STWI SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

71.12.Z - Engineering activities and related technical consultancy

22.21.Z - Manufacture of plastic plates, sheets, tubes, and profiles

22.23.Z - Manufacture of plastic doors and windows

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

37.00.Z - Sewerage and waste water treatment

38.21.Z - Material recovery

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

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

43.29.Z - Specialized construction works