The Global Industrial Engine Catalyst Market was valued at USD 2.1 Billion in 2025 and is projected to reach USD 3.15 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2024–2030). This significant growth trajectory is driven by the global enforcement of stringent emissions regulations such as the EPA’s Tier 4 standards in the U.S. and the Stage V standards in Europe, compelling industries to adopt advanced catalytic solutions for diesel and gasoline engines used in power generation, construction, and marine applications.

As industries worldwide prioritize Environmental, Social, and Governance (ESG) mandates and sustainable operations, the role of industrial engine catalysts has become paramount. These critical components are instrumental in transforming harmful pollutants like nitrogen oxides (NOx), carbon monoxide (CO), and particulate matter into less harmful substances. In this blog, we profile the Top 10 Companies in the Industrial Engine Catalyst Industry—specialists in catalysis, emissions control, and engineered materials that are at the forefront of enabling cleaner industrial machinery.

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🔟 1. Johnson Matthey Stationary Emissions Control

Headquarters: London, United Kingdom
Key Offering: SCR Catalysts, DOC, Three-Way Catalysts

Johnson Matthey is a global leader in sustainable technologies, with its Stationary Emissions Control division providing advanced catalyst solutions for a vast range of industrial engines. Their products are critical for meeting the most demanding emissions standards for generators, compressors, and large off-road equipment. The company leverages deep expertise in precious and base metal catalysis.

Sustainability Initiatives:

• Pioneering non-precious metal catalyst formulations to reduce dependency on critical materials.
• Committed to achieving net-zero operations by 2040.
• Active development of catalysts for hydrogen and alternative fuel engines.

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9️⃣ 2. BASF SE (Catalysts Division)

Headquarters: Ludwigshafen, Germany
Key Offering: Diesel Exhaust Fluids (DEF), SCR on Filter (SCRoF), Oxidation Catalysts

BASF’s catalyst division is a powerhouse in chemical engineering, offering integrated emissions control systems. Their innovative SCR on Filter technology combines particulate filtration and NOx reduction in a single unit, offering a compact solution for space-constrained industrial applications. BASF is a key supplier of catalyst coatings and substrates globally.

Sustainability Initiatives:

• Focus on circular economy principles, including catalyst recycling programs.
• Development of catalysts for biofuels and synthetic fuels to support decarbonization.

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8️⃣ 3. CDTi Advanced Materials

Headquarters: Oxnard, California, USA
Key Offering: Advanced Platinum Group Metal (PGM) catalysts, Spinel-based catalysts

CDTi specializes in developing high-performance, durable catalyst technologies that offer cost advantages over traditional formulations. Their proprietary Advanced Platinum Group Metal (PGM) and mixed metal oxide catalysts are designed for high-temperature industrial engine applications, providing excellent conversion efficiency and long service life.

Sustainability Initiatives:

• Focus on reducing the overall PGM loading in catalysts without compromising performance.
• Technology aimed at lowering the total cost of ownership for emissions control systems.

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7️⃣ 4. Umicore

Headquarters: Brussels, Belgium
Key Offering: Automotive & Industrial Catalysts, Precious Metals Management

Umicore is a global materials technology and recycling group. Its catalysis business unit provides sophisticated catalyst solutions for industrial engines, leveraging its closed-loop precious metals management. This allows Umicore to offer a secure supply chain for critical materials, which is a significant advantage in a volatile market.

Sustainability Initiatives:

• World leader in the recycling of precious metals from spent catalysts.
• Strong R&D focus on electrification and fuel cell catalysts for the future mobility landscape.

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6️⃣ 5. MIRATECH Corporation

Headquarters: Tulsa, Oklahoma, USA
Key Offering: Turnkey Emissions Solutions, Silencers with integrated catalysts, DOCs, SCR Systems

MIRATECH is a specialist in emissions control for stationary engines used in power generation, oil & gas, and other industrial sectors. They provide complete, engineered solutions that include catalytic converters, silencers, and control systems, making them a one-stop shop for customers needing to comply with air quality permits.

Sustainability Initiatives:

• Custom-engineered solutions to maximize emissions reduction for specific engine models and duty cycles.
• Global service and support network for maintenance and compliance assurance.

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5️⃣ 6. Cormetech

Headquarters: Durham, North Carolina, USA
Key Offering: SCR Catalyst Systems, Catalyst Management Services

Cormetech is a leading manufacturer and recycler of selective catalytic reduction (SCR) catalysts, with a strong focus on both stationary and mobile sources. They provide catalyst systems for large-bore industrial engines used in marine propulsion and land-based power generation, offering high reliability and performance.

Sustainability Initiatives:

• Comprehensive catalyst recycling and regeneration services to extend product life.
• Expertise in managing catalyst deactivation and optimizing system performance over time.

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4️⃣ 7. Applied Catalysts

Headquarters: Waukesha, Wisconsin, USA
Key Offering: Custom Catalyst Formulations, Catalytic Oxidizers, Metal Substrates

Applied Catalysts excels in developing custom catalyst formulations tailored to specific industrial processes and emissions profiles. They serve a diverse clientele requiring solutions for volatile organic compound (VOC) abatement and NOx control from industrial engines and process heaters.

Sustainability Initiatives:

• Specialization in creating cost-effective solutions for niche and challenging applications.
• Focus on improving energy efficiency of catalytic oxidation processes.

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3️⃣ 8. Clariant AG

Headquarters: Muttenz, Switzerland
Key Offering: SynDane® SCR Catalysts, Emission Control Catalysts

Clariant’s Catalysts business unit offers a robust portfolio for the energy and mobility sectors. Their SynDane® catalysts are specifically designed for the SCR process in diesel engines, providing high activity and stability for industrial applications. Clariant focuses on innovation in molecular sieves and advanced carrier materials.

Sustainability Initiatives:

• Development of catalysts that enable the use of alternative, cleaner-burning fuels.
• Commitment to reducing the environmental footprint of their own manufacturing processes.

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2️⃣ 9. Solvay S.A.

Headquarters: Brussels, Belgium
Key Offering: Rare Earth Oxides, Ceramic Substrates, Catalyst Precursors

While not a finished catalyst manufacturer, Solvay is a critical player in the supply chain as a leading producer of rare-earth-based materials essential for many modern catalyst formulations. Their high-purity cerium and zirconium oxides are key components in DOCs and three-way catalysts, providing oxygen storage capacity and thermal stability.

Sustainability Initiatives:

• Investment in sustainable sourcing of rare earth elements.
• R&D into materials for next-generation energy storage and conversion.

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1️⃣ 10. Advanced Power Systems International, Inc. (APSI)

Headquarters: Troy, Michigan, USA
Key Offering: Retrofit Emissions Control Systems, DPF, DOC, SCR

APSI specializes in retrofit emissions control solutions, helping operators of existing industrial engine fleets meet new regulatory standards without the need for complete engine replacement. Their systems are widely used in mining, rail, and marine sectors, providing a cost-effective path to compliance.

Sustainability Initiatives:

• Extending the operational life of existing equipment by enabling them to meet modern emissions norms.
• Providing solutions that significantly reduce particulate matter and NOx emissions from legacy engines.

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Industrial Engine Catalyst Market – View in Detailed Research Report

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🌍 Outlook: The Future of Industrial Engine Catalysts is Smarter and More Integrated

The industrial engine catalyst market is evolving beyond simple compliance to become an integral part of smart, connected industrial systems. The convergence of emissions control with digitalization and the transition to lower-carbon fuels is setting the stage for the next generation of catalytic technologies.

📈 Key Trends Shaping the Market:

• Stringent Global Regulations: Continued tightening of emission standards worldwide, particularly for non-road mobile machinery and marine vessels, will drive adoption.
• Digital Monitoring and IoT: Integration of sensors for real-time monitoring of catalyst health and emissions, enabling predictive maintenance and ensuring continuous compliance.
• Catalysts for Alternative Fuels: Rapid development of catalysts compatible with hydrogen, biofuels, and synthetic natural gas to support the decarbonization of industrial power.
• Material Innovation: Research into new catalyst materials, including zeolites and perovskites, to reduce reliance on precious metals and improve performance under extreme conditions.

The companies profiled above are not just supplying components; they are providing the essential technological foundation that allows industries to power progress while protecting the planet.

Get Full Report Here:
Industrial Engine Catalyst Market – View in Detailed Research Report