MARCIN MAJCHROWSKI - "OPTINET".

62.90.Z - Other IT and computer-related services

01.19.Z - Other crop production not including perennials

01.29.Z - Cultivation of other perennial plants

01.49.Z - Crop and animal production, hunting and related service activities

01.61.Z - Service activities supporting crop production

01.62.Z - Service activities supporting animal husbandry

01.63.Z - Post-harvest services and seed processing for plant propagation

18.13.Z - Service activities related to printing preparation

18.20.Z - Reproduction of recorded media

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

26.11.Z - Manufacture of electronic components

26.12.Z - Manufacture of electronic printed circuits

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of (tele)communication equipment

26.40.Z - Manufacture of electronic consumer products

27.32.Z - Manufacture of other electronic and electric wire and cables

27.33.Z - Manufacture of installation equipment

27.51.Z - Manufacture of electric household appliances

27.52.Z - Manufacture of non-electric household appliances

27.90.Z - Manufacture of other electrical equipment

28.23.Z - Manufacture of office machinery and equipment, excluding computers and peripheral equipment

28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified

28.41.Z - Manufacture of metalworking machines and mechanical tools for metal

28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified

29.31.Z - Manufacture of electrical and electronic equipment for motor vehicles

29.32.Z - Manufacture of other parts and accessories for motor vehicles

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

33.17.Z - Repair and maintenance of other civil transport equipment

33.19.Z - Repair and maintenance of other equipment and installations

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

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

43.32.Z - Installation of building carpentry

46.43.Z - Wholesale trade of electrical household goods

46.51.Z - Wholesale trade

46.52.Z - Wholesale trade

46.69.Z - Wholesale trade

47.19.Z - Retail trade

47.41.Z - Retail trade

47.43.Z - Retail trade

47.54.Z - Retail sale of electrical household appliances

47.59.Z - Retail trade

47.78.Z - Retail sale of other new products

47.91.Z - Intermediary retail sale, non-specialized

49.31.Z - Scheduled road passenger transport

49.39.Z - Other land passenger transport, not elsewhere classified

49.41.Z - Road freight transport

52.21.Z - Support activities for land transport

55.90.Z - Other accommodation services

58.29.Z - Publishing of other software

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

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

45.11.Z

45.19.Z

45.20.Z

45.31.Z

45.32.Z

45.40.Z