25.61.Z - Treatment and coating of metals
33.11.Z - Repair and maintenance of fabricated metal products
96.09.Z - Other personal service activities not elsewhere classified
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
72.19.Z - Other research and experimental development on natural sciences and engineering
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.41.Z - Wholesale of textiles
46.14.Z - Agents involved in the sale of machinery, industrial equipment, ships and aircraft
43.99.Z - Other specialised construction activities not elsewhere classified
33.20.Z - Installation of industrial machinery and equipment and outfit
33.12.Z - Repair and maintenance of machinery
23.20.Z - Manufacture of refractory products
28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified
28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified
28.21.Z - Manufacture of ovens, furnaces and furnace burners
27.90.Z - Manufacture of other electrical equipment
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
25.99.Z - Manufacture of other fabricated metal products not elsewhere classified
25.62.Z - Mechanical working of metal elements
25.30.Z - Manufacture of steam generators, except central heating hot water boilers
25.11.Z - Manufacture of metal structures and parts of structures
23.43.Z - Manufacture of ceramic insulators and hollow insulators