Greetings
Daijin Sangyo Co., Ltd. has been engaged in public civil engineering works for several decades, primarily in the Aso region, focusing on roads, parks, rivers, and bridges, all with the aim of providing comfortable living environments.
Furthermore, our affiliate, Hiyori Giken Co., Ltd., handles ISO certification and industrial waste processing. Additionally, Daijin Automobile Co., Ltd. provides services such as vehicle inspections.
Leveraging this foundation, we are committed to providing our customers with comfortable "homes."
Please do not hesitate to ask even the smallest questions. Feel free to contact us.
Management Philosophy
Improving technical capabilities ultimately leads to customer satisfaction.
To build a high-value-added corporate structure that can continuously pursue profit.
1
For our employees, for their families, and ultimately for the local community, we are dedicated to building a sustainable enterprise.
2
Our employees are our greatest asset.
・Be open-minded
・Spare no effort towards goals
・Never forget gratitude
3
Demonstrate strong leadership and drive regional development.
Continuously challenge ourselves in all endeavors.
Quality Policy
We provide the construction desired by our customers using our company's expertise, and continuously strive for improvement to enhance customer satisfaction and gain trust.
Company
Company Name
Daijin Sangyo Co., Ltd.
Representative
Asami Sato
Address
〒869-2401
Address : 3556-4 Akababa, Minamioguni-machi, Aso-gun, Kumamoto Prefecture
TEL: 0967-42-0463
FAX: 0967-42-0735
Business Area
We primarily serve Aso-gun, and cover the entire Kumamoto Prefecture and Oita Prefecture. Please contact us for specific areas.
Capital
5 million JPY
Business Hours
9:00 - 17:00
Affiliated Companies
・Hiwa Giken Co., Ltd.
・Daijin Motors Co., Ltd.
・Yamanaka Sangyo Co., Ltd.
Qualifications
・Grade 1 Civil Engineering Construction Management Engineer : 10 people
・Grade 1 Civil Engineering Construction Management Engineer Assistan t: 1 person
・Grade 2 Civil Engineering Construction Management Engineer : 11 people
・Grade 1 Pavement Construction Management Engineer : 4 people
・Surveyor : 2 people
・Assistant Surveyor : 1 person
・Grade 1 Construction Machinery Operation Engineer : 2 people
・Grade 2 Construction Machinery Operation Engineer : 6 people
・Grade 2 Pipe Works Construction Management Engineer : 5 people
・Demolition Work Construction Enginee r: 5 people
・Septic Tank Installation Engineer : 4 people
・Real Estate Transaction Specialist : 3 people
・Grade 2 Architect : 1 person
・Grade 1 Building Construction Management Engineer : 1 person
・Grade 2 Building Construction Management Engineer : 4 people
・Grade 1 Construction Industry Accountant : 1 person
・Grade 2 Construction Industry Accountant : 2 people
※As of June 2025
History
April 1966
Founded
・Founder : Akira Tawara
・Trade Name : Daijin Sangyo
January 1980
Organizational Change
・Trade Name : Daijin Sangyo Ltd.
June 1989
Organizational Change
・Trade Name : Daijin Sangyo Co., Ltd.
・President : Kazuyuki Tawara
September 1993
Affiliated Company
・Hiwa Giken Co., Ltd. Established
November 1996
Maintenance Division, Daijin Motors acquired certification.
April 2003
Acquired ISO 9001 certification; Hiwa acquired ISO 14001.
September 2005
Maintenance Division, Daijin Motors spun off as a separate company.
Trade Name: Daijin Motors Co., Ltd.
April 2007
Introduced Human Resources Training (NBC system).
November 2009
KUJU-WAITA Prospect Park opened.
October 2011
Cocoro Home newly established
Sustainable Development Goals
Authentication
