"We Make Things Happen"
Vision
To be a leader in driving innovative construction for the energy sector, upholding excellence and integrity in everything
Mission
To deliver cutting-edge construction and engineering solutions tailored to the dynamic demands of the oil, gas, and energy industries. We foster innovation, ensure sustainability, and promote operational excellence—while building trusted partnerships with our clients, communities, and stakeholders.
Core Values
Integrity
We uphold the highest standards of honesty, transparency, and accountability in all our actions.
Innovation
We embrace creativity and cutting-edge technology to deliver forward-thinking solutions for the energy sector.
Excellence
We are committed to achieving the highest levels of safety, quality, and performance in every project we undertake.
Sustainability
We prioritize environmentally responsible practices and long-term value creation for our stakeholders and communities.
Collaboration
We foster strong partnerships and teamwork to achieve shared success and drive meaningful impact.
Resilience
We transform challenges into opportunities, guided by our motto, “We Make Things Happen,” to deliver on our promises.
Company History
Tantawan Construction and Service Co., Ltd. (TCS) stands as a testament to nearly two decades of resilience, innovation, and technical mastery in the oil and gas industry.
- Established in 2004 with a focus on offshore manpower services, TCS underwent a pivotal transformation in 2015, rebranding and expanding its capabilities to deliver comprehensive engineering, procurement, construction, and commissioning (EPCC) solutions.
- With state-of-the-art fabrication yards in Rayong and Songkhla, a portfolio of globally recognized ISO and DIN certifications, and a proven track record of delivering complex projects, TCS has earned its reputation as a trusted strategic partner to major energy operators across Thailand and Southeast Asia.
- We remain steadfast in our mission to deliver world-class solutions anchored in quality, safety, and operational excellence.
Certifications
At Tantawan, we place the highest priority on quality, health, safety, and environmental (QHSE) management. Our robust certification portfolio ensures compliance with international standards and reinforces our reliability as a contractor of choice in the energy sector.
Our integrated QHSE management system forms the backbone of all project execution strategies—ensuring that every deliverable is aligned with our client’s expectations, legal frameworks, and operational excellence benchmarks.
These certifications are not just formalities; they are reflections of how we work, how we think, and how we deliver.
We currently hold the following internationally recognized certifications:
ISO 9001: Quality Management
ISO 14001: Environmental Management
ISO 45001: Occupational Health and Safety
DIN EN ISO 3834-2: Welding Workshop Compliance
