accounting services and marketing services, namely, bookkeeping, billing and payment, computer data processing and database management, market analysis, research and arranging for the distribution of oil, gas, electricity and related energy commodities for others; and, wholesale distributorship in the field of natural gas and electricity, management of fixed-price natural gas risk management contracts; operation of the business for others, namely, operating cogeneration and electricity genera...

Fuels, namely, propane, butane, ethane, natural gas, natural gas liquids and petroleum coke; crude oil, all-purpose lubricating oil, synthetic oil for industrial use; and gasoline