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.
Lines of Business
Organization Chart(International General Headquarters)
Organization Chart(Head Office)
Overseas Network
Directors and Officers
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
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