Corning Incorporated invented the world's first cellular ceramic substrate more than four decades ago, and we continue to advance clean-air technologies today. Our ceramic substrates and particulate filters form the core of world-class pollution control systems for stationary and mobile applications, including light-duty vehicles, and heavy-duty on-road and non-road applications. Corning substrates and filters deliver consistent, reliable, and durable performance under demanding conditions. A global network of service, engineering, and manufacturing facilities provides quality products, market understanding, and dependable supply to our customers. Our materials and process expertise have made us key contributors to the campaign for clean air for more than forty years.