PSG Corporation Public Company Limited, together with its subsidiary, engages in turnkey engineering, procurement, and construction (EPC), and large-scale construction projects in Thailand and the Lao People's Democratic Republic. It offers construction services for projects, such as civil engineering, industrial construction, superstructure, installation, mechanical and electrical engineering projects, etc., as well as roads, infrastructure, and other projects. The company was formerly known as T Engineering Corporation Public Company Limited and changed its name to PSG Corporation Public Company Limited in October 2021. PSG Corporation Public Company Limited was incorporated in 1981 and is headquartered in Bangkok, Thailand.