R & L Labs Inc

Established in 1988, Prairie Labs Inc. is a full-service manufacturer of hearing aids and related devices. Based in Hopkins, Minn., it offers a range of digital and analog hearing aid products. Some of its products include revolution RIC, monarch convertible OTE/BTE, Prairie songs CIC, Prairie songs BTE and liberty convertible BTE. Prairie Labs Inc. serves patients through a network of independent hearing aid dealers and audiology professionals located throughout the United States as well as Canada.

SurModics is a provider of surface modification and drug delivery solutions for the health care industry. One of SurModics core technology platforms is its patented drug delivery polymer matrix technology, which can be applied to medical devices to deliver pharmaceutical agents from the surface of a device to a targeted area of the body. For example, SurModics' Bravo drug delivery polymer matrix is used in the first-to-market drug eluting coronary stent and is being used in the I-vation Intravitreal implant. Another core surface modification technology platform is its patented PhotoLink process, which helps modify and enhance the surface characteristics of medical devices and biomedical applications improving performance and, in some cases, enabling the development of new products. The company also produces stabilization products used by manufacturers of immunoassay diagnostic tests to improve performance, stability and shelf life. SurModics is headquartered in Eden Prairie, Minn.

Unitron Hearing is a worldwide provider of digital hearing solutions. Founded in 1965, the company is committed to solving the everyday problems of people with hearing loss by designing easy-to-use digital hearing instruments. All hearing instruments are designed to increase the loudness of sounds reaching the eardrum so that people with hearing loss can better understand speech. Based in Kitchener, Canada, with operating centers in Australia, Canada, China, France, Germany, The Netherlands, New Zealand, United Kingdom and the United States, Unitron Hearing serves customers in more than 70 countries worldwide. Unitron Hearing has a location in Plymouth, Minn.