measuring, signalling and monitoring equipment, namely, electrical and electronic communications transmission units for transmitting measuring and monitoring data of utility equipment; electrical and electronic remote control, remote metering and remote monitoring apparatus installations, namely, radio and powerline carrier transmitters and receivers, data transmitters, data recorders, data transducers, time encoders, long-range telemeters, teletransmitters; installations for monitoring and control of electricity, gas, water, oil, radio and television networks, comprising transmitters and receivers, bus systems, input/output units, interface and supervisory units for use in electricity, gas, water or oil supply networks, in radio and television transmission networks, where data can be collected, processed and analyzed; data transmission equipment, namely, computer computer hardware and equipment; data processors; software for use in energy management, metering, controlling and billing; apparatus for measuring and controlling of energy, namely, electricity meters, tariff meters for electricity, electric and electronic measuring transducers, heat meters, water meters, gas meters, energy accounting and monitoring units

installation, operation, optimization and maintenance of building equipment, industrial process equipment and utility equipment to improve energy efficiency and performance in buildings and utilities; construction supervision

tecnical consultation and services in the field of engineering, physics and data transmission to improve energy efficiency and performance in buildings and utilities; tecnical supervision and inspection in the field of building equipment, industrial process equipment and utility equipment