Company Profile

  • Company Name : KANTOU MAINTENANCE ASIA Co.,Ltd.
  • Incorporation :  4 August 2015
  • Capital :  10 million baht

­                On January 2004, Toei Electric System Co., Ltd. was established by the capital Of 10 million yen. The company started the business on serving construction of electric power, electric line and maintenance services.

On 24th July 2008, Kantou Maintenance Co., Ltd. had established for expansion

the constructionand maintenance business all over the Kanto area.

On 4th August 2015, Kantou Maintenance Asia Co., Ltd. has been established

with the capital of 10 million baht in Thailand as a business of electric system installation and maintenance for electric train worldwide especially for any project in Asia zone.


• Employees :  35 employees

OCS Special Technicians :  31 Technicians

All special technicians in Kantou Maintenance Asia Co., Ltd. has been trained at least 2 years, and have direct experience of construction and maintenance for OCS works.

Licenses & Certificates:

    • Certificate of Crane Operator
    • Certificate of Heavy Machine Operator
    • Certificate of Safety Officer at Management Level (1)
    • Certificate of Safety Officer at Supervisor Level
    • Certificate of Safety Officer at Technical Level

Administrators & Officers:  4 Officers

Message from Managing Director


Nowadays, many countries around the world have a major concern of environmental issues caused by over-emission of carbonyloxies which came from vehicles or electric produced from Lignite. As a result, these situations will lead to serious problems and long-term damages on people’s health and well-being.

Therefore, many countries in Asia may seriously choose green energy such as electricity instead of fuel in their mass transit systems.

Currently, Kantou Maintenance Asia Co., Ltd. (KMA) is a specialist in electric mass transit installation and maintenance services since we have been completed successfully extensively in Japan.  Moreover, we have good relationships with Japanese manufactures and electric railway companies for a long period.

KMA’s goal is to provide high technologies of mass transit system to Thailand as well as the other countries to be able to improve the countries together simultaneously. Therefore, in our first step, we aim to start in Thailand by pioneering electric mass transit system with our specialized technical training center. Then, spread out the technology to Asia.

KMA does not only aim to raise the standard of electric train system in Thailand, but also aim to improve the potential of human to meet international standard.

Corporate Development

2004 :
Work orders about Electrical equipment ·repair construction maintenance around Tokyo area 113km ·Omiya area 35km.

2005 :
Work orders about Train line trouble move construction in northern Tokyo area,Move construction from northern Japan due to the high-speed rail construction of new Tokyo area equipment (track and electrical equipment),About this construction overall moved distance (track) 3K60m.

2006 :
Kanto area (8 Prefecture) train track equipment repair work Work orders about maintenance business with maintenance and inspection.

2007 :
Omiya area Hachioji area Yokohama area, Chiba area and Metropolitan area (Tokyo) area which around is business scope expansion

2008 :
The orders for equipment training school (construction and train and substations, communications and electric power inspection and maintenance equipment).

2010 :
The business has been started by targeting at the construction as well as maintenance service of railway electrical systems in Asia.

2011 :
Upon the Tohoku earthquake, We have opened a branch office at Sendai,and reconstruction about the railway track damaged by Tsunami 3 km.

2015 :
Kantou maintenance Asia is established in Thailand BOI (Thailand Board of Investment) approved,and This year we will start the railway business in Thailand.

2017 – 2020:
Kantou Maintenance Asia had signed a contract of  OCS Installation Work  including  OCS Foundation Installation Work in Bangkok Red Line Project (West Line and Bang Sue CT Depot) with Loxley Public Company Limited.
       • West Line (Bang Son – Taling-chan) with wiring distance of 37 km.
       • Depot Area (Main Worshop – Stabling Yard – Connection Line) with wiring distance of 30 km

2020 ~ the present:
Sign an additional contract of OCS Installation Work in Red Line Project (West Line and Bang Sue CT Depot) on North Line Area (Bang Sue – Rangsit)
       • Noth Line (Wat Samean Nari – Don Muang) with wiring distance of 27 km.
       • Bangsue Grand Area with wiring distance of 20 km.

Present Work in Thailand:

Red Line Project:

1. Survey for OCS Installation Analysis & Consultant

2. Ground Resistance Inspection & Rebar Scanning Work

3. Foundation Installation

  • a: Casting On-site
  • b: Precast Installation

4. Mast & Steel Structure Installation

5. Portal Beam Installation

6. OCS Wiring Work (FW & AEW & CW & MW)

7. Cantilever & Parallel Frame Installation