Right Tunnelling Public Co. Ltd. engages in the provision of construction services. Its services include tunnel and shaft construction, dam construction, hydro power plant, pipe jacking, and horizontal directional drilling. The firm also offers slope protection and stabilization, earth and rock excavation, and geological exploratory drilling services. It operates through the Thailand and Overseas geographical segments. The company was founded by Chawalit Tanomtin on October 6, 2000 and is headquartered in Samut Prakan, Thailand.