NJR Steel was founded in 1980 by Nigel John Riley. Its first subsidiary, Northern Steel and Pipe, opened its doors in Samcor Park, Pretoria East. Since then, NJR Steel has significantly grown its capacity to serve its customers, and currently has branches in Gauteng, Mpumalanga, Limpopo, North West Province and KwaZulu-Natal.
NJR Steel Pretoria East is Situated in Samcor Industrial Park.