About the company

ZIR - Systemy Projektowe has a well-established position in the market in terms of design, developed over decades. Throughout the company's existence, we have developed several hundred projects, concepts, simulation models and analyzes in the field of traffic engineering and the road and electrical industry. We carry out projects throughout Poland, but most of our activity is concentrated in the Śląskie Voivodeship and the neighboring voivodeships.

SP Info



Tel: +48 32 387 85 25

Internal number: 130

ZIR – Systemy Projektowe J. Dumnicki, J. Sylwestrzak – sp.j.

7 Przemysłowa
41-902 Bytom


NIP: 6262438019

Office Hours

Mon - Fri 8:00 – 16:00