ADM Tronics Unlimited (also known as Aurillac) is a company that manufactures electronic medical device components, assemblies, and complete systems. It offers electrical engineering, software engineering, mechanical engineering, industrial design, prototyping, and contract manufacturing. The company also provides proprietary electronic medical devices such as a respiratory therapy and training platform Alvio, a hearing protection device Tinnitus Shield, a non-invasive medical device for the treatment and control of tinnitus Aurex-3, and a non-invasive electrotherapy technology for pain treatment Sonotron.