35 import-export agencies, wholesale store services, retail store services, wholesale distributorship services, all 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; purchasing in the nature of procurement services, namely, procurement of contracts for others for the purchase of energy