crude oil and natural gas

marketing of energy related goods, namely, crude oil, alcohols, natural gas and related gases, namely, direct marketing for others in the field of crude oil, alcohols, natural gas and related gases

production, processing and treating of energy, namely, natural gas, petroleum and other related hydrocarbon products

exploration for petroleum, natural gas and related hydrocarbons and all other gases and substances, whether liquid or solid and whether hydrocarbons or not, produced in association with the petroleum and natural gas and related hydrocarbons