Insimbi Industrial Holdings Limited provides ferrous and non-ferrous alloys, and refractory materials for the steel, aluminum, cement, foundry, plastics, paper, and pulp industries. It operates through four segments: Non-Ferrous, Ferrous, Refractory, and Plastics. The company's Non-Ferrous segment supplies non-ferrous recycled metals for the automotive, heavy aluminium, and powder coating industries. Its Ferrous segment offers steel and polypropylene fibers to the welding and optical industries, as well as various ferrous-based recycled metals; and supplies raw materials for the steel industry. The company's Refractory segment provides refractory requirements of steel and cement industries; and supplies industrial heat resistant textiles. Its Plastics segment offers plastic packaging products for chemical, agricultural, and food industries. The company also exports its products. It operates in Africa, Asia, Australia, Europe, North and South America, and South Africa. The company was founded in 1970 and is based in Germiston, South Africa.