Petroleum and fuels, namely, crude oil, natural gas, natural gas liquids, natural gasoline, gasoline and diesel; coal and fuel oil

Electrical power generators for commercial, residential or industrial applications

Business marketing services for others in the field of electricity; business marketing services for others in the field of petroleum, natural gas and related hydrocarbons

Brokerage services, namely, trading, buying and reselling of electricity, petroleum, natural gas and related hydrocarbons for others; brokerage services in the field of petroleum, natural gas and related hydrocarbons; brokerage services in the field of electricity

Extraction of petroleum, natural gas and related hydrocarbons

Transportation of petroleum, natural gas and related hydrocarbons via pipeline, rail or truck; storage of petroleum, natural gas and related hydrocarbons; transmission of electricity

Production of petroleum, natural gas and related hydrocarbons; generation and production of electricity; refining of crude oil and upgrading of crude oil, namely, treatment and processing of crude oil

Exploration for petroleum, natural gas and related hydrocarbons