brokerage of energy, namely, natural gas, liquid natural gas, and oil, to industrial, electcric generation, commercial [ and location distribution ] customers

[ utility services in the nature of distribution of energy, namely, natural gas and electricity; ] transportation and storage of natural gas, propane, carbon dioxide, gasoline, diesel, jet fuel, [coal, ] and fuel oil by pipeline and barge; operation of bulk terminals for storage of bulk products, namely, [ petroleum, ] coke, petcoke, coal, salt, grain, petrochemicals, steel coils, scrap metal, cement, aluminum materials, mulch, and sand, for others [ ; utility services, namely, transmission of electricity ]

natural gas, propane and oil production and processing services [ ; generation of electricity ]