Nittetsu Mining Co Ltd operates in the Crushed and broken limestone sector. Nittetsu Mining Co., Ltd. is a Japan-based mining company. The Company operates in three business segments. The Resources segment is involved in the mining, processing and sale of mineral resources, as well as the sale of processed mineral resources, non-flammable building materials, processed wooden products, such as limestone, quicklime, hydrated lime, calcium carbonate and copper ores, among others. The Machinery and Environmental segment is engaged in the purchase and sale of electrical equipment, chemicals for water treatment and machinery for mining, construction, pollution control, chemical and metal processing, among others. The Real Estate segment is involved in the purchase, sale, leasing, assessment and management of real estate. As of March 31, 2011, the Company had 25 subsidiaries and two associated companies. In our complete report available for purchase the company is compared to: Shinagawa Refractories Co Ltd, P.S. Mitsubishi Construction Company Limited and Asunaro Aoki Construction Company Limited.