25.21.Z - Production of central heating radiators, steam generators, and boilers
27.12.Z - Manufacture of electrical distribution and control apparatus
27.90.Z - Manufacture of other electrical equipment
28.25.Z - Manufacture of industrial refrigeration, ventilation, and air-conditioning equipment
28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified
33.14.Z - Repair and maintenance of electrical devices
33.19.Z - Repair and maintenance of other equipment and installations
33.20.Z - Installation of industrial machinery, equipment, and devices
35.11.Z - Generation of electricity from non-renewable sources
35.12.Z - Generation of electricity from renewable sources
35.13.Z - Transmission of electricity
35.14.Z - Distribution of electricity
35.22.Z - Distribution of gas fuels in a network system
35.23.Z - Trading of gas fuels in a network system
35.30.Z - Generation and supply of steam and air for air-conditioning systems
42.21.Z - Works related to the construction of transmission pipelines and distribution networks
42.22.Z - Works related to the construction of telecommunications and electrical lines
42.91.Z - Works related to the construction of water engineering objects
42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere
43.13.Z - Performing excavations and geological-engineering drilling
43.22.Z - Installation of plumbing, heating, and air-conditioning systems
43.29.Z - Specialized construction works
43.99.Z - Other specialized construction works, not classified elsewhere
46.90.Z - Non-specialized wholesale trade
49.41.Z - Road freight transport
64.91.Z - Financial leasing
64.99.Z - Other financial services, except insurance and pension funds, not elsewhere classified
66.19.Z - Other activities supporting financial services, excluding insurance and pension funds
68.10.Z - Real estate activities on own account and development of building projects
68.20.Z - Rental and management of own or leased real estate
70.22.Z - Head office activities and management consultancy
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
74.10.Z - Specialized design activities
74.90.Z - Other professional, scientific and technical activities, not elsewhere classified
77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified
82.99.Z - Other business support activities, not elsewhere classified
96.09.Z - Individual service activities
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane