4 Energy commodities including natural gas, electricity, oil, coal and liquid fuels including liquified natural gas, propane, ethanol and diesel fuel.
9 Computer hardware and computer programs and manuals sold as a unit relating to energy consumption; switches, filters and device for use in connection with energy consumption.
11 Energy facilities and infrastructure including power plants, sub-stations, co-generation units and generators.
41 Design, consulting, marketing and quality control services for others in the field of facilities for energy generation, transmission, distribution, conversion, monitoring, measurement, use and control; business management and consultation and management assistance services in the field of energy generation, transmission and distribution facilities and infrastructure; construction of facilities and infrastructure which generate, transmit, distribute, convert, monitor, measure and control energy; operation and maintenance of facilities for energy generation, transmission, distribution, and conversion, and for monitoring, measuring, controlling, supplying and brokering energy; construction of heating and cooling systems; brokering and selling energy transportation and shipment.