OPTEL Łukasz Ferdyn

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

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

43.11.Z - Demolition and destruction of buildings

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

43.91.Z - Masonry works

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

47.41.Z - Retail trade

47.42.Z - Retail trade

47.43.Z - Retail trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

49.41.Z - Road freight transport

58.11.Z - Publishing of books

58.12.Z - Publishing of newspapers

58.13.Z - Publishing of journals and periodicals

58.14.Z - Publishing activities

58.19.Z - Other publishing activities, excluding software publishing

58.21.Z - Publishing of computer games

58.29.Z - Publishing of other software

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

61.30.Z - Telecommunications

61.90.Z - Activities in other telecommunications fields

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

63.91.Z - Portal and search engine activities

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

64.99.Z - Other financial services, except insurance and pension funds, not elsewhere classified

65.12.Z - Other personal insurance and property insurance

66.12.Z - Brokerage activities related to securities and commodities markets

66.19.Z - Other activities supporting financial services, excluding insurance and pension funds

66.21.Z - Risk assessment and loss estimation activities

66.22.Z - Insurance agent and broker activities

66.29.Z - Activities supporting insurance and pension funds, not elsewhere classified

66.30.Z - Activities related to fund management

74.10.Z - Specialized design activities

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.12.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.21.Z - Repair and maintenance of electronic equipment for general use

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use

95.23.Z - Repair and maintenance of footwear and leather goods

95.24.Z - Repair and maintenance of furniture and household furnishings

95.25.Z - Repair and maintenance of clocks, watches, and jewelry

95.29.Z - Repair and maintenance of personal and household goods, not elsewhere classified

96.09.Z - Individual service activities