PT Pertamina Patra Niaga is an Indonesian state-owned company that operates in the oil, gas, and coal sector, with a primary focus on downstream oil and gas activities. Established in 2004, it evolved from PT Elnusa Harapan, which was registered in 1997. As a commercial and trading sub-holding of PT Pertamina (Persero), the national oil and gas enterprise, the company plays a vital role in Indonesia's energy landscape.

The core activities of PT Pertamina Patra Niaga include the distribution, trading, and marketing of petroleum products, along with support services for mining and oil and gas extraction. This encompasses leasing tanks and maintaining oil fields, including the erection, cleaning, and repair of facilities. The company serves a diverse customer base across industrial, commercial, and retail sectors throughout Indonesia. Headquartered in Jakarta Selatan, it employs between 1,001 and 5,000 people and is committed to sustainable business practices as an active participant in the United Nations Global Compact.