For demolition, paving, surveying, civil engineering, construction, or real estate, please feel free to contact us with any inquiries.
We have been involved in local public works projects for 36 years, primarily in the Aso region.
Leveraging our proven track record in public works, which form the foundation of everyone's daily lives, we are now also embarking on the creation of comfortable 'homes.'
For demolition, paving, surveying, or any other inquiries, please feel free to consult us.
Company
Company Name
Daijin Sangyo Co., Ltd.
Representative
Asami Sato
Address
〒869-2401
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 peoplebr>
・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 Daijin Sangyo; Akira Tawara appointed President.
November 1973
Acquired Construction Business License No. 2576 from Kumamoto Prefectural Governor.
January 1980
Organizational Change; became Daijin Sangyo Ltd.
Capital : 5 million JPY
June 1982
Capital increased to 7.5 million JPY.
June 1987
Capital increased to 10 million JPY.
September 1988
Capital increased to 15 million JPY.
June 1989
Organizational Change; became Daijin Sangyo Co., Ltd.; Kazuyuki Tawara appointed President.
August 1996
Capital increased to 30 million JPY
Acquired Industrial Waste Collection and Transport Permit.
May 2000
Capital increased to 45 million JPY.
April 2003
Acquired ISO 9001 certification.
September 2005
Maintenance Division spun off to Daijin Motors Co., Ltd.
Capital : 35 million JPY
February 2006
Registered as Surveying Business (Registration No. 30322).
October 2006
Acquired Special Industrial Waste Collection and Transport Permit.
April 2007
Introduced Human Resources Training (NBC system).
December 2007
Acquired Real Estate Business License (License No. 4615).
October 2009
KUJU-WAITA Prospect Park opened.
October 2011
Cocoro Home newly established.
September 2012
Capital increased to 50 million JPY.
April 2016
Asami Sato appointed President.
June 2018
Start of biomass power generation.
September 2018
Acquisition of Eco-Action 21 certification.
August 2022
Start of Oishisugi Baum production.
October 2023
Certification as a Bright Company.
January 2024
Won the Oishisugi Baum Umakamon Grand Prix.
August 2024
Introduction of Shikigaku
August 2025
Introduction of Jerusalem artichoke and capsule machine.
Construction Department
Project Achievements
Maintenance Work
■ Snow removal
Snow removal operations using graders, etc.
De-icing agent application
River Works
■ Chikugo River 2021 Flood Disaster Restoration Project
Before Construction
Completion
■ Shigase River Improvement (Prefectural Nature Bond Project)
Before Construction
Completion
■ Oda River Disaster Recovery Construction
Before Construction
Completion
■ Nakahara River Disaster Restoration Project (2018)
Before Construction
Completion
Demolition
■ Minamioguni Town Nature Recreation Village Management Center Demolition Project
Construction Progress 1
Construction Progress 2
Erosion Control
■ Sugita-kami Steep Slope Collapse Countermeasure Project (Prefectural - Retaining Wall Construction)
Before Construction
Completion
Road Improvement
■ Town Road Uriagari Yatahara Line Road Improvement Project
Before Construction
Completion
Paving
■ National Route 212 Disaster Prevention and Safety Grant (Pavement Repair) Project
Before Construction
Completion
■ Beppu Ichinomiya Line Disaster Prevention and Safety Grant (Bicycle Lane Development)
Before Construction
Completion
Forestry & Land Conservation
■ Shirakawa JV (2022)
Before Construction
Completion
■ Aso Region Land Conservation / Erosion Control Countermeasures for Severe
Before Construction
Completion
Commendation
September 2015 Excellent Commendation
Land Conservation
Project Name : Aso Region Land Conservation / Erosion Control Special Emergency Countermeasures for Severe Disasters Project (Supplemental) No. 32
Contractor : Daijin Sangyo Co., Ltd.
Site Representative : Seiichiro Kawakami
July 2009 Excellent Commendation
Civil Engineering Department Jurisdiction (or "Civil Engineering Division")
Project Name : National Route 442 Regional Collaboration Promotion Reconstruction (Road Improvement) Project
Contractor : Daijin Sangyo Co., Ltd.
Site Representative : Asahi Sato
August 2006 Excellent Commendation
Quality Department
Project Name : Minamioguni Town Western Area, Phase 4, Agricultural Exemption Farm Road Development Project No. 1
Contractor : Daijin Sangyo Co., Ltd.
Site Representative : Junya Nakamura
Housing Department
At Cocoro Home, our goal is to create homes that stay close to your heart, where the flowers of residents' smiles bloom in full glory!
Our Kikuyo branch has also recently opened.
Moving forward, we will continue to cherish our community and strive to build homes that truly meet our customers' desires.
Agricultural Department
As part of our commitment to continuous employment for retirees and the employment of people with disabilities, we are working on the effective utilization of abandoned farmland.
Utilizing this land, we engage in the planting, processing, and sale of Jerusalem artichokes, a specialty of the Oguni region.
Real Estate Department
Leveraging the advantage of local information
Leveraging the advantage of our deeply local information, intertwined with our main construction business, we aim to be a versatile and original advisor capable of meeting diverse customer needs.
The Oguni region, in addition to its scenic beauty, boasts numerous hot springs. We sincerely wish to assist those considering permanent residence in the countryside, those looking to engage in agriculture, or those interested in the food and beverage and accommodation industries.
We sell wood chips
