06.10.Z - Extraction of crude petroleum
06.20.Z - Extraction of natural gas
08.91.Z - Mining of chemical and fertiliser minerals
09.10.Z - Support activities for petroleum and natural gas extraction
09.90.Z - Support activities for other mining and quarrying
19.20.Z - Manufacture of refined petroleum products and fossil fuel products
20.11.Z - Manufacture of industrial gases
20.13.Z - Manufacture of other inorganic basic chemicals
20.14.Z - Manufacture of other organic basic chemicals
20.59.Z - Manufacture of other chemical products n.e.c.
33.20.Z - Installation of industrial machinery and equipment
35.1 - Electric power generation, transmission and distribution
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
35.2 - Manufacture of gas, and distribution of gaseous fuels through mains
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
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.
43.13.Z - Test drilling and boring
43.22.Z - Plumbing, heat and air-conditioning installation
49.50.A - Pipelines transportation of natural gas" or "gas pipeline transportation
49.50.B - Pipelines transportation of other goods
52.10.A - Storage and warehousing of cereals and oilseeds
52.10.B - Storage and warehousing of other goods
66.19.Z - Other activities auxiliary to financial services, except insurance and pension funding
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
72.11.Z - Research and experimental development on biotechnology
72.19.Z - Other research and experimental development on natural sciences and engineering
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
