Tantawan Construction and Service Co., Ltd. (TCS)

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.