The Nigerian National Petroleum Corporation (NNPC) is the state oil corporation responsible for the exploration, production, and marketing of petroleum and petroleum products in Nigeria. Established in 1977, it plays a crucial role in the country's economy, managing the nation's oil resources and ensuring energy security. NNPC operates various subsidiaries involved in refining, distribution, and gas processing. It also collaborates with international oil companies to enhance production capabilities. In 2021, NNPC transitioned to a limited liability company, aiming for greater efficiency and transparency in its operations while continuing to contribute significantly to Nigeria's revenue.