PT. SAMUDERA MULIA ABADI (PT. SMA) began its business activities in the field of Heavy Equipment Rental. Beginning with the supply of Heavy Equipment for Exploration activity in the PT. Arafura Surya Alam (J Resources – Doup Site – Kotabunan), Heavy Equipment Support at PT. SAGO PRIMA PRATAMA (PT. SPP – Seruyung Site) and activities of mining service at PT. J Resources Bolaang Mongondow Lanut Site & Bakan Site – North Sulawesi. PT. SMA is one of the main contractors at the PT. SPP (Seruyung Site) that fully support of land clearing, exploration, construction, mining and gold mining activities. In early 2012, PT. SMA joined PT. J Resources Bolaang Mongondow site Lanut and support the mining activities. With the support from PT. SMA, the production could be achieved beyond the target. In early 2016, PT. SMA commenced a new mining project with Subsidiary of Rajawali Group: PT. MSM / PT. TTN – Toka Tindung Gold Mine Project located at Likupang – North Sulawesi.