IŚ SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

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

42.12.Z - Works related to the construction of railways and underground railways

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

42.22.Z - Works related to the construction of telecommunications and electrical lines

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

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