Hersa Engineering operates all over Brazil in the segments of services in Electrical, Civil, Mechanical, Hydralic Engineering and Special Systems..Area of operations-Building constructions and renovations, commercial and industrial retrofit, base and structure for equipments and underground infrastructure,Energy Transformer Substations, Energy Generator Systems, Medium and Low Tension Electric Instalations, Energy Efficiency Systems, Illumination, Grounding and Protection Against Atmospheric Discharges – SPDA.