Corporate Overview

We will work to improve our technological capabilities and develop new technologies to meet the expectations of society by conducting high-quality, economically superior construction work.

Corporate Philosophy and Management Policies

As a road sign indicating the way to proceed at any time, our "corporate philosophy and three management policies" are shared and steadily implemented by all of the company's officers and staff.

Top Message

Message from Takeshi Hayakawa President and Representative Director.

Occupational Safety, Health, Environment, and Quality Policy

We aim to create a construction industry that is trusted by society and satisfies our customers.

Overview Outline

Lines of Business

Organization Chart
(International General Headquarters)

Organization Chart
(Head Office)

Overseas Network

Directors and Officers

Company Introduction

Corporate Message

We have formulated a corporate message.

Timeline

Introduce the history of TOA CORPORATION in timeline

Corporate Profile

Introducing TOA's global achievements

History of TOA ～From 1908 to 2008～

100th Anniversary Archive

Introduce the history of TOA CORPORATION in 3 parts. ”History of TOA” is published at the time of 100th anniversary