Founded in 1986, Nidek Medical Products Inc. is one of the leading manufacturers of oxygen concentrators. Based in Birmingham, Ala., the company sells its products to over 100 countries worldwide in various sectors, such as home care, hospital and industrial applications. A global innovator in oxygen concentrators and PSA technologies, Nidek Medical Products Inc. offers products, including Nuvo 8 and Nuvo Lite oxygen concentrators. Additionally, it offers Pulmo Mist nebulizers. The firm has distributors located in Germany, Columbia and India.