ECO-PROTON SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle, and motorcycle engines

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

43.12.Z - Site preparation for construction

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

43.39.Z - Specialized construction works

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