Emdeon Corporation''s businesses are comprised of WebMD Health Corp. ViPS and Porex. WebMD provides health information services for consumers, physicians, healthcare professionals, employers and health plans through its public and private online portals and health-focused publications. ViPS provides healthcare analytics, technology and reporting that help government agencies and commercial health plans improve patient outcomes, customer satisfaction and cost savings. Porex is a developer, manufacturer and distributor of proprietary porous plastic products and components used in healthcare, industrial and consumer applications.