OM Holdings Ltd. engages in the mining, processing and sale of specialized metal materials. The carries out its operations through its subsidiaries, which are engaged in the the operation of manganese mine, exploration and evaluation activities, sales and processing of ferroalloys and ores, and trading of metals and ferroalloy products. It operates through the following segments: Mining, Smelting, and Marketing and Trading. The Mining segment deals with the exploration and mining of manganese ore. The Smelting segment is involved with in the production of manganese ferroalloys and manganese sinter ore. The Marketing and Trading segment includes the trade of manganese ore, manganese ferroalloys and sinter ore, chrome ore and iron ore. OM Holdings was founded in 1994 and is headquartered in Singapore.