The E.ON group conducts its business and revenue worldwide through the operation of several major subsidiaries located in certain countries. Ther's Nord Streal AG, Unipro, E.ON UK, E.ON Czech Holding, E.ON Beteiligungen, E.ON Business Services, E.ON Ceska republica, ED.G, E.ON Energie and Jihoceska plynarenska among the 100% subsidiaries of this energy group.