OM Holdings Limited is an investment company engaged through its subsidiaries in mining, manufacturing and trading of mineral metals. The company's products include manganese ore, chrome alloys, chrome ore, ferro silicon, iron ore, ferro boron, manganese alloys, non ferrous metal, silicon alloy, stainless steel scrap, and zinc ingots. OM Holdings Limited is a wholly owner of OM Materials (S) Pte Ltd, OM (Manganese)Ltd and OM Materials (Qinzhou) Co Ltd. The company primarily operates in China, Singapore, and Australia.