TANTAWAN
CONSTRUCTION AND SERVICE
COMPANY LIMITED
About Us
We Make Things Happen
TCS is a leading Thai engineering and construction company specializing in offshore and onshore infrastructure for the energy sector. With over two decades of proven experience, we deliver projects with precision, safety, and innovation, serving major oil and gas operators, EPC contractors, and industrial clients across the Asia-Pacific region.
Our name is synonymous with reliability, excellence, and execution—turning complex visions into engineered reality. From offshore platforms and subsea systems to refinery fabrication and workforce solutions, we bring world-class capabilities to every project phase.

Integrity in Every Action
Honesty and transparency are the cornerstones of our culture, fostering trust and long-term relationships within the organization and with our partners.

Commitment to Excellence
We foster a work environment where striving for excellence in safety, quality, and performance is a shared responsibility and a core expectation.

Collaboration and Team Spirit
We believe in the power of teamwork, open communication, and mutual respect, ensuring everyone works together to achieve shared goals and create lasting impact.

Empowerment and Accountability
We encourage individuals to take ownership of their roles, empowering them to make decisions and be accountable for delivering results aligned with our motto, “We Make Things Happen.

Innovation-Driven Mindset
Our culture thrives on curiosity, creativity, and the continuous pursuit of groundbreaking ideas to propel the energy sector forward.

Sustainability as a Way of Life
Our team is united by a commitment to environmentally conscious practices, embedding sustainability into every project and decision we make.

Resilience and Adaptability
We embrace challenges with a positive outlook, transforming obstacles into opportunities and consistently delivering on our promises with determination and flexibility.

Celebrating Success and Growth
We celebrate achievements, both big and small, while fostering an environment of learning, personal growth, and professional development for our people.
Our Business

Integrated Workforce Supply for Offshore & Onshore Projects

Offshore & Onshore Construction

Engineering Solutions for Offshore & Onshore Projects

Oil & Gas Specialized Services (Onshore & Offshore)
Project Showcases

Offshore Platform Construction

Brownfield Modifications and Upgrades

Subsea Structures and Pipelines

Testing, Pre-Commissioning, and Commissioning

De-commissioning

Onshore Fabrication
TANTAWAN
