Justyna Kowalczyk T.ANT

42.22.Z - Works related to construction of telecommunications and electricity lines

47.91.Z - Retail sale via mail order houses or via Internet

61.10.Z - Wired telecommunications activities

68.10.Z - Buying and selling of own real estate

68.20.Z - Rental and operating of own or leased real estate

70.22.Z - Business and other management consultancy activities

71.12.Z - Engineering activities and related technical consultancy

72.19.Z - Other research and experimental development on natural sciences and engineering

74.10.Z - Specialised design activities

74.20.Z - Photographic activities

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

82.11.Z - Office administrative service activities

82.19.Z - Photocopying, document preparation and other specialised office support activities

82.30.Z - Organisation of conventions and trade shows

85.59.B - Other out-of-school forms of education, not elsewhere classified