01 Our
CH. Karnchang
02 Construction
03 Infrastructure
04 Investor
05 Corporate
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B U I L D I N G   A   B E T T E R   L I F E   F O R   A L L

More than just a construction firm…
CH.Karnchang is a driving force behind the development
and progress of the country. We build a better life for all.
And we will continue giving back to society.
CH. Karnchang invests in a way that is efficient. We operate with professionalism.
We strive to promote a better quality of life in all aspects.
CH. Karnchang has been increasingly recognized and trusted by leading
organizations, with ability to manage megaprojects at the
regional levels where all advanced engineering technologies are needed.
CH. Karnchang, a leader in construction and a regional leader in the development
of high quality and comprehensive public infrastructure.
We are visionaries, implementing beneficial projects by anticipating the needs of
the future. Public interest is at the forefront of our corporate vision. Everything we do 
for our business must always be in the best interest of the country and society. 
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Our CH. Karnchang

Over the past 50 years of our successful.

CH. Karnchang Public Company Limited was incorporated as a limited company, with the initial registered capital of Baht 1.4 million, on November 27, 1972, to engage in general construction business. Initially, CH. Karnchang’s scope of work covered construction of buildings and general civil works, and its major clients were government agencies, such as, the Royal Thai Army and the Royal Thai Air Force.

Subsequently, CH. Karnchang realized the need to enlarge the scope of its business operations. In this respect, in 1981, CH. Karnchang entered into a joint venture with Tokyu Construction Co., Ltd., More
About us Leaderships & Visions Organization Chart Board of Directors Senior Executive Board of Management Advisory Committee Nature of Business
Business Group Certifications
and Awards
Safety Policy

Road to Success

Construction Business

CH. Karnchang selected the projects with good contribution to the society and our country and our construction services experts provide clients under the principles of effective cost management, timeless and quality of work.

Infrastructure Investment

CH. Karnchang Public Company Limited’s vision to be the leader in construction business

and the pre-eminent and comprehensive basic infrastructure developer and investor with professional management, talented teams and good corporate governance practice, these values have demonstrated the exceptional performance which will pave the way for CH. Karnchang’s sustainable growth.
Bangkok Expressway and
Metro Public Company Limited
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TTW Public Company Limited shadow inset TTW Public Company Limited CK Power
Public Company Limited
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Investor Relations

CH.Karnchang Public Company Limited or “CK”, founded in 27 November 1972, with the company’s vision that the company will be the leader in construction business and the pre-eminent and comprehensive basic infrastructure developer in the country. At the present, CH.Karnchang invested in the basic infrastructure divided into Transportation (BEM) Water work (TTW) and Power (CKP). These are prominent points that make of CH.Karnchang different by having 2 core businesses. CH.Karnchang is determined to operate its business responsibly and eco-friendly with efficient management in parallel.
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Corporate Governance

CH. Karnchang and all members of the Board of Directors have been complying with the good corporate

governance principles, by realizing the significance of and responsibilities towards all shareholders and stakeholders of the Company. To reinforce the confidence of shareholders, investors and all related parties, the good corporate governance policy and other policies are reviewed at least once a year, and as such, the Company continued to receive a very good rating in the assessment of the corporate governance.


With our successful and sustainable business operations, in our capacity as construction contractor, developer and investor in full-scale infrastructure projects, CH. Karnchang is committed to business operations with due care, cost-efficient project management, and timely delivery of quality works that meet standards. Our key missions are to create works of excellent quality and useful for the social and national development, with responsibility to all stakeholders, in line with our corporate governance principles, in the economic, social and environmental aspects towards a sustainable development
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Mass Rapid Transit System

MRTA Depot Building and Facilities

Owner : Bangkok Metro Company Limited
Finish 2003
Start 2002
Expense 601 MB
Mass Rapid Transit System

MRTA Initial System Project (Trackworks)

Owner : Mass Rapid Transit Authority of Thailand
Finish 2002
Start 1999
Expense 2,815 MB
Mass Rapid Transit System

MRTA Initial System Project (Hua Lamphong - Thailand Cultural Center)

Owner : Mass Rapid Transit Authority of Thailand
Finish 2003
Start 1996
Expense 23,900 MB
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