4M PLUS SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

27.90.Z - Manufacture of other electrical equipment

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

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

43.21.Z - Installation of electrical systems

43.39.Z - Specialized construction works

46.52.Z - Wholesale trade

47.91.Z - Intermediary retail sale, non-specialized

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