"SOUND SYSTEM" Przemysław Brzezek

33.20.Z - Installation of industrial machinery, equipment, and devices

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

33.14.Z - Repair and maintenance of electrical devices

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

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

47.41.Z - Retail trade

47.43.Z - Retail trade

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

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

74.10.Z - Specialized design activities

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.12.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles