- Installation and maintainance electrical equipment, systems, devices, measuring, evaluating optical system installation, planning
- Optical system installation, planning, maintenance
- Wi-Fi system installation, planning, maintenance
- Microwave links installation (with licens or free frequency)
- Stands planning and installation
- Industrial control systems installation
- Lifting and placing heavy systems, calibrating level and flow measuring systems
- Other weak current systems maintaining and installing (CCTV, fire alarm and Access Control Systems)
