OPTOSEM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

42.11.Z - Works related to the construction of roads and highways

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

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.29.Z - Specialized construction works

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.39.Z - Specialized construction works

43.99.Z - Other specialized construction works, not classified elsewhere

46.43.Z - Wholesale trade of electrical household goods

46.51.Z - Wholesale trade

46.52.Z - Wholesale trade

46.69.Z - Wholesale trade

46.73.Z - Wholesale trade of motorcycles and parts and accessories for them

46.74.Z - Wholesale trade

47.41.Z - Retail trade

47.42.Z - Retail trade

47.51.Z - Retail sale of textile products

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.53.Z - Retail sale of carpets, rugs, and other floor coverings, as well as wall coverings

47.54.Z - Retail sale of electrical household appliances

47.59.Z - Retail trade

47.71.Z - Retail sale of clothing

47.72.Z - Retail sale of footwear and leather goods

49.32.Z - Other road passenger transport, non-scheduled

49.41.Z - Road freight transport

49.42.Z - Moving services

52.10.B - Warehousing and storage of other goods

53.20.Z - Other postal and courier activities

61.10.Z - Activities in the field of wired, wireless, and satellite telecommunications

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

61.30.Z - Telecommunications

62.01.Z - Activities related to programming, IT consulting, and related activities

62.02.Z - Activities related to programming, IT consulting, and related activities

62.03.Z - Activities related to programming, IT consulting, and related activities

62.09.Z - Activities related to programming, IT consulting, and related activities

63.11.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

63.99.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

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

68.31.Z - Real estate brokerage

68.32.Z - Other real estate activities on behalf of third parties

71.11.Z - Architectural 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

74.30.Z - Translation and interpretation activities

77.11.Z - Rental and leasing of passenger cars and light motor vehicles

77.12.Z - Rental and leasing of trucks

77.32.Z - Rental and leasing of construction machinery and equipment

77.33.Z - Rental and leasing of office machinery and equipment, including computers

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

81.22.Z - Other cleaning of buildings and industrial premises

81.30.Z - Landscaping services

82.1 - Office administrative support activities, including related services

45.20.Z