PROVEN GROUP SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

16.10.Z - Sawmill products, wood processing and finishing

16.24.Z - Wood packaging production

23.61.Z - Production of concrete building products

25.11.Z - Production of metal constructions and their parts

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

42.91.Z - Works related to the construction of water engineering objects

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

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

46.1 - Wholesale trade conducted on behalf of others