Sylwester Błyk

90.01.Z - Performing arts activities

43.22.Z - Plumbing, heat and air-conditioning installation

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

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

59.11.Z - Motion picture, video and television programme production activities

59.20.Z - Sound recording and music publishing activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

74.20.Z - Photographic activities