PT Mineral Sumberdaya Mandiri Tbk (AKSI.JK) is an Indonesia-based investment holding company engaged in trade, holding activities, and consultant services; through its subsidiary PT Rezki Batulicin Transport, it operates land transportation services for coal and minerals as well as vehicle rental including office vehicles, machinery, equipment, and office supplies primarily serving mining companies such as PT Borneo Indo Bara, PT Tanah Bumbu Resources, and PT Saraba Kawa. The company, founded in 1990 and headquartered at District 8, Treasury Tower, 52nd Floor, SCBD Lot 28, Jl. Jenderal Sudirman Kav. 52-53, South Jakarta, Indonesia, shifted from securities brokerage to investment focus in 2015, underwent multiple name changes including from PT Maming Enam Sembilan Mineral Tbk, and adopted its current name in 2022; it functions as a subsidiary of PT Batulicin Enam Sembilan Transportasi with approximately 464 employees. Recent developments include an extraordinary general meeting of shareholders in October 2024, lifting of a trading suspension in September 2024, property acquisitions, and fixed asset investments as reflected in its 2024 financial reports.