The downstream industry in Nigeria is well established. NNPC has four refineries, at Kaduna, Port Harcourt and Warri have a combined installed capacity of 445,000 bpd. A comprehensive network of pipelines and Depots strategically located throughout Nigeria links these refineries. NNPC, through its subsidiary, the Pipelines and Products Marketing Company (PPMC), supplies only to bulk customers. They, in turn, meet the needs of millions of customers across the country for products ranging from gasoline and jet fuel to diesel, fuel oil and liquefied petroleum gas.

The Eleme Petrochemicals Company, a fully owned subsidiary of NNPC, at Port Harcourt using natural gas liquids as feedstock produces polyethylene and polypropylene for the plastic industry in Nigeria.

NNPC produces linear alkyl benzene, benzene, heavy alkylate and deparafinated kerosene at its Kaduna Refinery complex. Linked to the Warri Refinery are a 35,000 metric ton per annum (mtpa) polypropylene plant and an 18,000-mtpa carbon black plant.