foreign Talent
2017-06-30
Groundwater Remediation Using Microorganisms
2017-06-30
Changes in Retirement Benefit Obligations
2017-06-30
Changes in interest rate levels
2017-06-30
Risks Associated with Long-Term Businesses, Including PFI and Leisure
2017-06-30
Legal Regulations Applicable to the Civil Engineering and Construction Businesses
2017-06-30
Occurrence of a Serious Accident
2017-06-30
Reduction of Legal Capital Reserve and Transfer to Other Capital Surplus
2017-06-30
Tunnel Construction Management Using a Belt Conveyor Scanner
2017-06-30
Upward Shield Tunneling Method with In-Tunnel Retrieval
2017-06-30
Dam Rock Extraction Work Management Using T-iBlast DAM
2017-06-30
Wind Noise Simulator for High-Rise Buildings
2017-06-30
Evaluation of floor finishing materials using a floor impact sound testing facility
2017-06-30
Earthquake Countermeasures for High-Rise Residential Buildings Using TASS-Flex FRAME
2017-06-30
Building flood risk assessment using T-Flood Analyzer
2016-06-30
Industry-wide distrust stemming from falsified pile construction data
2016-06-30
Analysis Technology for Liquefaction Countermeasures
2016-06-30
Advance Probing and Groundwater Inflow Control for Mountain Tunnels
2016-06-30
Seismic Retrofitting Technology for Existing Structures
2016-06-30
Development of localized clean technologies
2016-06-30
Labor-saving construction using wearable devices
2016-06-30
Use of retained earnings for next-generation technology development
2026-08-07
Losses on Large-Scale Projects in the Domestic Building Construction Business
2026-08-07
Order Intake Strategy Focused on Profitability and Appropriate Price Pass-Through
2026-08-07
Making U.S. construction company GCON a subsidiary
2026-08-07
Share Delivery Plan for Managers (ESOP Trust)
2026-06-24
Growth Opportunities in Overseas Construction Markets
2026-06-24
Recruitment and development of human resources and productivity improvement
2026-06-24
Raise ROE to around 8% over the medium to long term
2026-06-24
Focus on Growth Markets and High-Value-Added Services
2026-06-24
Labor Saving, Shorter Construction Periods and the Use of BIM and CIM
2026-06-24
Rental Business and Diversification of the Real Estate Portfolio
2026-06-24
Expansion of renewable energy generation beyond solar power
2026-06-24
Securing Revenue Through PPP Projects
2026-06-24
Research and Development of Construction Technologies and External Collaboration
2026-06-24
Management Transparency and Soundness and the Business Execution Framework
2026-06-24
Strengthening Corporate Ethics, Antitrust Compliance and Anti-Bribery Measures
2026-06-24
Risk of Amendments to or Repeal of Construction-Related Laws and Regulations
2026-06-24
Rising Construction Material Prices and Labor Rates, and a Shortage of Skilled Workers
2026-06-24
Price Fluctuations in Held Real Estate, Securities and Other Assets
2026-06-24
Political, Economic, Foreign-Exchange and Legal-System Risks of Overseas Operations
2026-06-24
Overseas Civil Engineering Business Turns to Operating Loss
2026-06-24
Increase in Commercial Paper and Interest-Bearing Debt to Meet Funding Needs
2026-06-24
Total investment of ¥400 billion for fiscal years 2017–2021
2026-06-24
Formulation and Implementation of the Work-Style Reform Action Plan
2026-06-24
Risk of Confidential Information Leaks
2026-06-24
Growth in Revenue and Profit in the Domestic Construction Business
2026-06-24
Decline in Revenue and Profit in the Domestic Civil Engineering Business
2026-06-24
Strengthening Initiatives in the Timber and Wood-Based Construction Market
2026-06-24
Assessing the Economic Rationale for Strategic Shareholdings and Their Sale
2026-06-24
Securing consolidated operating profit of at least ¥100 billion in FY2022 and FY2023
2026-06-24
Recognition of loss on business restructuring
2026-06-24
Obayashi Group Medium-Term Management Plan 2022: "Strengthening the Business Foundation and Implementing Transformation"
2026-06-24
Climate Change Transition Risks and Physical Risks
2026-06-24
Outstanding balance of guarantees for borrowings by UK real estate subsidiary
2026-06-24
Management indicator: medium-term ROIC target of at least 5%
2026-06-24
Achieving Employee Satisfaction of 70% or Higher
2026-06-24
Promoting Health Management
2026-06-24
Respect for Human Rights and Human Rights Due Diligence
2026-06-24
Promoting diversity and inclusion
2026-06-24
Debt Guarantee to Eastland Generation
2026-06-24
Change in Method for Translating Revenues and Expenses of Overseas Subsidiaries and Other Entities
2026-06-24
TNFD Response Regarding Natural Capital and Biodiversity
2026-06-24
Making Multiplex, which operates construction businesses in Australia, the UK and Canada, a wholly owned subsidiary
2026-06-24
Entry into the Indonesian Toll Road Concession Business
2026-06-24
Consolidation of the Data Center Business in a Subsidiary and Agile Business Development
2026-06-24
Adoption of the new lease accounting standard in fiscal 2027
2026-06-18
Expansion of Overseas Construction Business in Australia
2026-05-28
Quality and Safety Management Through the Transfer of Technical and Construction Management Know-How
2026-05-13
Profit returns prioritizing stable dividends
2026-05-13
At the end of fiscal 2021: ¥900 billion in equity capital, a 40% equity ratio and zero net interest-bearing debt
2026-05-13
Making MWH, a U.S. water infrastructure construction company, a subsidiary
2025-11-06
Risk of Slowing Growth and Contraction in the Domestic Construction Market
2025-11-06
Fiscal 2021 net sales of ¥2 trillion and operating profit of ¥150 billion, etc.
2025-11-06
Balancing reductions in total working hours with productivity gains
2025-11-06
Accounting and disclosure for corporate taxes under the global minimum tax regime
2024-11-12
Eastland Generation to Become an Affiliate
2024-11-12
Finalization of Provisional Accounting Treatment for the MWH Business Combination
2024-11-12
Application of Accounting Standards for Income Taxes, etc.
2024-06-28
Advancing ESG Management
2024-06-28
Risk of the spread of COVID-19
2024-06-28
Voluntary forfeiture of executive remuneration following a downward revision to earnings forecasts
2024-06-28
Large-Scale Disaster Risks, Including Earthquakes, Tsunamis, and Wind and Flood Disasters
2024-02-06
Credit risk involving clients, subcontractors and joint-venture partners
2023-02-07
FY2021 Adoption of the Accounting Standards for Revenue Recognition and Fair Value Measurement
2022-08-10
Tax-Effect Accounting Following the Transition to the Group Tax-Sharing System
2022-06-24
Establishment of New Business Models, Including Agriculture
2022-06-24
Long-term business risks associated with PFI, renewable energy and other areas
2022-06-24
Obayashi Corporation Group Medium-Term Management Plan 2017
2022-06-24
Obayashi Sustainability Vision 2050
2022-06-24
Issuance of Sustainability-Linked Bonds
2021-02-09
Antitrust-Related Losses Incurred
2020-06-25
Antitrust Law measures to prevent a recurrence in light of the Linear bidding scandal
2020-06-25
Response to COVID-19
2019-02-14
Collection risk on construction payments for Dubai's urban transport system
2019-02-14
Change in the Presentation Classification of Deferred Tax Assets and Liabilities Following Revisions to the Tax-Effect Accounting Standards
2018-06-27
Obayashi Corporation Group Medium-Term Management Plan 2015 (Evolution 2015)
2018-06-27
Stable operating profit of approximately ¥45 billion
2018-02-14
Tender offer aimed at making Obayashi Road a wholly owned subsidiary
2017-02-14
Change in depreciation method for building fixtures and structures
2016-06-30
Realizing a Safe, Secure and Comfortable Society
2016-06-30
Planned order acquisition for infrastructure development and renewal
2016-06-30
Development and Operation of a BCP for Earthquake Disasters
2016-06-30
Risk Relating to the Recoverability of Deferred Tax Assets