78.30.Z - Employment activities
33.20.Z - Installation of industrial machinery, equipment, and devices
42.11.Z - Works related to the construction of roads and highways
43.11.Z - Demolition and destruction of buildings
43.12.Z - Site preparation for construction
43.29.Z - Specialized construction works
43.99.Z - Other specialized construction works, not classified elsewhere
78.10.Z - Employment placement and recruitment services
78.20.Z - Temporary employment agencies and other services related to employee leasing
81.22.Z - Other cleaning of buildings and industrial premises