71.12.Z - Engineering activities and related technical consultancy
08.11.Z - Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate
08.91.Z - Mining of minerals for chemical industry and for production of fertilizers
08.99.Z - Other mining and quarrying not elsewhere classified
09.90.Z - Support activities for other mining and quarrying
38.21.Z - Treatment and disposal of non-hazardous waste
38.32.Z - Recovery of sorted materials
39.00.Z - Remediation activities and other waste management services
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.99.Z - Other specialised construction activities not elsewhere classified
70.22.Z - Business and other management consultancy activities
71.20.B - Other technical testing and analysis
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
