33.12.Z - Repair and maintenance of machinery
25.11.Z - Manufacture of metal structures and parts of structures
25.29.Z - Manufacture of other tanks, reservoirs and containers of metal
25.62.Z - Mechanical working of metal elements
25.99.Z - Manufacture of other fabricated metal products not elsewhere classified
28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle and cycle engines
28.13.Z - Manufacture of other pumps and compressors
28.15.Z - Manufacture of bearings, gears, gearing and driving elements
33.11.Z - Repair and maintenance of fabricated metal products
33.15.Z - Repair and maintenance of ships and boats
33.20.Z - Installation of industrial machinery and equipment and outfit
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.91.Z - Works related to construction of water projects
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
77.32.Z - Rental and leasing of construction machinery and equipment
