Insimbi Industrial Holdings Limited provides ferrous and non-ferrous alloys, and refractory materials in South Africa and internationally. It operates through Non-Ferrous, Ferrous, and Refractory segments. The Non-Ferrous segment supplies non-ferrous recycled metals for the foundry, non-ferrous, automotive, heavy aluminium, and powder coating industries. The Refractory segment provides refractory requirements of steel and cement industries; and supplies industrial heat resistant textiles. The Ferrous segment offers steel and polypropylene fibers to the welding and optical industries, as well as various ferrous-based recycled metals; and supplies materials for the steel industry. It also exports its products. Insimbi Industrial Holdings Limited was founded in 1970 and is based in Germiston, South Africa.