PSG Corporation Public Company Limited is a Thailand-based construction and engineering firm established in 1981, headquartered in Bangkok. The company specializes in turnkey Engineering, Procurement,... PSG Corporation Public Company Limited is a Thailand-based construction and engineering firm established in 1981, headquartered in Bangkok. The company specializes in turnkey Engineering, Procurement, and Construction (EPC) services, executing large-scale projects including civil engineering, industrial construction, superstructures, mechanical and electrical engineering, as well as roads and infrastructure developments in Thailand and the Lao People's Democratic Republic. Known for its over 40 years of experience, PSG Corporation has built a reputation for delivering high-quality construction projects on schedule and in compliance with contract terms. Recently rebranded from T Engineering Corporation Public Company Limited in 2021, PSG is transitioning from solely contracting to a regional developer focusing on sustainable energy and natural resource projects. It holds ISO 9001:2015 certification and serves both governmental and private sectors, emphasizing environmentally sustainable operations and corporate integrity.