PT. Pelabuhan Penajam Banua Taka (ASTRA Infra Port - Eastkal) is an oil and gas supply base company, wholly owned by PT Astra Nusa Perdana (subsidiary of PT Astra International Tbk). It was established in 2005 and has been operating since 2010 before acquisition by Astra Group in 2013. The supply base is strategically located at the mouth of Riko River, 7 km from the city of Balikpapan, and equipped with internationally standardized facilities and management, as well as experienced human resources.