06.20.Z - Natural gas extraction
06.10.Z - Crude petroleum extraction
08.91.Z - Extraction of minerals for the chemical industry and fertilizer production
08.99.Z - Other mining and quarrying, not elsewhere classified
09.10.Z - Service activities incidental to petroleum and natural gas extraction
09.90.Z - Service activities incidental to other mining and quarrying
19.20.Z - Manufacture and processing of petroleum refining products and products from fossil fuels
20.11.Z - Manufacture of industrial gases
20.59.Z - Manufacture of other chemical products, not elsewhere classified
23.99.Z - Production of other products from non-metallic mineral raw materials not classified elsewhere
35.21.Z - Generation of gas fuels
35.22.Z - Distribution of gas fuels in a network system
35.23.Z - Trading of gas fuels in a network system
38.21.Z - Material recovery
38.22.Z - Energy recovery
39.00.Z - Activities related to reclamation and other waste management services
41 - Construction work related to the construction of residential and non-residential buildings
43.12.Z - Site preparation for construction
43.13.Z - Performing excavations and geological-engineering drilling
43.99.Z - Other specialized construction works, not classified elsewhere
46 - Wholesale trade
46.71.Z - Wholesale trade of motor vehicles
47 - Retail trade
49 - Land transport and transport via pipelines
52 - Warehousing, storage, and support activities for transport
52.10.A - Warehousing and storage of cereals and oilseeds
56 - Food service activities
58 - Publishing activities
63 - Services related to computing infrastructure, data processing, website management (hosting), and other information services
64.20.Z - Holding company activities and companies raising funds for other entities
70.10.Z - Head office activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Scientific research and development activities
73 - Advertising, market research and public relations
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane