Otoharmonics Corporation is a privately held company with headquarters in Portland, Oregon USA. An international team of world–class neuroscientists, clinicians, business professionals and patients, Otoharmonics has developed the patented Levo System for the management of tinnitus symptoms. With a personal approach and a deep understanding of the impact tinnitus can have, Levo is designed to be user-friendly and capable of delivering custom sound therapy based on the specific needs of the individual. Otoharmonics and Levo are registered trademarks of Otoharmonics Corporation.