GN Store Nord A/S engages in the telecommunications and hearing instruments business. It also engages in the development and manufacture of headsets and speaker phones for hands-free communications, hearing aids as well as audiological, otoneurologic, and vestibular instrumentation. It operates through the GN Netcom and GN ReSound segments. The GN Netcom segment develops and markets a broad range of wireless headsets and in-car speaker phones for mobile users and both wireless and corded headsets for contact centre and office-based users. The GN ReSound segment offers a full range of hearing aids and accessories. The company was founded by Carl Frederik Tietgen on June 1, 1869 and is headquartered in Ballerup, Denmark.