DMCI Holdings, Inc., through its subsidiaries, engages in general construction, coal and nickel mining, power generation, real estate development, water concessionaire, and manufacturing businesses. The company operates through seven business units: Construction and Others, Coal Mining, Nickel Mining, Real Estate, On-Grid Power, Off-Grid Power, and Water. It constructs various projects comprising high-rise, commercial, and residential buildings, institutional facilities, heavy civil works, roads, bridges, power plants, industrial plants, and water and sewer facilities.