35 operation of cogeneration and other non-regulated electric generation facilities for others, operation of power generation equipment and facilities for others; providing accounting, computer data processing and database management, and marketing services in the field of generation, transporation and marketing of oil, gas, electricity and related energy for and to others; distributorship services and making available for acquisition power and its by-products for and to others, namely, power and its by-products generated from cogeneration diesel fuel, natural gas, oil natural gas liquids, liquefied petroleum gas, coal, and related energy sources, providing and arranging for long term natural gas, oil, natural gas liquids liquefied petroleum gas, petrochemicals and/or refined petroleum products supply contracts; and distributorship services in the field of natural gas, oil, natural gas liquids, liqefied petroleum gas and petrochemicals for others