PRZEDSIĘBIORSTWO TELEKOMUNIKACYJNE "OPTOLAND" SPÓŁKA AKCYJNA

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

16.22.Z - Production of pre-finished wood flooring

16.23.Z - Production of other carpentry and joinery products for construction

17.23.Z - Production of paper articles

18.12.Z - Other printing

18.13.Z - Service activities related to printing preparation

20.30.Z - Manufacture of paints, varnishes, and similar coatings, printing inks and sealing compounds

22.15.Z - Manufacture of rubber and plastic products

22.22.Z - Manufacture of plastic packaging

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of (tele)communication equipment

26.51.Z - Manufacture of measuring, controlling, and navigation instruments

30.02.Z - Manufacture of other transport equipment

31.20.B - Manufacture of furniture

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

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

42.13.Z - Works related to the construction of bridges and tunnels

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

43.21.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

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

46.51.Z - Wholesale trade

46.65.Z - Wholesale trade

46.66.Z - Wholesale trade

46.69.Z - Wholesale trade

47.41.Z - Retail trade

47.42.Z - Retail trade

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

47.59.Z - Retail trade

47.76.Z - Retail sale of flowers, plants, fertilizers, pets, and pet food

47.78.Z - Retail sale of other new products

50.20.A - Sea and coastal freight transport

51.19.Z - Air transport

51.84.Z - Air transport

51.85.Z - Air transport

52.48.A - Warehousing, storage, and support activities for transport

52.48.G - Warehousing, storage, and support activities for transport

58.19.Z - Other publishing activities, excluding software publishing

58.21.Z - Publishing of computer games

58.29.Z - Publishing of other software

59.20.Z - Sound recording and music publishing activities

60.20.Z - Broadcasting of general-access and subscription-based television programs and distribution of video recordings

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

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

64.20 - Holding company activities and companies raising funds for other entities

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

72.10.Z - Scientific research and development in natural and technical sciences

72.2 - Scientific research and development in social sciences and humanities

72.50.Z - Scientific research and development activities

72.60.Z - Scientific research and development activities

74.10.Z - Specialized design activities

74.20.A - Photographic activities

74.20.C - Photographic activities

74.30.Z - Translation and interpretation activities

74.87.B - Other professional, scientific and technical activities

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

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

77.12.Z - Rental and leasing of trucks

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

77.40.Z - Leasing of intellectual property and similar products, excluding works protected by copyright

80.20.Z - Detective and security activities

82.91.Z - Activities of collection agencies and credit bureaus

82.99.Z - Other business support activities, not elsewhere classified

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

45.1

45.2

45.20.Z

45.3

45.4