41.20.Z - Construction work related to the construction of residential and non-residential buildings
25.62.Z - Production of locks and hinges
43.12.Z - Site preparation for construction
43.21.Z - Installation of electrical systems
43.39.Z - Specialized construction works
43.99.Z - Other specialized construction works, not classified elsewhere
63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services
78.10.Z - Employment placement and recruitment services