IGNIF PIOTR MIELAŃCZUK

28.21.Z - Manufacture of stoves, furnaces, and other heating appliances for households

23.70.Z - Cutting, shaping, and finishing of stone

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

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

25.61.Z - Production of cutlery and knives

25.62.Z - Production of locks and hinges

25.91.Z - Production of metal containers

25.92.Z - Production of packaging from non-ferrous metals

25.93.Z - Production of wire, chains, and springs

28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified

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

43.32.Z - Installation of building carpentry

43.39.Z - Specialized construction works

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

46.90.Z - Non-specialized wholesale trade

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.59.Z - Retail trade

47.78.Z - Retail sale of other new products

47.91.Z - Intermediary retail sale, non-specialized

49.41.Z - Road freight transport

63.11.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

64.92.Z - Other forms of credit granting

66.19.Z - Other activities supporting financial services, excluding insurance and pension funds

45.11.Z