GN Store Nord A/S is a Danish manufacturer of hearing aids (GN ReSound/GN Hearing) and headsets (Jabra (GN Audio)).
The company was founded as The Great Northern Telegraph Company (Det Store Nordiske Telegrafselskab A/S) in Denmark in June 1869. It was set up as a merger of three recently established telegraph companies initiated by Danish industrial mogul Carl Frederik Tietgen. The aim of the firm was to create a worldwide telegraph company.