Outline
- Trade name
-
TAIHO Industrial Co., Ltd.
- Establishment
-
October 26, 1949
- Capital
-
80,000,000 yen
- Annual sales
-
Non-consolidated: 13.1 billion yen (FY3/2025) Group total: 20.9 billion yen
- Sales composition by business
-
Plant-related business: 49%
Infrastructure-related business: 43%
Smart energy-related businesses: 8%
- Representative
-
Kazuyuki Inui, President and Representative Director
- Officers
-
Akinari Fukumoto, Director
Yukihiro Fujisawa, Director
- Employees
-
Non-consolidated: 264/Group: 502
- Business
-
Sales and maintenance of control equipment and industrial measuring and instrumentation equipment
Sales and maintenance of electrical and electronic measuring instruments and communication measuring instruments
Sales and maintenance of analytical and scientific instruments
Sales of optical and laser equipment, bio and life-science equipment
Sales, design, construction, and maintenance of electrical equipment and materials
Sales, design, construction, and maintenance of civil engineering equipment and materials
Design, construction, and maintenance of PA and FA systems
Sales and maintenance of new energy-related equipment
Sales, design, installation, and maintenance of robot systems
Sales, design, installation, and maintenance of network cameras
Sales, development, design, assembly, processing, and maintenance of machine tools, assembly equipment, and jigs
Sales, development, design, assembly, processing, and maintenance of inspection, cleaning, and measuring equipment
- Main business partners
-
Construction permits
Licensed by the Minister of Land, Infrastructure, Transport and Tourism (Special-2) No. 21617
Electrical work
Licensed by the Minister of Land, Infrastructure, Transport and Tourism (Han-2) No. 21617
Telecommunications work / Scaffold/construction/concrete work
Machinery installation / Public engineering
Paving work / Water facilities work
Steel construction work
Worker dispatch
Ha-37-300137
- List of Qualified Personnel
-
Licenses / National Qualifications / Certification Exams
Class-1 Licensed Electrician 14 persons
Class-2 Licensed Electrician 38 persons
1st Grade Electrical Construction Management Engineer 20 persons
2nd Grade Electrical Construction Management Engineer 20 persons
1st Grade Telecommunications Construction Management Engineer 6 persons
2nd Grade Telecommunications Construction Management Engineer 4 persons
Class-2 Chief Electrical Engineer 1 person
Responsible Person for Poisonous and Deleterious Substances 5 persons
Hazardous Materials Engineer, Class A 2 persons
Hazardous Materials Engineer, Class B-4 19 persons
Radiation Supervisor, Class II 1 person
Radiation Supervisor, Class III 2 persons
Class-1 Health Supervisor 13 persons
Class-2 Health Supervisor 1 person
Mechanical & Plant Drafting (CAD) Grade 1 1 person
Mechanical & Plant Drafting (Hand-drawing) Grade 2 1 person
Pollution Control Manager (Water Quality, Class I) 1 person
Pollution Control Manager (Water Quality, Class II) 2 persons
Pollution Control Manager (Air Quality, Class III) 1 person
Energy Manager 2 persons
Class-1 Boiler Engineer 2 persons
Class-2 Boiler Engineer 5 persons
Building Sanitation Management Technician 2 persons
Fire Protection Engineer, Class A-1 2 persons
Fire Protection Engineer, Class A-2 1 person
Fire Protection Engineer, Class A-3 1 person
Fire Protection Engineer, Class A-4 3 persons
Fire Protection Engineer, Class A-5 1 person
Fire Protection Engineer, Class A-Special 1 person
Fire Protection Engineer, Class B-1 1 person
Fire Protection Engineer, Class B-6 1 person
Fire Protection Engineer, Class B-7 1 person
Fire Equipment Inspector, Class 1 1 person
Fire Equipment Inspector, Class 2 1 person
High-Pressure Gas Safety Officer, Category B (Machinery) 1 person
High-Pressure Gas Safety Officer, Special Category C (Chemistry) 2 persons
High-Pressure Gas Safety Officer, Refrigeration Class II 3 persons
High-Pressure Gas Safety Officer, Refrigeration Class III 1 person
Sewage Treatment Plant Manager 2 persons
Bookkeeping (Japan Chamber of Commerce and Industry) Grade 2 13 persons
Business Law Certification, Grade 2 1 person
Construction Industry Accounting, Grade 1 3 persons
Construction Industry Accounting, Grade 2 3 persons
Civil Engineering Management Engineer, Grade 1 4 persons
Civil Engineering Management Engineer, Grade 2 3 persons
Chief Engineer for Water Supply Installation 1 person
Certifications
Instrumentation Engineer, Grade 1 17 persons
Instrumentation Engineer, Grade 2 30 persons
Safety and Health Promoter 13 persons
Supervisor Training 30 persons
Supervisor & Safety/Health Supervisor 38 persons
Standards-Compliant Product Maintenance (Yokogawa) 1 person
Soldering Training (Yokogawa) 2 persons
Tubing Fitting Work 2 persons
Post-installed Anchor Technician, Class 2 1 person
Corrosive Substance Processing Facility Technical Manager
Intermediate Facility 2 personsWaste Treatment Facility Technical Manager
Sewage/Sludge Recycling Facility 1 personFinal Disposal Site Technical Manager 1 person
Technical Training
Work Supervisor for Oxygen Deficiency / Hydrogen Sulfide 32 persons
Work Supervisor for Organic Solvents 17 persons
Work Supervisor for Specific Chemical Substances 12 persons
Gas Welding Technician 12 persons
Slinging Operations (Tamakake) Training 31 persons
Forklift Operator Training 14 persons
Small Mobile Crane Operator 6 persons
Construction Machinery Operation Training
(Landscaping, Transport, Loading, Excavation) 5 personsAerial Work Platform Operator (over 10m) 3 persons
Local Exhaust Ventilation Equipment Inspection 1 person
Drying Equipment Supervisor 2 persons
Pressure Vessel Handling, Class 1 3 persons
Overhead Traveling Crane Operation Training 1 person
Special Education
Special Education for Oxygen Deficiency Work 10 persons
Special Education for Full-Harness Fall Protection Equipment 38 persons
Special Education for Dioxin-related Work 18 persons
Mobile Crane Operator 2 persons
Overhead Crane Operation (under 5t) 11 persons
Aerial Work Platform Operator (2m–10m) 12 persons
Portable Grinder / Cutting Wheel Operation 3 persons
Special Education for High/Extra-High Voltage Electricity Handling 3 persons
Special Education for Low Voltage Electricity Handling 43 persons
Electrical Work Site Supervisor (Shidenko) 4 persons
Fire Prevention Manager, Class A 1 person
Fire Equipment Inspector, Class 1 1 person
Safety Manager Training 4 persons
Basic Life Support Training 4 persons
Arc Welding 6 persons
Sewage Treatment Technical Manager 2 persons
Special Education for Industrial Robots 3 persons
Work Related to Teaching of Industrial Robots 1 person
Work Related to Inspection of Industrial Robots 1 person
Special Education for Grinding Wheel Replacement 4 persons
Scaffolding Assembly Special Education 6 persons
(As of June 2025)
- Group companies
-
Koei Denko Co., Ltd.
Address: 370-9, Go, Yawatahama City, Ehime Prefecture, 769-8020
TEL +81-894-24-5363 FAX +81-894-24-5559
Shinritsu Electric Co., Ltd.
1-10 Higashikaigan-dori, Kudamatsu City, Yamaguchi Prefecture, 744-0002
TEL +81-833-43-6130 FAX +81-833-44-0431
Doi Manufacturing Co., Ltd.
Tokyo Baraki Hall 5F, 5-30-13 Toyo, Koto-ku, Tokyo 135-0016
TEL +81-3-3747-0210 FAX +81-3-3647-1421
Nippon Jigu Co., Ltd.
1317-2 Higashikanaicho, Ota City, Gunma Prefecture, 373-0022
TEL +81-278-22-6211 FAX +81-276-22-6210
Hamaden Co., Ltd.
110-5 Terayamacho, Midori-ku, Yokohama, Kanagawa Prefecture, 226-0013
TEL +81-45-938-8560 FAX +81-45-938-8755
Fujimura Tools Co., Ltd.
558-1 Hanaina, Ohnohara-cho, Kannonji-shi, Kagawa Prefecture, 769-1613
TEL: +81-875-56-3191 FAX: +81-875-52-4101
Hajime Kagaku Co., Ltd.
3-7 Toiyamachi, Matsuyama-shi, Ehime Prefecture, 791-8018
TEL: +81-899-22-2151 FAX: +81-899-22-2155
Ichikawa Koken Co., Ltd.
832-1 Hirashima, Fujieda City, Shizuoka Prefecture, 426-0011
TEL: +81-546-41-8786 FAX: +81-546-44-0035
Organization chart

History
- 1949
- October
-
TAIHO Industrial Corporation established in Gobo-cho, Takamatsu City, with capital of 150,000 yen.
- 1955
- September
-
Niihama Branch opened
- 1957
- July
-
Matsuyama Branch opened
- 1968
- July
-
Engineering Department spun off and established as Yutaka Instrumentation Co., Ltd., with capital of 3 million yen.
- 1970
- January
-
Tokushima Branch opened
- 1972
- October
-
Kochi Branch opened
- 1986
- April
-
Head Office relocated to Yashima Nishi-machi
- 1992
- October
-
Yawatahama Sales Office opened
- 2005
- April
-
Business integration conducted with Yutaka Instrumentation Co., Ltd.
- 2006
- March
-
Tokyo Sales Office opened
- 2008
- April
-
Yawatahama Sales Office and Tokyo Sales Office upgraded to branches
- 2010
- July
-
Shinritsu Electric Co., Ltd. made a subsidiary
- 2011
- April
-
Kansai Sales Office opened
- 2013
- February
-
Taiwan Taiho Industrial Co., Ltd. established
- 2016
- April
-
Taiho G&N Co., Ltd. established
- October
-
Head Office moved to Kotobuki-cho; Kagawa Branch renamed Takamatsu Branch
- 2017
- February
-
Kochi Branch moved to Takanonaka-machi.
- 2018
- March
-
DOI MFG., INC. made a subsidiary
- December
-
President and Representative Director Noriyuki Inui dies
- 2019
- January
-
Kazuyuki Inui appointed President and Representative Director
- February
-
YASAC Ltd. made a subsidiar
- April
-
Seisan Sales Office opened in Utazu-cho, Ayauta-gun
- 2020
- April
-
Imabari Sales Office opened in Kitahorai-cho, Imabari City
- 2021
- February
-
Kanagawa Office opened in Sagamihara City, Kanagawa Prefecture
Nihon Jig Inc. made a subsidiary
- March
-
Fukuoka Sales Office opened in Kurume City
- April
-
East Japan Branch Office opened in Ota City, Gunma Prefecture
- September
-
Kanagawa Office relocated to Sagamihara Incubation Center
- 2023
- April
-
Thai Taiho Co., Ltd. established
- September
-
Hamaden Co., Ltd. made a subsidiary
- 2024
- June
-
Fujimura Tool Co., Ltd. made a subsidiary
- November
-
Kanagawa Office relocated to Yokohama City, Kanagawa Prefecture
- 2025
- January
-
Tokyo Head Office opened in Hamamatsu-cho, Minato-ku, Tokyo
Tokyo Branch relocated to Hamamatsu-cho, Minato-ku, Tokyo
- April
-
Hajime Kagaku Co., Ltd. made a subsidiary
- July
-
Chuo Shikoku Sales Office opened in Kan-onji City, Kagawa Prefecture
Invested in Ichikawa Koken Co., Ltd. jointly with Nakamura Kikou Co., Ltd.