STF INFRASTRUKTURA SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

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

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

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

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