33.12.Z - Repair and maintenance of machinery
33.14.Z - Repair and maintenance of electrical equipment
33.19.Z - Repair and maintenance of other equipment
33.20.Z - Installation of industrial machinery and equipment
35.14.Z - Distribution of electricity
35.21.Z - Manufacture of gas
35.22.Z - Distribution of gaseous fuels through mains
35.23.Z - Trade of gas through mains
35.30.Z - Steam and air conditioning supply
36.00.Z - Water collection, treatment and supply
37.00.Z - Sewerage
38.11.Z - Collection of non-hazardous waste
38.12.Z - Collection of hazardous waste
38.21.Z - Materials recovery
38.22.Z - Energy recovery
38.31.Z - Incineration without energy recovery
38.32.Z - Landfilling or permanent storage
39.00.Z - Remediation activities and other waste management service activities
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Construction of roads and motorways
42.12.Z - Construction of railways and underground railways
42.13.Z - Construction of bridges and tunnels
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.32.Z - Joinery installation
43.99.Z - Other specialised construction activities n.e.c.
52.21.Z - Service activities incidental to land transportation
68.20.Z - Rental and operating of own or leased real estate
70.22.Z - Business and other management consultancy activities
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering
77.12.Z - Rental and leasing of trucks
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.
80.20.Z - Security systems service activities
81.29.Z - Other cleaning activities
81.30.Z - Landscape service activities
85.32.A - Technology
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
