I.T. IGOR TOMASZEWSKI

33.12.Z - Repair and maintenance of machinery

33.20.Z - Installation of industrial machinery, equipment, and devices

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.24.Z - Installation of other building systems

43.35.Z - Performing other finishing construction works

43.99.Z - Other specialized construction works, not classified elsewhere