Ajaokuta Steel Company Limited (ASCL) popularly known as Ajaokuta Steel Mill is Nigeria’s largest steel plant located in Ajaokuta, Kogi State, Nigeria.

Built on a 24,000 hectares (59,000 acres) site in 1979 with the coke oven and byproducts plant larger than all the refineries in Nigeria combined is reported to finally start production, four decades after.