U.S. "WELD" Mariusz Obara

25.53.Z - Mechanical processing of metal parts

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

25.21.Z - Production of central heating radiators, steam generators, and boilers

25.40.Z - Forging, pressing, stamping, and powder metallurgy

25.51.Z - Coating of metals

25.52.Z - Heat treatment of metals

25.99.Z - Manufacture of other ready-made metal products not elsewhere classified

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

33.11.Z - Repair and maintenance of metal products

33.15.Z - Repair and maintenance of civilian ships and boats

33.18.Z - Repair and maintenance of military combat vehicles, ships, boats, aircraft, and spacecraft

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

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

43.21.Z - Installation of electrical systems

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

43.23.Z - Installation of insulation

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.50.Z - Specialized construction works in the field of civil and water engineering

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

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

70.20.Z - Business and management consultancy activities

71.12.B - Engineering activities and related technical consultancy

71.20.C - Other technical testing and analysis

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.59.D - Other non-school forms of education, not classified elsewhere