The Emission Control Catalysts Market comprises major players such as BASF catalyst (Germany), Johnson Matthey (UK), Umicore (Belgium), Tenneco (US), Cataler (Japan), Heraeus (Germany), Bosal (Netherlands), Clean Diesel Technologies (US), Cormetech (US), DCL International Inc. (Canada), Hitachi Zosen Corporation (Japan), IBDIEN (Austria), Interkat (Germany), Kunming Sino-Platinum Metals Catalyst (China), Nett Technologies (Japan), NGK Insulators (Japan), Shell Global (Netherlands), Sinocat (China), and Zelolyst International (US).