Fuel oil; industrial oil; alcohol-fuel; benzine fuel; biofuels; coal; carburants in the nature of fuels; fuel gas; liquid fuels; mineral fuels; electrical energy; natural gas

Oil-field exploitation for the extraction of oil, namely, installation of oil production apparatus; Construction of wind power plants; Construction of structures for the storage of natural gas; Construction of structures for the storage of crude oil; Construction of structures for the production of natural gas; Construction of structures for the production of crude oil; Hydro-electric factory construction; Construction of geothermal energy installations; Installation of electrical and generating machinery; Installation and maintenance of solar thermal installations; Electric appliance installation and repair; Maintenance of electronic apparatus; Drilling of wells; Repair or maintenance of power distribution or control machines and apparatus; gas station services for fuel filling

Distribution of energy; distribution of renewable energy; water distribution and supply; Distribution and transmission of electricity; distribution of gas

Rental of generators; electricity generating; generation of electricity from wind energy; processing of nuclear fuels; processing of fuel materials; generation of electricity from solar energy; energy production; gas and electricity production; nuclear fuel recycling; fuel refining; fuel materials refining; reprocessing of nuclear fuels; gas production services; gas processing services; water treatment and purification; waste treatment-transformation; nuclear waste treatment; processing of oil