investment services, namely, asset acquisition, consultation, development, and management services; financing services; financing of industrial activities; consultancy concerning financing of energy projects; capital investment services; asset investment services; real estate investment services; investment management in the field of natural resources
Insurance and Financialoil and gas drilling; extraction of oil and gas; water well drilling
Building Construction and Repairoil production services; gas production services; water treatment services; water production services; technical consulting in the field of oil and gas production and processing
Treatment of Materials