Telecommunication services, namely, telecommunications consultation

Electric cables; optical cables; fibre optics; underwater power cables; underwater optical cables; electrical terminations for cables; transformers; multiplexers; umbilical cables, namely specialized cables for the transport of electricity and data together with fluids; electrical switches; modems; optical switches; main grids and grid stations for the production and supply of electric energy including electric energy supply networks, namely, electricity distribution consoles; apparatus and instruments for the supervision, remote control, control and measurement of electricity and energy consumption and for the automatic functioning of power generating plants, namely, electrical and optical current sensors, electrical and optical voltage sensors, electrical and optical current volume gauges; electrical connectors; fiber optical connectors; transformers for the supply of electricity and energy; data processing apparatus; solar cells and solar batteries for the generation of electricity and energy; electronic earth monitoring instruments, namely, electrical conductivity monitor for monitoring conductor ampacity in transmission lines; electric sensors and alarm installations for industrial purposes and for use in the generation and supply of energy; telecommunication base stations; fiber optic transceivers; telecommunications equipment, namely fiber optic repeaters; fiber optic connectors; telecommunications equipment, namely fiber optic optimizers; fiber optic interconnection cable; fiber optic couplings; fiber optic cable modems; optical fiber telecommunications apparatus, namely, optical fiber cables; junction sleeves for fiber optics; protective sheaths for fiber optical cables

Building construction and repair; Construction and repair of electrical systems, and electric  power lines; Construction and repair of underwater electric power lines; Construction and repair of underwater fiber optic lines; construction and repair of pipelines, Construction and repair of pumps; construction and repair for electric and fiber optic cables; construction and repair of power plants and power stations; construction and repair of electric energy supply networks hardware and apparatus; laying of cables; laying of underwater cables; laying of underground cables; installation of telephone cables; laying of land cables; installation of hardware and cables for internet access

Distribution and transmission of electricity