4 Petroleum; petroleum products; fuel gas; natural gas; propane; fuel oil.
7 Petroleum, fuel oil, fuel gas, natural gas and propane energy co-generation equipment; petroleum, fuel oil, fuel gas, natural gas and propane energy conservation equipment.
9 Fuel consumption measuring apparatus; fuel meters; fuel flow measurement apparatus; fuel gauges; fuel level indicators; fuel regulating apparatus; fuel dispensing pumps; control devices and regulators; power line monitoring systems; power meters; power regulating and safety apparatus and devices.
11 Heating, ventilating and air conditioning equipment; safety devices for gas pipes.
35 Information and advisory services with regard to billing analysis and price risk management.
36 Equipment and plant financing and leasing; information and advice with regard to such financing and leasing.
37 Pipeline construction and maintenance; electric, oil and gas equipment and gas supply equipment installation, maintenance and repair; installation, maintenance and repair of heating, ventilating, air conditioning and lighting equipment; information with regard to the foregoing construction, maintenance, installation and repair services.
39 Oil and gas supply and distribution services; fuel filling services; transport by pipeline.
42 Safety testing of equipment; industrial research, development and testing of equipment; technology consultation services; oil and gas analysis services; advice regarding environmental and safety matters and regulatory requirements and considerations with regard to those matters; information and advice with regard to the foregoing testing, research, development, consultation and analysis services. Advice with regard to pipeline construction, maintenace, installation and repair.