Marcin Wołczyk, Adam Wołczyk, Piotr Wołczyk, Krzysztof Wołczyk HARTMAK spółka cywilna

25.61.Z - Production of cutlery and knives

25.11.Z - Production of metal constructions and their parts

25.29.Z - Production of fabricated metal products, excluding machinery and equipment

25.50.Z - Metalworking and coating of metals, mechanical processing of metal parts

25.62.Z - Production of locks and hinges

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

42.13.Z - Works related to the construction of bridges and tunnels

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

43.91.Z - Masonry works

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

46.76.Z - Wholesale trade