These businesses install and supply office phone systems, PBX, intercoms, and related accessories. Services include system setup, maintenance, and training. Customers are typically offices, hotels, and factories needing internal and external communication networks.
MSIC - Section G: Wholesale and retail trade; repair of motor vehicles and motorcycles (28674)
G46 : Wholesale trade, except of motor vehicles and motorcycles (8609)
G465 : Wholesale of machinery, equipment and supplies (524)
G4652 : Wholesale of electronic and telecommunications equipment and parts (248)