DMCI Holdings is an engineering conglomerate in the Philippines, operating in construction, real estate, coal mining, nickel mining, power generation, and water distribution businesses. The activities of the company include construction-related businesses such as the production and trading of concrete products, exploration, mining, and development of coal resources, mining and selling nickel ore, residential development, power generation through coal-fired power plants and satellite power plants, and water services. It organizes its business into seven operating segments: constructions and others; coal mining; nickel mining; real estate; on-grid power; off-grid power; and water. It generates the majority of its revenue is generated from the coal mining segment.