PT. Gunung Samudera Tirtomas Group is a contractor company engaged in construction, property and tourism services. Founded by Robinson Saalino since June 2015. Beginning with a group of dynamic youth and determined to progress and develop in the business world especially construction, property and tourism by looking at economic development, and increasing development in Indonesia especially the Special Region of Yogyakarta is very possible to develop into a modern city but stick to Adat and Ethics that are held firm by society.



Address: Dusun Kenayan RT 05 RW 30 Wedomartani, Ngemplak, Sleman,Daerah Istimewa Yogyakarta 55584

Telephone: 0274-4531908