Operation of business for others, namely, energy intensive industrial processes and facilities; wholesale distributorship services in the field of electricity and natural gas; retail stores services featuring natural gas supply services; retail and wholesale stores services featuring excess electricity; business management of all building and commercial mechanical, electrical, and electronic systems for others; business management of mechanical construction projects and other construction projects for others; business consulting services for wholesale, industrial and commercial customers in the fields of design, maintenance, upgrade and operations of building automation systems, energy power monitoring and control, heating, ventilation and air conditioning (HVAC), lighting, electrical and environmental systems, power design and construction; procurement namely, purchasing of energy for others; business management of efficient use of energy; retail stores featuring indoor air quality improvement products, energy savings devices, heating, cooling and plumbing supplies; energy use management services for others; retail store services, on-line retail store services, and telephone order-taking services for others in the field of home appliances and electronics, humidifiers, indoor air quality systems, dehumidifiers, plumbing systems, electrical systems, surge protection systems, thermostats, and heating, ventilation and air conditioning equipment and systems; business marketing consultation services in the fields of aircraft and aircraft engines; billing services; operation of businesses for others, namely, energy intensive industrial processes and facilities, fuel processing and handling facilities, commercial and industrial utility systems, including electric, gas, steam, compressed air and chilled water; business management of energy facilities for others; retail appliance stores; retail stores featuring electronic equipment and devices; retail stores featuring heating and air conditioning equipment and related supplies; retail stores featuring plumbing equipment and supplies; wholesale store services, for the purchase or to otherwise acquire title to electric power and/or providing same to wholesale customers as a marketer at market-based rates; business marketing consultation in the field of power generation; business management of energy facilities for others; billing services, namely, providing consolidated billing summaries and administration of billing services; preparing customized business reports featuring energy savings data, energy profile development, energy profile benchmarking, rate analysis and verification; residential and commercial energy use management services; consultation services in the field of energy conservation and energy use management; consulting services, namely, advising energy consumers for the purpose of decreasing energy consumption and for the purpose of improving energy consumption efficiently; energy use management services, namely, formulating energy consumption plans to reduce energy costs and reduce risks associated with changing energy costs; providing energy auditing, namely, review and analysis of energy consumption; providing a website featuring information about energy use management and consumption; public utility consulting services, namely, assisting others in applying for the renewal of state and federal licenses related to nuclear power plants; consulting services in the field of nuclear energy, regarding the business aspects of the operation and management of nuclear power plants by public utilities