PJSC Aeroflot Russian Airlines is an international air transport company which is engaged in operations in Russia. The principal activity of Co. is the provision of passenger and cargo air transportation services both domestically and internationally and other aviation services from its base at Moscow Sheremetevo Airport. Co. and its subsidiaries also includes activities comprising airline catering, the operation of a hotel and insurance services. Associated undertakings mainly comprise hotel and duty-free retail businesses. The principal business segments are airline operations, airline catering, hotel operations and other.

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.

Tatneft PJSC and its subsidiaries are engaged in crude oil exploration, development and production principally in the Republic of Tatarstan, Russia. Co. is a holding structure, which incorporates oil and gas production boards, crude oil and gas refining companies, as well as enterprises and servicing works selling the crude oil and also the products of crude oil and gas refining and petrochemical products. In addition to this, Co. is also participating in the banking and insurance activities. Co.'s operations are divided into the following main segments: Exploration and Production; Refining and Marketing; and Petrochemicals.