GEOBUDOWA SIECI GAZOWE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ (DAWNIEJ: WW GAZ - WEICHÖNIG SP. J.)

06.10.Z - Crude petroleum extraction

06.20.Z - Natural gas extraction

07.10.Z - Iron ore mining

07.2 - Mining of non-ferrous metal ores

08.1 - Extraction of stone, sand, and clay

08.9 - 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

35.1 - Generation, transmission, distribution of electricity, electricity trading

35.2 - Generation of gas fuels and distribution and trading of gas fuels in a network system

35.3 - Generation and supply of steam and air for air-conditioning systems

36.00.Z - Extraction, treatment, and supply of water

37.00.Z - Sewerage and waste water treatment

38.1 - Waste collection

38.2 - Waste recovery activities

38.3 - Waste disposal without recovery

39.00.Z - Activities related to reclamation and other waste management services

41.10.Z - Construction work related to the construction of residential and non-residential buildings

41.20.Z - Construction work related to the construction of residential and non-residential buildings

42.1 - Works related to the construction of roads and railways

42.2 - Works related to the construction of pipelines, telecommunications and electrical lines

42.9 - Works related to the construction of other civil engineering and water engineering objects

43.1 - Demolition and site preparation for construction

43.2 - Installation of electrical, plumbing, and other building systems

43.3 - Performing finishing construction works

43.9 - Other specialized construction works

49.50 - Pipeline transport

50.40.Z - Inland water transport of goods

52.10 - Warehousing and storage of goods

52.2 - Support activities for transport

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

68.3 - Real estate activities on behalf of third parties

81.10.Z - Auxiliary activities related to maintaining buildings

81.2 - Cleaning services

81.30.Z - Landscaping services

82.1 - Office administrative support activities, including related services

82.20.Z - Call center activities

82.30.Z - Activities related to organizing fairs, exhibitions, and congresses

82.9 - Other business support activities, not elsewhere classified