HYDROSYSTEM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

41.20.Z - Construction work related to the construction of residential and non-residential buildings

42.11.Z - Works related to the construction of roads and highways

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

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

43.29.Z - Specialized construction works

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

46.74.Z - Wholesale trade

45.11.Z