Right Tunnelling Public Company Limited, together with its subsidiaries, engages in the provision of construction services, open and underground rock excavation, dam excavation, and other construction works in Thailand, Myanmar, the Lao People's Democratic Republic, and Cambodia. It is also involved in mineral exploration activities. The company was incorporated in 2000 and is based in Samut Prakan, Thailand. Address: 292 Moo 4 Bangna - Trad Rd. (km 26), Samut Prakan, Thailand, 10560