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.over the years, njr steel growth strategy has been focused on both organic and acquisitive growth. acquisitive growth has involved the purchase of several associated and aligned steel businesses, thereby creating a solid platform for further expansion.