The Global Reduction (NSR) Catalyst Market was valued at USD 170.7 Million in 2023 and is projected to reach USD 276.4 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 4.7% during the forecast period (2024–2030). This significant growth is driven by increasingly stringent global emission regulations, the expansion of industrial and automotive sectors, and rising investments in sustainable technologies to reduce nitrogen oxides (NOx) from exhaust streams.

As the world intensifies its focus on clean air and environmental protection, NOx Storage and Reduction (NSR) catalysts have become critical components in emission control systems. These catalysts play a vital role in reducing harmful pollutants from diesel engines, industrial boilers, and power plants. In this blog, we profile the Top 10 Companies in the Reduction (NSR) Catalyst Industry—a group of chemical giants and specialized technology firms leading the charge in cleaner industrial and automotive operations.

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🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: O3 SCR & NSR Catalysts, Emission Control Catalysts

BASF is a global leader in catalysis, offering a comprehensive portfolio of emission control solutions, including advanced NSR catalysts. Their catalysts are engineered for high efficiency in trapping and converting NOx under lean-burn conditions, serving the automotive, truck, and off-road equipment markets.

Innovation & Sustainability Focus:

• Pioneering low-temperature NOx reduction technologies

• Strong R&D focus on improving catalyst durability and performance

• Commitment to achieving carbon neutrality by 2050

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9️⃣ 2. Johnson Matthey

Headquarters: London, United Kingdom
Key Offering: Advanced NSR Catalysts, Clean Air Technologies

Johnson Matthey is a specialty chemicals company renowned for its advanced catalyst technologies. Their NSR catalysts are critical for meeting Euro 6 and other stringent emission standards, providing effective NOx control for a wide range of diesel applications.

Innovation & Sustainability Focus:

• Development of next-generation catalyst formulations for enhanced efficiency

• Strategic partnerships with major automotive OEMs worldwide

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8️⃣ 3. Umicore

Headquarters: Brussels, Belgium
Key Offering: Automotive Catalysts, NSR & SCR Systems

Umicore is a key global player in catalytic converters and emission control systems. The company’s NSR catalyst technology is integral to its clean mobility solutions, helping vehicle manufacturers comply with increasingly strict emission limits across global markets.

Innovation & Sustainability Focus:

• Leadership in precious metals-based catalyst technologies

• Focus on circular economy through catalyst recycling programs

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7️⃣ 4. Clariant AG

Headquarters: Muttenz, Switzerland
Key Offering: Specialty Catalysts, Emission Control Solutions

Clariant develops high-performance catalyst solutions for various industrial applications, including emission control. Their expertise in zeolite-based and other advanced materials positions them as a significant contributor to NSR catalyst technology development.

Innovation & Sustainability Focus:

• Investment in sustainable catalyst production processes

• Development of catalysts for biofuel and alternative fuel applications

Download FREE Sample Report:
Reduction (NSR) Catalyst Market – View in Detailed Research Report

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6️⃣ 5. Hitachi Zosen Corporation

Headquarters: Osaka, Japan
Key Offering: Environmental Systems, Denox Catalysts

Hitachi Zosen is a leading Japanese engineering company with strong capabilities in environmental protection systems. The company provides advanced NSR and SCR catalyst technologies for industrial plants, power generation facilities, and marine applications.

Innovation & Sustainability Focus:

• Specialization in catalyst systems for large-scale industrial applications

• Focus on energy-efficient emission control solutions

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5️⃣ 6. Babcock & Wilcox

Headquarters: Akron, Ohio, USA
Key Offering: Emissions Control Equipment, Catalytic Solutions

Babcock & Wilcox offers comprehensive emission control technologies, including catalyst systems for NOx reduction. Their expertise spans power generation, industrial processes, and waste-to-energy applications, making them a key player in the stationary source emission control market.

Innovation & Sustainability Focus:

• Integration of catalyst technologies with broader emission control systems

• Development of solutions for carbon capture and utilization

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4️⃣ 7. Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: Specialty Chemicals, Catalytic Materials

Dow provides advanced materials and catalytic solutions for various industrial applications. Their chemical expertise contributes to the development of effective NSR catalyst formulations that meet the demanding requirements of modern emission control systems.

Innovation & Sustainability Focus:

• Material science innovations for improved catalyst performance

• Sustainability initiatives focused on reducing environmental footprint

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3️⃣ 8. Cormetech Inc.

Headquarters: Durham, North Carolina, USA
Key Offering: SCR Catalysts, Emission Control Technologies

Cormetech specializes in the development and manufacture of catalytic reaction technologies for emission control. While strong in SCR systems, the company’s expertise in catalyst chemistry supports advancements in NSR technologies for various applications.

Innovation & Sustainability Focus:

• Focus on catalyst regeneration and recycling services

• Development of customized catalyst solutions for specific applications

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2️⃣ 9. Sakai Chemical Industry Co., Ltd.

Headquarters: Osaka, Japan
Key Offering: Chemical Products, Catalyst Materials

Sakai Chemical Industry is a Japanese chemical company with significant expertise in catalyst materials manufacturing. The company supplies essential components and materials used in NSR catalyst systems, particularly for automotive and industrial applications.

Innovation & Sustainability Focus:

• Development of high-purity chemical materials for catalysis

• Focus on quality control and consistent product performance

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1️⃣ 10. W.R. Grace & Co.

Headquarters: Columbia, Maryland, USA
Key Offering: Specialty Catalysts, Materials Technologies

W.R. Grace is a leading global supplier of catalysts and silica-based materials. The company’s advanced material technologies support the development of high-performance NSR catalysts, particularly through their expertise in zeolites and other catalytic materials.

Innovation & Sustainability Focus:

• Leadership in FCC and specialty catalyst technologies

• Commitment to sustainable operations and product development

Read Full Report:
Reduction (NSR) Catalyst Market – View in Detailed Research Report

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🌍 Outlook: The Future of NSR Catalysts Is Smarter and More Efficient

The NSR catalyst market is experiencing dynamic evolution as emission regulations become increasingly stringent worldwide. While traditional catalyst technologies continue to dominate, the industry is investing significantly in advanced materials, improved formulations, and integrated emission control systems.

📈 Key Trends Shaping the Market:

• Development of low-temperature NSR catalysts for cold-start conditions

• Integration of NSR with other emission control technologies like SCR and DPF

• Growing adoption in emerging markets with new emission standards

• Focus on reducing precious metal content while maintaining performance

Read Full Report:
Reduction (NSR) Catalyst Market – View in Detailed Research Report

The companies profiled above are not only enabling regulatory compliance—they’re driving the technological innovation necessary for a cleaner environmental future.