Home About company History Cadre Company data Realizations During Realized Services Power engineering Construction Measurement Design office Devices Converters Traction devices Job offers contact Home 21 YEARS OF ACTIVITY 71 years of tradition Comprehensive implementation Check it out The high quality of the services provided is essential for the partners to be satisfied with our company. Our specialized equipment enables us to provide comprehensive services for investment works. ZSiZ has been dealing with the design, construction, operation and maintenance of electricity and energy infrastructure for many years. © 2016 Zakład Sieci i Sieci sp. Z oo ↑