Key Players
- BASF
- BENTELER International Aktiengesellschaft
- BM Catalysts Limited
- BOSAL
- Calsonic Kansei Corporation
- Deccats
- European Exhaust & Catalyst Ltd
- FORVIA (Faurecia)
- HJS Emission Technology GmbH & Co. KG
- Jetex Exhausts Ltd
- Katcon SA de CV
- Klarius Products Ltd
- Marelli
- Tenneco Inc
