About JST Group
Founded in Bangkok in 1984. Operating across 44 countries today.
Who We Are
Southeast Asia's Integrated Services Group
JST Group was founded in Bangkok in 1984. Forty years on, we operate across 44 countries, employ over 500 people, and supply services to some of the region's largest oil & gas operators, EPCs, and industrial companies.
We are not a holding company. We are an operating group — with field teams, certified engineers, and specialist recruiters working on active projects every week.
Our commitment is straightforward: if we take the contract, we deliver it. No renegotiation of terms, no revision of scope to suit our convenience. That is the foundation our reputation is built on.
44+ Countries
Countries of operation
500+ Employees
Across Southeast Asia
ISO Certified
ISO 9001:2015 & ISO 45001
40+ Years
Of industry experience
Company Timeline
Four decades of growth, innovation and excellence.
1984
JST Group founded in Bangkok, Thailand
1995
Expanded into corrosion control and asset integrity services
2003
Launched HR Solutions division, becoming a leading EOR provider in Thailand
2008
Opened Vietnam office in Ho Chi Minh City
2012
ISO 9001 certification achieved across all core divisions
2015
Establishment of Guardian Protective Coating as a dedicated protective coating manufacturer.
2018
Expanded corrosion control operations to 44+ countries
2022
Launched Digital Transformation division
2024
ISO 9001:2015 recertification and continued expansion