06.10.Z - Extraction of crude petroleum
06.20.Z - Extraction of natural gas
09.10.Z - Support activities for petroleum and natural gas extraction
19.20.Z - Manufacture of refined petroleum products and fossil fuel products
35.11.Z - Production of electricity from non-renewable sources
35.12.Z - Transmission of electricity
35.13.Z - Transmission of electricity
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
38.21.Z - Materials recovery
38.32.Z - Landfilling or permanent storage
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.91.Z - Construction of water projects
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
43.39.Z - Other building completion and finishing
43.99.Z - Other specialised construction activities n.e.c.
46.71.Z - Wholesale of motor vehicles
46.72.Z - Wholesale of motor vehicle parts and accessories
46.75.Z - Wholesale of chemical products
46.76.Z - Wholesale of other intermediate products
46.77.Z - Wholesale of waste and scrap
47.30.Z - Retail sale of automotive fuel
47.78.Z - Retail sale of other new goods
49.41.Z - Freight transport by road
49.50.A - Pipelines transportation of natural gas" or "gas pipeline transportation
49.50.B - Pipelines transportation of other goods
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy 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
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
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.
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
96.09.Z - Other personal service activities not elsewhere classified