42.22.Z - Works related to construction of telecommunications and electricity lines
43.29.Z - Other construction installation
85.52.Z - Out-of-school forms of cultural education
85.51.Z - Out-of-school forms of sports and leisure education
81.22.Z - Specialised building and industrial cleaning activities
81.10.Z - Buildings service support activities
71.12.Z - Engineering activities and related technical consultancy
71.11.Z - Architectural activities
62.09.Z - Other information technology and computer service activities
61.90.Z - Other telecommunications activities
61.10.Z - Wired telecommunications activities
56.29.Z - Other food service activities
55.90.Z - Other accommodation
55.30.Z - Camping grounds (including grounds for camping vehicles), and campsites
55.20.Z - Holiday and other short-stay accommodation
46.90.Z - Non-specialised wholesale trade
46.77.Z - Wholesale of waste and scrap
33.12.Z - Repair and maintenance of machinery
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.13.Z - Works related to construction of bridges and tunnels
42.12.Z - Works related to construction of railways and underground railways
42.11.Z - Works related to construction of roads and motorways
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
39.00.Z - Remediation activities and other waste management services
38.32.Z - Recovery of sorted materials
38.21.Z - Treatment and disposal of non-hazardous waste
33.14.Z - Repair and maintenance of electrical equipment