JAN Usługi-Serwis Bartłomiej Jastrząb

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

33.12.Z - Repair and maintenance of machinery

33.15.Z - Repair and maintenance of civilian ships and boats

33.17.Z - Repair and maintenance of other civil transport equipment

33.19.Z - Repair and maintenance of other equipment and installations

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

41.00.B - Construction work related to the construction of non-residential buildings

42.91.Z - Works related to the construction of water engineering objects

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

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.50.Z - Specialized construction works in the field of civil and water engineering