TAISEI CORPORATION ORGANIZATION CHART（AS OF JULY 1, 2024）※Secretarial Dept.

Engineering Div.

Engineering Planning & Administration Dept.

Auditing Dept.

Project Management Dept.

New Business Planning Department

Strategic Engineering Dept.

Corporate Culture ReformFacilitation Department
Corporate Planning Office

Building Construction Solution Dept.
Corporate Planning Dept.

Engineering Department Ⅰ

Organization & Governance Management Dept.
Corporate Communication Dept.

Engineering Department Ⅱ

Digital Transformation Strategy Planning Dept.

Engineering Department Ⅲ

Information Planning Dept.

Engineering Department Ⅳ

Quality Control Div.

Building Construction Quality Control Dept.

Business Administration Div.

Human Resources Dept.
General Affairs Dept.

Engineering Department Ⅴ
Engineering Department Ⅵ
Architecture＆Engineering Div.(Integrated)
Digital Transformation Facilitation Dept.

Legal Dept.
Accounting Dept.
Finance Dept.
Safety Administration Div.

Building Construction Div.

Planning & Strategy Dept.
Building Construction Dept.

Safety Administration Dept.

Estimation Dept.

Subcontractor Relations Dept.

Project Management Dept.

Environmental Administration Dept.

Digital Product Center
Construction Sitework Promotion Center

Sustainability Div. (Integrated)
Sustainability Management
Promotion Div.

Productivity Innovation Dept.

Technology Control Dept.
Sustainability Planning Dept.

Fundamental Technology Cooperative Learning Dept.

Environmental Management Planning & Promotion Dept.

Administration Dept.

Regional Cooperation Business Promotion Dept.
Carbon Neutral Promotion Dept.

Building Renovation Div.

Building Renovation Promotion Dept.
Building Renovation Dept.

Clean Energy & Environment
Business Promotion Div.

Planning & Promotion Dept.
Renewable Energy Development Dept.

Mechanical & Electrical Div.

Mechanical & Electrical Dept.

ZEB & Smart Community Dept.
Carbon Neutral Technology Business Promotion Dept.
Natural Symbiosis Engineering Dept.

Design Div.

Operations Planning Dept.
Strategic Design Dept.

Material Recycling Technology Dept.
Taisei Advanced Centerof Technology

Mechanical & Electrical Construction Control Dept.

Administration Dept.
Design & Project Management Dept.

Technology Planning Dept.

Architectural Design Depts.

Innovation Strategy Dept.

Structural Engineering Depts.

Intellectual Property Dept.

Structural Planning Dept.

Urban Engineering Research Dept.

M&E Engineering Depts.

Infrastructure Technology Research Dept.

M&E Planning Dept.

Advanced Technology Development Dept.

Advanced Design Dept.

Production Engineering Technology Dept.

Specialized Design Dept.
Design Quality Management Dept.

Nuclear Facilities Div.

President

Planning Dept.

Digital Detail Design Dept.

Structural Engineering Dept.

Construction Administration Dept.

Advanced Analysis Technology Dept.

International Projects Dept.

Civil Engineering Dept.

Nuclear Facilities Dept.

Project Planning Dept.
Civil Engineering Div.
Marketing & Sales Div.(Integrated)
Marketing & Sales Promotion/
Proposal & Solution Div.

Planning Dept.
Civil Engineering Dept.

Marketing & Sales Promotion Dept.

Administration Dept.

Planning & Business Promotion Dept.

Construction Engineering Dept.

Customer Information & Work Order Analysis Dept.

Machinery Dept.

Real Estate Information Dept.

Design Dept.

O&M Business Promotion Dept.

Estimate Dept.

Customer Satisfaction Dept.

Project Analysis & Information Dept.

Projects Information Analysis & Strategy Dept.

Offshore Wind Power Project Dept.

Project Solutions Dept.

International Projects Management Dept.

Business Design & Master Plan Consulting Dept.

Construction Sitework Promotion CenterCommunity Design Project Promotion Dept.
Procurement Div.
Marketing & Sales(Building Construction) Div.Ⅰ

Marketing & Sales(Building Construction) Div.Ⅲ

Marketing & Sales Depts.

Marketing & Sales(West Japan) Div.

Procurement Dept.Ⅱ
Procurement Dept.Ⅲ

Marketing & Sales Depts.

Marketing & Sales(Civil Engineering)Div.

Procurement Dept.Ⅰ

Marketing & Sales Depts.

Marketing & Sales(Building Construction) Div.Ⅱ

Medical &Pharmaceutical Business Div.

Coordination & Analysis Dept.

Planning & Administration Dept.

Marketing & Sales Depts.
Marketing & Planning Dept.
Marketing & Sales Depts.
Strategy Promotion Dept.

InternationalOperations Headquarters

International Business Strategy Dept.
Administration Dept.
Safety Administration & Environmental Dept.

Planning & Administration Dept.

Marketing & Business Development Dept.
(Building Construction)

Marketing & Sales Depts.

Marketing & Business Development Dept.
(Civil Engineering)

Sales Mindset/Skills Training Dept.

International Development Business Dept.
Building Construction & Engineering Dept.
Urban Development Div.

Project Development Dept.Ⅰ
Project Development Dept.Ⅱ
PPP Projects Dept.
Urban Redevelopment Dept.Ⅰ
Urban Redevelopment Dept.ⅡDevelopment Business Dept.
Development Business Dept.(International)
Property Management Business Dept.
New Business Development Department※Audit & Supervisory Board Member

Civil Engineering Dept.

Administration Dept.

Audit & Supervisory Board Members' Dept.

BranchAdministration Dept.
Safety Administration & Environmental Dept.
Marketing & Sales Depts.
Building Construction Dept.
Design Dept．
Civil Engineering Dept.