Mariusz Grajewski Welding Services

25.22.Z - Production of other tanks, reservoirs, and metal containers

24.20.Z - Production of pipes, tubes, closed profiles, and fittings from steel

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

25.53.Z - Mechanical processing of metal parts

25.62.Z - Production of locks and hinges

30.11.Z - Manufacture of civilian ships and floating structures

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

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

33.16.Z - Repair and maintenance of civilian aircraft and spacecraft

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

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.24.Z - Installation of other building systems

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