INTER INSTAL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

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

33.14.Z - Repair and maintenance of electrical devices

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

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

46.52.Z - Wholesale trade

61.10.Z - Activities in the field of wired, wireless, and satellite telecommunications