CEZ Group is a dynamic, integrated electricity conglomerate based in the Czech Republic and with operations in a number of countries of Central and Southeastern Europe and Turkey. Co. is an international group consisting of nearly 120 companies, Czech and foreign. Co.'s primary activities involve the production and transmission of electricity through nuclear, coal-fired and hydro power stations; production and distribution of heat and processing of secondary products generated during the production of electricity and heat as well as coal mining. Co. has operating companies in Poland, Bulgaria, Romania, the Netherlands, Ireland, Germany, Hungary, Albania, Turkey, Serbia, and Slovakia.

Eregli Demir Ve Celik Fabrikalari is engaged in the production of iron and steel rolled products, alloyed and non-alloyed iron, steel and pig iron castings, cast and pressed products, coke and their by-products.

Turk Hava Yollari is engaged in the airline industry with the airline flying to 103 destinations, throughout Turkey and internationally. As of the year end, Co. maintains 66 aircrafts with a total seat capacity of 10,672, and leases a A300-200 cargo aircraft. Co. has various services for their customers which include: various ways of checking in and on-line ticket sales.

Wizz Air Holding is a European airline. As of Mar 31 2017, Co. provided more than 500 routes from 28 bases, connecting 141 destinations across 42 countries. Co. has two reportable segments: the airline and the tour operator business units, marketed under the Wizz Air and Wizz Tours brand names, respectively. Wizz Air sells flight tickets and related services to external customers and, to an extent, to Wizz Tours. Wizz Tours sells travel packages to external customers covering the network of Wizz Air.