e-nergy Jan Lesiak

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

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

47.99.Z - Other retail sale not in stores, stalls or markets

62.01.Z - Computer programming activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

63.99.Z - Other information service activities not elsewhere classified

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

73.12.D - Intermediation in the sale of the place on advertising aims in other media

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