COMPANY
ABOUT
ABOUT
Number of Employees
(Group Total)
65

Established
1967

Annual Sales
(Group Total)
¥2.9B

PROFILE
PROFILE
Company Name | Toshin Industry Co., Ltd. |
Established | July 1967 |
Head Office | 3-12-10 Aoi, Adachi-ku, Tokyo 120-0012, Japan |
Phone | +81-3-3849-5357 |
Fax | +81-3-3849-7957 |
Capital | 30 million yen |
President & CEO | Hirohisa Yamaguchi |
Number of Employees | 65 (as of October 2025, Group Total) |
Main Banks | Tokyo Higashi Shinkin Bank, Ayase Branch Mizuho Bank, Senju Branch |
Partner Companies | HD Group Lifeline Holdings Co., Ltd. Toukyou Construction Co., Ltd. LL Assist Co., Ltd. daqui Co., Ltd. |
PHILOSOPHY
PHILOSOPHY
Creating a Lifeline and Supporting Cultural Life.
Be a reliable company.
To look one step ahead, challenge, and act.

MESSAGE
MESSAGE
Toshin Industrial Co., Ltd. — Supporting Japan’s Infrastructure
Seismic reinforcement of infrastructure is essential for a country like Japan.
And extending the lifespan of infrastructure is vital for daily life.
At Toshin Industrial Co., Ltd., we offer comprehensive, one-stop solutions for infrastructure longevity using a wide range of advanced technologies.
To protect the lifelines essential to everyday life, we are committed to continual technological innovation and actively contribute to society through CSR initiatives such as collaborations with student organizations.
Through the maintenance and management of concrete structures and pipelines, Toshin Kogyo will continue to support the future of Japan.
Hirohisa Yamaguchi
Representative Director
