09.90.Z - Support activities for other mining and quarrying
25.11.Z - Manufacture of metal structures and parts of structures
33.12.Z - Repair and maintenance of machinery
43.13.Z - Test drilling and boring
43.99.Z - Other specialised construction activities n.e.c.
68.20.Z - Rental and operating of own or leased real estate
71.12.Z - Engineering activities and related technical consultancy
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.
78.30.Z - Other human resources provision
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms