Installation, operation and servicing of pipes, valves, meters, trucks, tanks and storage vessels used in the supply of natural and liquefied petroleum gas to residential, commercial and industrial users; transporting natural and liquefied petroleum gas to commercial and industrial users by pipeline, truck or rail; financial services, namely, financing purchase and rental contracts for merchandise and equipment; the financing, service and installation of natural gas vehicle equipment and accessories; production, generation, co-generation, distribution, transportation, transmission, storage, treatment, management, conservation and brokering of petroleum, refined petroleum products, natural and liquefied gas, electrical energy, oil, propane and water on behalf of others; consultation, promotion, research and development, and third party billing, provided to others in relation to petroleum, refined petroleum products, natural and liquefied gas, electrical energy, oil, propane and water; sale, rental, servicing, installation, provision of service plans, financing and warranty services for equipment and supplies for use in the production, generation, co-generation, distribution, transportation, transmission, storage, management, conservation, research and development and consumption of water resources and energy resources, including natural gas and natural gas liquids, refined products, electricity, oil and propane; energy monitoring and analysis; evaluation services to determine efficiency of energy use and remedial maintenance services to increase efficiency and performance; technical training and assistance to optimize use of available technologies; telecommunications and multimedia services, namely, providing interactive Internet, electronic, video, audio and written text training materials in relation to the petroleum industry; in-plant financing; and financial services in relation to all of the aforesaid services; operation of pipelines, namely, transporting crude oil, natural gas, hydrocarbons and other liquids by pipeline; delivery of natural gas to consumers by rail, truck and pipeline; pipeline maintenance services; operation of truck and marine terminals, and gas and liquid hydrocarbon terminals; public utility services, namely, electricity, gas and water; water and electric utility services; general contracting services; electrical contracting services; loan financing services; construction, repair and maintenance of residential and commercial buildings; commercial building renovation and repair services; construction and installation of pipelines; water and oil drilling; distribution of water to commercial and residential consumers by pipeline or truck; water treatment; oil and gas mining exploration; consultation and research in the field of energy; mechanical engineering services; online commodity trading services; brokerage of commodities; computer services, namely, custom design of computer software and systems for the management and maintenance of pipelines and for training in the management and maintenance of pipelines; consulting services in the field of computer systems and software for the operation, maintenance, design and technology of pipelines; consulting services in the field of pipeline operations, maintenance, efficiency and safety; training and education services, namely, seminars and training sessions in the field of pipeline operations, maintenance, efficiency, management and safety; providing an electronic customer service portal and related internet and mobile applications in the field of oil and gas