NNPC Limited, formerly the Nigerian National Petroleum Corporation, is a state-owned oil and gas company based in Abuja, Nigeria. Established in 1977, it is the largest asset holder in Nigeria's oil and gas sector, focusing on sustainable national development through the management of the country's petroleum resources.

The company operates across the entire oil and gas value chain, including exploration, production, refining, transportation, and marketing. NNPC Limited manages three major refineries in Port Harcourt, Warri, and Kaduna, producing various products such as kerosene, biofuels, and petrochemicals. It also engages in gas development and commercial investments through its subsidiaries. In addition to its core activities, NNPC Limited is involved in renewable energy initiatives, linking the oil and gas sector with agriculture for the production of ethanol.

In 2021, NNPC transitioned to a limited liability company to enhance its commercial viability and efficiency. The company emphasizes transparency and accountability, committing to initiatives that promote ethical standards across its operations.