Top 10 Companies in the Global and United States Reduction(NSR)Catalyst Market (2025): Market Leaders Powering Emission Control Solutions

In Business Insights
August 21, 2025

The Global Reduction(NSR)Catalyst Market was valued at USD 1.82 Billion in 2024 and is projected to reach USD 2.45 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2024–2030). This growth is driven by stringent environmental regulations, increasing demand for cleaner industrial processes, and technological advancements in catalytic converter systems across automotive, aerospace, and chemical production sectors.

As industries worldwide transition toward low-emission operations and sustainable manufacturing, the focus intensifies on key catalyst suppliers who are driving innovation in NOx reduction technologies. In this blog, we profile the Top 10 Companies in the Reduction(NSR)Catalyst Market—leaders combining scientific expertise with industrial-scale manufacturing capabilities.


🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Automotive SCR & NSR catalysts, Chemical process catalysts

BASF dominates the catalyst market with its innovative ammonia slip catalysts and advanced NSR solutions for diesel engines. The company invests heavily in next-generation materials that improve conversion efficiency while reducing precious metal content.

Innovation Highlights:

  • Pioneer in zeolite-based SCR catalysts

  • Developed proprietary Ozone Conversion Catalysts for aerospace applications

  • Strategic partnerships with major automakers for Tier 4 emission compliance

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9️⃣ 2. Hitachi Zosen Corporation

Headquarters: Osaka, Japan
Key Offering: Denox catalysts, Marine SCR systems

Hitachi Zosen specializes in large-scale catalyst solutions for industrial plants and marine vessels. Their NSR technologies effectively reduce nitrogen oxides in high-sulfur fuel environments, making them crucial for maritime emission control.

Innovation Highlights:

  • Leading supplier for Japanese marine SCR systems with 85% market penetration

  • Patented honeycomb catalysts for power plants operating at 450-650°C


8️⃣ 3. Babcock & Wilcox

Headquarters: Akron, Ohio, USA
Key Offering: NOxOUT® catalysts, SNCR systems

B&W’s catalyst division provides customized solutions for coal-fired plants and waste-to-energy facilities. Their technologies combine selective non-catalytic reduction (SNCR) with catalyst systems for optimal NOx reduction.

Innovation Highlights:

  • Over 50 GW of installed catalyst capacity across 35 countries

  • Exclusive supplier to 8 of the 10 largest US municipal waste facilities


7️⃣ 4. Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: ENVIROCAT™ NSR catalysts, Petrochemical catalysts

Dow’s advanced materials division develops catalysts for both environmental and process applications. Their formulations are optimized for prolonged lifespan under extreme industrial conditions.

Innovation Highlights:

  • Patented thermal stabilization technology extends catalyst life by 30-40%

  • Supplies catalysts to 12 major refineries in North America

Download FREE Sample Report:
Global and United States Reduction(NSR)Catalyst Market – View Detailed Research Report


6️⃣ 5. Sakai Chemical Industry

Headquarters: Osaka, Japan
Key Offering: Selective catalytic reduction catalysts, Ceramic substrate catalysts

Sakai Chemical specializes in ceramic-based catalyst substrates with high thermal shock resistance, making them ideal for automotive and stationary applications.

Innovation Highlights:

  • Developed world’s first cordierite-based SCR catalyst support

  • Supplies 60% of Japanese heavy-duty truck manufacturers


5️⃣ 6. W.R. Grace

Headquarters: Columbia, Maryland, USA
Key Offering: FCC catalysts, Hydroprocessing catalysts

Grace’s emission control catalysts help refiners meet stringent sulfur regulations while maximizing product yield through advanced zeolite technology.

Innovation Highlights:

  • Pioneered the first commercial FCC catalyst in 1962

  • Supports over 60% of global refining capacity


4️⃣ 7. Johnson Matthey

Headquarters: London, United Kingdom
Key Offering: Automotive catalysts, Hydrogen technologies

Johnson Matthey provides advanced catalyst solutions for light and heavy-duty vehicles, with a focus on platinum group metal optimization.

Innovation Highlights:

  • Developed the first commercial three-way catalyst in 1974

  • Holds over 1,500 patents in emission control technologies


3️⃣ 8. Haldor Topsoe

Headquarters: Lyngby, Denmark
Key Offering: Chemical process catalysts, Ammonia catalysts

Topsoe’s catalytic solutions enable industrial plants to reduce NOx emissions while maintaining operational efficiency in high-temperature processes.

Innovation Highlights:

  • Pioneer in sulfur-resistant catalyst formulations

  • Supplies catalysts for 50% of global ammonia production


2️⃣ 9. Clariant

Headquarters: Muttenz, Switzerland
Key Offering: Specialty catalysts, Adsorbents

Clariant develops tailor-made catalyst solutions for chemical and petrochemical applications, with a focus on sustainability and process optimization.

Innovation Highlights:

  • Developed innovative metal oxide catalysts for selective NOx reduction

  • 60+ active R&D projects in emission control technologies


1️⃣ 10. Umicore

Headquarters: Brussels, Belgium
Key Offering: Automotive catalysts, Precious metals recycling

Umicore combines catalyst manufacturing with precious metals expertise to deliver high-performance emission control solutions with optimized metal loading.

Innovation Highlights:

  • World’s first catalyst producer to be carbon-neutral in operations

  • Recycles over 25 tons of platinum group metals annually

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Global and United States Reduction(NSR)Catalyst Market – View Detailed Research Report


🌍 Outlook: The Future of Emission Control Catalysts

The NSR catalyst market is undergoing significant transformation as industries worldwide adopt cleaner technologies to meet sustainability targets. The next generation of catalysts will need to address emerging challenges while maintaining cost-effectiveness.

📈 Key Trends Shaping the Market:

  • Stricter emission regulations (Euro 7, China VI, US Tier 4) driving catalyst innovation

  • Development of precious-metal-free catalyst formulations

  • Integration of IoT for real-time catalyst performance monitoring

  • Growing demand for hydrogen-based reduction technologies

Get Full Report Here:
Global and United States Reduction(NSR)Catalyst Market – View Detailed Research Report

The companies listed above are not only enabling cleaner industrial processes—they’re shaping the future of sustainable emission control across global markets.