industrial oils and greases; fuels; petroleum; crude petroleum; refined petroleum; petroleum jelly for industrial purposes; liquid, solid and gaseous fuels; motor fuel; gas, namely, fuel gas, coal gas and natural gas and liquid petroleum gas; electrical energy

import-export agencies, wholesale store services, retail store services, purchasing in the nature of distributorship services in relation to the purchase of energy and wholesale distributorships, all of the following for industrial oils and greases, fuels, petroleum, crude petroleum, crude oil, refined petroleum, refined oil, petroleum-based preparations, liquid, solid and gaseous fuels, motor fuel, gas, liquid petroleum gas and electrical energy; import-export agencies in the field of energy; procurement services, namely, procurement of contracts for others for the purchase of energy

drilling of deep oil or gas-wells; extraction of natural gas; oil and gas drilling; oil pumping and extraction; extraction of oil, gas and natural gas; refueling and fuel filling services for land vehicles

transport, delivery, packaging, and storage of industrial oils and greases, fuels, petroleum, crude petroleum, crude oil, refined petroleum, refined oil, petroleum-based preparations, liquid, solid and gaseous fuels, motor fuel, gas, liquid petroleum gas and electrical energy; distribution of energy

oil refinery services; processing of oil; oil and gas well treatment; production of energy; generation of energy; generation of power through operation of power generation equipment and facilities