Global Investment Holdings engages in the port infrastructure, power/gas/mining, real estate, finance, and other businesses in Turkey. The Company operates cruise and commercial port facilities, as well as operates in energy production, renewable energy production, and feldspar mining businesses. It sells and distributes compressed natural gas, and designs, constructs, and operates turn-key small to mid-size power plants for industrial and commercial customers, as well as provides power generation solutions based on combined heat and power generation facilities.