Top 10 Companies in the Mobile Emissions Control Catalysts Industry (2025): Market Leaders Powering Cleaner Transportation

In Business Insights
November 16, 2025


The Global Mobile Emissions Control Catalysts Market was valued at USD 14.2 Billion in 2023 and is projected to reach USD 20.1 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2024–2030). This robust growth is fueled by stringent global emission regulations, the rapid expansion of the automotive sector in emerging economies, and the accelerating transition to electric and hybrid vehicles that still require catalytic aftertreatment systems.

As governments worldwide implement stricter Euro 7, China 6, and Bharat Stage VI norms, the demand for advanced catalyst technologies is surging. In this dynamic landscape, a handful of chemical and materials science giants are leading the charge. This blog profiles the Top 10 Companies in the Mobile Emissions Control Catalysts Industry—specialists in platinum group metals, catalyst formulation, and substrate manufacturing that are essential for cleaning exhaust gases from millions of vehicles.


🔟 1. Johnson Matthey

Headquarters: London, United Kingdom
Key Offering: Three-way Catalysts (TWC), Diesel Oxidation Catalysts (DOC), Selective Catalytic Reduction (SCR) Catalysts

Johnson Matthey is a global leader in sustainable technologies, with a long-standing heritage in autocatalysts. The company develops advanced catalyst formulations for gasoline, diesel, and hybrid vehicles, focusing on reducing nitrogen oxides (NOx), carbon monoxide (CO), and hydrocarbons (HC). Their technologies are critical for helping automakers meet the world’s most demanding emission standards.

Sustainability Initiatives:

  • Pioneering eLNO® battery cathode materials for electric vehicles

  • Commitment to carbon neutrality in operations by 2040

  • Advanced development of catalysts for hydrogen fuel cell vehicles

Download FREE Sample Report: Mobile Emissions Control Catalysts Market – View in Detailed Research Report


9️⃣ 2. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: FWC™ Four-way Conversion catalysts, SCR on Filter (SCRoF), Ammonia Slip Catalysts (ASC)

BASF’s Catalysts division is a powerhouse in emissions control, offering a comprehensive portfolio for light-duty and heavy-duty vehicles. The company is at the forefront of integrating multiple aftertreatment functions into single, compact units to improve efficiency and reduce costs for automotive manufacturers.

Sustainability Initiatives:

  • Development of innovative catalyst technologies to reduce precious metal loadings

  • Focus on creating circular economy solutions for catalyst recycling

  • Investment in R&D for emission control in new powertrain architectures


8️⃣ 3. Umicore

Headquarters: Brussels, Belgium
Key Offering: Automotive Catalysts, Catalytic Coatings, Battery Materials

Umicore is a global materials technology and recycling group. Its catalysis business unit provides cutting-edge solutions for cleaner mobility, leveraging its expertise in precious metals management and circular economy models. The company is a key supplier to major automotive OEMs worldwide.

Sustainability Initiatives:

  • World’s largest recycler of precious metals from spent autocatalysts

  • Commitment to carbon-neutral operations by 2035

  • Development of low-PGM and PGM-free catalyst technologies


7️⃣ 4. Clariant

Headquarters: Muttenz, Switzerland
Key Offering: Molecular Sieves, Zeolite-based SCR Catalysts, Adsorbents

Clariant is a specialty chemicals company with a strong focus on catalyst technologies. Its innovative zeolite-based solutions are critical for Selective Catalytic Reduction systems in diesel engines, effectively breaking down harmful NOx emissions into harmless nitrogen and water.

Sustainability Initiatives:

  • EcoCircle initiative for catalyst recycling and circularity

  • Development of high-performance catalysts for biofuel and synthetic fuel applications

  • Focus on reducing the environmental footprint of catalyst production

Download FREE Sample Report: Mobile Emissions Control Catalysts Market – View in Detailed Research Report


6️⃣ 5. Corning Incorporated

Headquarters: Corning, New York, USA
Key Offering: Celcor® Cellular Ceramic Substrates, DuraTrap® AT Filters

While not a catalyst formulator, Corning is an indispensable player in the ecosystem as the leading manufacturer of ceramic substrates and filters. These high-surface-area structures are the essential foundation upon which catalytic coatings are applied, enabling the chemical reactions that clean exhaust gases.

Sustainability Initiatives:

  • Continuous innovation in substrate design for lower backpressure and improved conversion efficiency

  • Development of lightweight, durable substrates to improve vehicle fuel economy

  • Investment in advanced manufacturing processes to reduce energy consumption


5️⃣ 6. Solvay

Headquarters: Brussels, Belgium
Key Offering: Rare Earth Stabilizers, Cerium-Zirconium Mixed Oxides, Catalyst Supports

Solvay provides critical materials that enhance the performance and durability of emissions control catalysts. Its cerium-zirconium-based materials are essential oxygen storage components in Three-Way Catalysts, enabling them to work effectively under varying engine conditions.

Sustainability Initiatives:

  • Development of advanced materials to reduce precious metal usage in catalysts

  • Commitment to sustainable sourcing of rare earth elements

  • Investment in bio-based and circular economy solutions for chemical production


4️⃣ 7. Haldor Topsoe

Headquarters: Lyngby, Denmark
Key Offering: DENOX™ SCR Catalysts, SOX Catalysts, Emission Control Technologies

Haldor Topsoe is a world leader in catalysis and surface science, with deep expertise in chemical processes. The company provides high-performance catalysts primarily for heavy-duty diesel applications, including trucks, buses, and off-road equipment, helping to meet stringent NOx reduction targets.

Sustainability Initiatives:

  • Pioneering technologies for carbon capture and utilization

  • Development of catalysts for green hydrogen production

  • Commitment to powering all operations with renewable energy by 2025


3️⃣ 8. NGK Insulators, Ltd.

Headquarters: Nagoya, Japan
Key Offering: Honeycomb Ceramic Substrates, Diesel Particulate Filters (DPF), SCR Catalysts

NGK is a global leader in ceramic engineering and the primary competitor to Corning in the substrate market. The company manufactures advanced ceramic substrates and particulate filters that are essential components in modern exhaust aftertreatment systems across all vehicle types.

Sustainability Initiatives:

  • Development of next-generation filters with improved soot burning capability

  • Investment in ceramic technologies for energy storage and efficiency

  • Focus on reducing the carbon footprint of manufacturing processes


2️⃣ 9. Cataler Corporation

Headquarters: Shizuoka, Japan
Key Offering: Automotive Catalysts, Motorcycle Catalysts, Industrial Catalysts

Cataler Corporation is a specialized catalyst manufacturer with a strong presence in the Asian automotive market. The company develops and produces a wide range of catalyst products for various applications, with a particular focus on technologies for motorcycles and small engines, which represent a significant source of emissions in developing economies.

Sustainability Initiatives:

  • Development of cost-effective catalyst solutions for emerging markets

  • Focus on improving catalyst durability and performance under challenging operating conditions

  • Investment in R&D for next-generation emission control technologies


1️⃣ 10. Clean Diesel Technologies (CDTi)

Headquarters: Canton, Massachusetts, USA
Key Offering: Advanced Platinum Group Metal (PGM) Catalysts, Spinel-based Catalysts, Emission Control Systems

Clean Diesel Technologies, now part of the Ecocat Group, specializes in advanced catalyst formulations that maximize performance while minimizing precious metal content. The company’s innovative approaches include mixed metal oxide catalysts that can reduce dependence on expensive platinum group metals.

Sustainability Initiatives:

  • Pioneering PGM-free catalyst technologies for cost and sustainability benefits

  • Development of advanced coating technologies for improved catalyst efficiency

  • Focus on creating modular, scalable emission control solutions

Get Full Report Here: Mobile Emissions Control Catalysts Market – View in Detailed Research Report


🌍 Outlook: The Future of Mobile Emissions Control is Smarter and More Integrated

The mobile emissions control catalysts market is undergoing a fundamental transformation. While traditional internal combustion engines will remain dominant for years, the industry is rapidly adapting to hybrid, electric, and hydrogen fuel cell technologies that require new approaches to emission control.

📈 Key Trends Shaping the Market:

  • Integration of multiple aftertreatment functions into compact, cost-effective systems

  • Development of catalysts for gasoline particulate filters (GPFs) as gasoline direct injection becomes standard

  • Rising demand for emission control in non-road mobile machinery and marine applications

  • Accelerating research into catalysts for hydrogen engines and fuel cells

Get Full Report Here: Mobile Emissions Control Catalysts Market – View in Detailed Research Report

The companies listed above are not only enabling regulatory compliance—they’re driving the technological innovation that will make transportation cleaner and more sustainable for generations to come.