Company Profile

代表取締役社長 安田 京一

Aiming for Yasuda Engineering
that contributes to the world’s
underground infrastructure

President & Representative DirectorKyoichi Yasuda

We would like to express our sincere gratitude to all of you for your continued patronage of Yasuda Engineering.

Since our founding in 1975, we have developed as a company specializing in public sewerage work, and have continued to make steady progress as a general construction industry including general civil engineering work and building work.

The pie jacking method, which is also one of our specialty fields, uses our own machines to construct large to medium diameters to small diameters, and with “strict adherence to delivery and construction schedules” as our action guideline, we constantly introduce new technologies and new construction methods nationwide and all over the country. We were able to expand our market share overseas.
In 2001, we acquired the ISO9000 series certification, which is an international standardization organization, and the certification is still being renewed.
We would like to express our sincere gratitude to all of our executives and employees for their continued support, our business partners who supported us even in times of difficulty, and our cooperating companies.

In order to fulfill the mission of the construction industry, “We strive to quality and drive down cost, provide excellent structures that earn the trust of our customers, and contribute to society with trust and technology,” sound management and technology day and night. We strive to improve our strength and provide quality and cost that satisfy our customers.

In recent years, society has undergone major changes at unprecedented speed and scale.
The outlook for the economy is likely to be unpredictable due to continued severe conditions such as soaring resource prices, fluctuations in stock prices, unstable exchange rates, and deterioration of corporate profits.
By listening to this horn, we will thoroughly implement the origin and basics of “manufacturing”, continue to maintain “a commitment to quality and accuracy”, and improve the underground infrastructure of Southeast Asian countries where the environment is significantly deteriorating with Japanese technology.

From Asia to the world! We will create the future of the world and take on the challenge of smiling children with even greater efforts.

We sincerely ask for your continued guidance and encouragement.

President & Representative Director
Kyoichi Yasuda


    We will hone our technology
    with rich sensibility and
    live up to the trust of our customers.

    Evaluate from a fair
    perspective and enhance
    the vitality of the company.

Company Profile

Corporate name Yasuda Engineering Co., Ltd
Head office 3-2-26, Shiokusa, Naniwa-ku, Osaka, 556-0024 Japan
TEL (06)6561-5788 (Main phone number)
Start of business July 1975
Capital fund 300 million Yen
Description of business Main business items
  1. General construction
  2. Pipe jacking construction
  3. Planning, design, surveying, construction, management, contracting and consulting services related to the general construction
  4. Buying and selling, exchanging, leasing, brokering and managing real estate
  5. Manufacture, sale and rental of construction machinery and equipment
  6. Geological survey
  7. Business related to non-life insurance agency business and life insurance solicitation
Business registration Construction industry permit Minister of Land, Infrastructure, Transport and Tourism permit (Special-3) No. 16928
Registered as a real estate agent Governor of Osaka Prefecture (1) No.55647
Quality management Applicable standard : ISO 9001: 2015
Certification number : QMJ: 0161
Number of employees 125 employees (as of March 31, 2017)
Board member Representative Director Kyoichi Yasuda
Executive Adviser Shigeru Taira
Executive Adviser Tomoshige Yasuda
Executive Managing Director Yoshiteru Yasuda
Executive Managing Director Kazunari Yasuda
Executive Director Takeshi Yasuda
Director Noboru Yasuda
Licensed person First-class civil construction management engineer 40 people
Second-class civil construction management engineer 11 people
First-class architectural construction management engineer 2 people
Second-class architectural construction management engineer 3 people
First-class architect 1 people
Second-class architect 1 people
Supervising engineer 41 people
Pipe jacking construction engineer 36 people
Qualified surveyor 3 people
Sewerage pipe rehabilitation management engineer 8 people
Dynamic range professional engineer 6 people
Residential land and building trader 2 people
First-class construction industry Accountant 2 people
Second-class construction industry Accounting clerk 3 people

Corporate development

July 1975 Founded Yasuda Construction in Higashi-Osaka City, Osaka Prefecture
January 1993 Changed company name to Yasuda Engineering Co., Ltd.
July 1995 Established Kanto branch
July 2001 Obtained ISO9002 certification
August 2003 Transition to ISO9001: 2000 standard
July 2005 Established Kyushu Sales Office
August 2006 Established Sakai Sales Office, Daito Sales Office, Iwade Sales Office, and Kobe Sales Office
Development of Jyat method (CCD camera surveying, small diameter, long distance, curve pipe jacking method)
September 2006 Development of electromagnetic induction surveying device
February 2007 Established Shiga Sales Office
May 2007 Development of GPS electromagnetic induction surveying device
September 2007 Established Nagoya Sales Office
June 2008 Head office moved to Naniwa-ward, Osaka
June 2009 Transition to ISO9001: 2008 standard
April 2011 Development of magnetic exploration system
May 2011 Development of metal cutting system
October 2011 Development of Milling mall method (High-density slurry type pipe jacking method with compatible type for underground obstruction)
August 2012 Received No-dig Award, the world’s best tunnel technology award for Milling mall method
March 2014 Milling Mall method registered in NETIS (New Technology Information System) Registration number KK-130054-A
June 2016 Established Vietnam corporation