Prosteel Piotr Sobolewski

33.12.Z - Repair and maintenance of machinery

28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified

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

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

43.35.Z - Performing other finishing construction works

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

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