AR treatment system (HVAC) - Electric / Automation;
Water Treatment Plant System - ETA - Electrical / Automation;
System Sewage Treatment Plant ETE - Electrical / Automation;
System Sewage Pumping - EEE - Electrical / Automation;
Bank of capacitors;
Industrial Electric System;
Complementary Electrical Systems (Security System, Fire, SPDA, Supervision and Automation, CCTV, Sound, Lighting Technique, Special Telecommunication Systems, Instrumentation and others).