Located in St. Paul, Minn., Medical Graphics Corporation designs products and related software that assist health care professionals in the prevention, early detection and cost-effective treatment of heart and lung disease and the evaluation of sleep disorders. The company s pulmonary products consist of breath analysis technology, which is integrated with a computer and software. Its sleep diagnostic products consist of a recording system, which is integrated with a computer and software. The company s pulmonary systems are marketed worldwide, while the sleep diagnostic systems are marketed in the United States. The company has sold more than 3,800 MedGraphics systems to customers for use in over 45 countries. The company has been operational for more than 20 years.