- Design and execution, refurbishment or capital repairs of medium and high voltage power lines
- Design and execution, renovations and modernizations of electrical substations, power plants, substations
- Design and installation of electrical installations and industrial automation
- Design and execution overhead power lines of low, medium and high voltage 0.4 – 750 kV
- Refurbishment or capital repairs of electric transmission lines
- Electricity supply of new consumers who are connected to the SEN;
- Complete execution of high and medium voltage aerial electrical networks for the distribution and transmission of electricity
- Pole mounting and assembly
- Metal frames for electrical distribution and transmission lines
- Conductors for power distribution and transmission lines
- Special protections and data transmission conductors (OPGW/OP4G)