ETL Consulting Wojciech Polesiak

62.02.Z - Computer consultancy activities

47.19.Z - Other retail sale in non-specialised stores

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

59.20.Z - Sound recording and music publishing activities

62.01.Z - Computer programming activities

62.03.Z - Computer facilities management 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

74.20.Z - Photographic activities