Syahnan Poerba

Part of PT ABM Investama Tbk, PT Reswara Minergi Hartama is an Indonesian company that mines, produces, transports, and sells coal. The company is based in Jakarta Selatan, Indonesia.

PT Cipta Kridatama engages in the provision of contract mining and construction services. The firm offers pit contract mining services such as mining survey; topographical and geological modeling; mine design and production scheduling; drilling and blasting; mining extraction; and miscellaneous mine site services. It also focuses on construction services such as project management, materials management, and procurement support for civil infrastructures projects consisting of earthworks and site preparation; roads; well site preparation and construction; mine facilities; and concrete and steel structure works. The company was founded April 8, 1997 and is headquartered in Jakarta, Indonesia.

Part of PT ABM Investama Tbk, PT Cipta Krida Bahari, also known as CKB Logistics, is a logistics services company based in Jakarta, Indonesia. CKB Logistics provides project logistics, remote site/supply base services, and international shipping. The Indonesian company's establishment was in support of logistics services for the emergence of free trade in Indonesia. The company was founded in 1997 and is led by CEO Iman Sjafei.

PT Sumberdaya Sewatama engages in the provision of power solutions. Its products include power rental, dewatering, operations and maintenance, energy efficiency services, and solar PV and hybrid system. The company was founded in 1992 and is headquartered in Jakarta, Indonesia.

Part of PT ABM Investama Tbk, PT Sanggar Sarana Baja is an Indonesian company that manufactures and markets equipment for oil and gas, mining, power generation, and transport. The company is based in Jakarta, Indonesia.

PT Pelabuhan Buana Reja (PBR) engages in port operation. It give support the parent company in coal shipping activity. The company founded on December 2, 2010 and is headquartered in Jakarta, Indonesia.