MEW Marek Wiencek

43.21.Z - Installation of electrical systems

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

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

33.20.Z - Installation of industrial machinery, equipment, and devices

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

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

43.29.Z - Specialized construction works

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

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

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade