J.M. Tele-informatyka Michał Janiak

43.21.Z - Installation of electrical systems

33.14.Z - Repair and maintenance of electrical devices

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

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

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.24.Z - Installation of other building systems

43.35.Z - Performing other finishing construction works

43.99.Z - Other specialized construction works, not classified elsewhere

47.40.Z - Retail sale of information and communication technology equipment

60.39.Z - Other content distribution activities

95.10.Z - Repair and maintenance of computers and telecommunications equipment

95.31.A - Mechanical repair and servicing of motor vehicles, excluding motorcycles