Financing of energy-related products such as furnaces, gas fireplaces, logs, carbon monoxide detectors, thermostats, grills, ranges and clothes dryers; public utility services in the nature of distribution and transportation of natural gas; purchasing and reselling of natural gas provided by others; storage, distribution, delivery, and transportation of propane; utility services, namely, wholesale and retail distribution of natural gas and propane; liquefied natural gas peaking services; administrative gas supply and related risk management services; design and maintenance of facilities for operating fleets of compressed natural gas vehicles; direct marketing services; insurance agency services in the field of hospitalization, accident, dental and life insurance; real estate development and investment services; underground cable and utility line locating and marking services