OPARA BUDOWNICTWO SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

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

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.39.Z - Specialized construction works

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