85.60.Z - Educational support activities
42.11.Z - Works related to construction of roads and motorways
42.12.Z - Works related to construction of railways and underground railways
42.22.Z - Works related to construction of telecommunications and electricity lines
42.91.Z - Works related to construction of water projects
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
49.41.Z - Freight transport by road
77.32.Z - Rental and leasing of construction machinery and equipment
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
85.59.B - Other out-of-school forms of education, not elsewhere classified
