Aegean Airlines is an airline carrier based in Greece. Co. is engaged in aviation transportation, providing services that concern the transportation of passengers and commodities in the sector of public aviation transportation inside and outside Greece, conducting scheduled and unscheduled flights. Co. provides full service, premium quality short and medium haul services. Co. maintains a network of 145 destinations, 111 international in 45 countries and 34 domestic destinations. Co. is a member of global airline network, the Star Alliance network.

Autohellas is a Hertz national franchisee. Co. is engaged in the rent-a-car segment, comprising of renting (short-term lease) and fleet management (long-term lease and fleet management) in Greece, Bulgaria, Cyprus, Romania, Serbia and Montenegro. Renting covers the needs of both individuals and companies for occasional, small duration rentals up to 1 year long.

GEK Terna Holding Real Estate Construction is a real estate development group based in Greece. Co.'s main activity is the development and management of investment property, the construction of any kind, the management of self-financed or co-financed projects, the construction and management of energy projects, as well as its participation in companies having similar activities. Co. has a significant and specialized presence in construction, energy as well as in the development, management and exploitation of investment property having a strong capital base. Co. is also active in construction and quarry, the industrial segment, metal constructions, and producing skids from armed concrete.

Sistema is a telecommunications and technology investment group based in Russia. Co. invests in, and manages a range of companies which operate in the telecommunications, oil and energy, high technology, banking and other sectors. The main focus of Co.'s activities is service-based industries. Co.'s operations are organized along four segments: Telecommunications, Technology and Industry, Consumer Assets and Oil and Energy. Through its subsidiaries, Co.'s activities include: wireless telecommunications services , IT and systems integration, cable TV, manufacturing of radiotechnical equipment, oil, gas and energy production, banking activities, trading and investing and financing activities.