P.P.U.H. INTERCAL JANUSZ SEKLECKI

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

25.11.Z - Production of metal constructions and their parts

25.29.Z - Production of fabricated metal products, excluding machinery and equipment

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

33.11.Z - Repair and maintenance of metal products

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

35.11.Z - Generation of electricity from non-renewable sources

35.12.Z - Generation of electricity from renewable sources

35.13.Z - Transmission of electricity

35.14.Z - Distribution of electricity

38.32.Z - Waste disposal in landfills

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

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

43.29.Z - Specialized construction works

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

46.63.Z - Wholesale trade of machines used in mining, construction, and civil and water engineering

49.41.Z - Road freight transport

71.12.Z - Engineering activities and related technical consultancy