Zenon Maśnica

25.30.Z - Manufacture of steam generators, except central heating hot water boilers

25.11.Z - Manufacture of metal structures and parts of structures

25.12.Z - Manufacture of metal elements of building woodwork

25.62.Z - Mechanical working of metal elements

25.91.Z - Manufacture of metal containers

35.30.Z - Steam, hot water and air conditioning manufacturing and supply

43.11.Z - Demolition

43.12.Z - Site preparation

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning installation

43.31.Z - Plastering

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

49.41.Z - Freight transport by road