CESI is a global power consultant company and its services  cover all sectors in the electro-energy fields from generation, to transmission, distribution, end-use electiricity, as well as environment and renewable energies. 

LDK Consultants has been providing business and governments with specialist advice and consulting services since 1968. LDK operates worldwide from its offices in Greece, Romania, Cyprus, Belgium, Serbia and Kenya offering consultancy and engineering services to clients in over 70 countries.