The Global Industrial Engine Catalyst Market is projected to reach a significant valuation, driven by stringent global emissions regulations and the expansion of industrial activities. The market is witnessing robust growth due to increasing demand for pollution control technologies across sectors like power generation, marine, mining, and construction. In 2025, the global market size is estimated in the millions of dollars, with a steady Compound Annual Growth Rate (CAGR) expected through the forecast period to 2034. This expansion is fueled by the critical need to reduce harmful emissions such as Nitrogen Oxides (NOx), Carbon Monoxide (CO), and Particulate Matter (PM) from industrial engines.

As industries worldwide face escalating pressure to meet environmental standards, the focus intensifies on the key catalyst manufacturers developing advanced solutions for cleaner operations. These companies are at the forefront of innovation, creating catalytic converters and systems that enable compliance without compromising engine performance. In this blog, we profile the Top 10 Companies in the Industrial Engine Catalyst Industry—a diverse group of technology specialists and global material science leaders shaping the future of emission control.

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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 world leader in sustainable technologies, and its Stationary Emissions Control division is a major force in the industrial catalyst space. The company provides advanced catalyst solutions for a wide range of stationary and mobile industrial engines used in power generation, gas compression, and marine propulsion. Their expertise spans decades, with a strong focus on Selective Catalytic Reduction (SCR) technology for NOx abatement.

Technological Initiatives:

• Development of high-performance SCR catalyst formulations for low-temperature applications

• Pioneering catalyst recycling and precious metal recovery programs

• Global service network for catalyst management and reactor system optimization

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9️⃣ 2. BASF SE (Catalysts Division)

Headquarters: Ludwigshafen, Germany
Key Offering: Comprehensive catalyst portfolio for NOx, CO, and VOC control

BASF’s catalyst division is a global powerhouse, offering an extensive range of emission control solutions. For industrial engines, they provide innovative catalysts, including Diesel Oxidation Catalysts (DOCs) and SCR systems, tailored for large-bore engines in challenging environments. Their strong R&D capabilities drive continuous improvements in catalyst durability and efficiency.

Technological Initiatives:

• Investment in next-generation catalyst materials for improved sulfur resistance

• Digital tools for monitoring catalyst health and predicting service life

• Focus on catalysts compatible with alternative and bio-fuels

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8️⃣ 3. MIRATECH Corporation

Headquarters: Tulsa, Oklahoma, USA
Key Offering: Turnkey emission control systems, SCR, DOC, Silencers

MIRATECH specializes in emission control solutions for stationary engines in the oil & gas, power generation, and manufacturing sectors. They are known for their integrated systems that combine catalysts with silencers and controls, providing a complete solution for engine compliance. Their global presence ensures support for clients operating in diverse regulatory landscapes.

Technological Initiatives:

• Custom-engineered solutions for specific engine models and duty cycles

• Development of combined particulate filter and oxidation catalyst systems

• Advanced control systems for urea dosing in SCR applications

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7️⃣ 4. CDTi Advanced Materials, Inc.

Headquarters: Oxnard, California, USA
Key Offering: Advanced catalyst technologies, Spinel-based catalysts

CDTi is a innovator in advanced emissions control solutions, focusing on developing catalyst technologies that reduce the reliance on precious metals. Their proprietary materials, including mixed-metal oxide catalysts, offer cost-effective and durable alternatives for a variety of industrial engine applications, particularly for oxidizing CO and hydrocarbons.

Technological Initiatives:

• Pioneering Platinum Group Metal (PGM)-free catalyst formulations

• Specialization in catalysts for lean-burn natural gas and diesel engines

• Focus on high-temperature stability for demanding industrial applications

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6️⃣ 5. Umicore

Headquarters: Brussels, Belgium
Key Offering: Precious metal-based catalysts, SCR on Filter (SCRoF)

Umicore is a global materials technology and recycling group with a leading position in catalysis. Their automotive and specialty catalysts business unit extends its expertise to industrial engines, providing high-performance catalysts that effectively control emissions. Their strength lies in precious metal chemistry and developing integrated systems like SCRoF for compact emission control.

Technological Initiatives:

• Leadership in circular economy through closed-loop precious metal recycling

• Development of multi-functional catalysts that combine NOx and PM reduction

• R&D into catalysts for hydrogen-fueled industrial engines

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5️⃣ 6. Cormetech

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

Cormetech is a leading manufacturer and recycler of SCR catalysts, primarily serving large-scale stationary sources but with significant applications in industrial engine systems for power plants and marine vessels. They are renowned for their robust honeycomb catalyst supports and comprehensive life-cycle management services.

Technological Initiatives:

• Expertise in designing SCR systems for high-dust environments

• Advanced catalyst regeneration and reactivation services

• Development of catalysts resistant to poisoning from fuel impurities

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4️⃣ 7. Applied Catalysts

Headquarters: Cartersville, Georgia, USA
Key Offering: Custom Catalyst Formulations, Metal Substrates

Applied Catalysts specializes in the custom design and manufacture of catalytic converters for a wide array of applications, including industrial and off-road engines. They work closely with OEMs and aftermarket providers to develop tailored solutions that meet specific performance and regulatory requirements, offering both ceramic and metal substrate options.

Technological Initiatives:

• Rapid prototyping and custom washcoat formulation capabilities

• Focus on compact and efficient catalyst designs for space-constrained installations

• Development of catalysts for non-road mobile machinery (NRMM)

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3️⃣ 8. Advanced Power Systems International, Inc. (APSI)

Headquarters: Gainesville, Florida, USA
Key Offering: Emission Control Systems, Retrofit Solutions

APSI is an engineering firm focused on providing innovative emission control solutions, particularly for the marine and stationary power sectors. They design and supply complete aftertreatment systems, including DOCs, SCRs, and particulate filters, helping fleet operators and power plant owners achieve compliance with evolving regulations.

Technological Initiatives:

• Specialization in retrofit solutions for existing engine fleets

• Integration of emission control systems with engine control units

• Solutions for meeting IMO Tier III and other marine emission standards

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2️⃣ 9. Catalytic Solutions, Inc.

Headquarters: Oxnard, California, USA
Key Offering: OSC® Catalyst Technology, PGM-efficient formulations

Catalytic Solutions is known for its patented Oxidation Stabilizer Catalyst (OSC) technology, which enhances the performance and efficiency of catalytic converters. Their formulations are designed to achieve high conversion efficiencies with lower loadings of precious metals, providing a cost-effective and performance-optimized solution for industrial engine manufacturers.

Technological Initiatives:

• Proprietary OSC technology for improved oxygen storage and thermal durability

• Focus on reducing the overall cost of compliance for engine operators

• Development of catalysts for dual-fuel and flexible-fuel engines

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1️⃣ 10. Enviro Petroleum Pte Ltd

Headquarters: Singapore
Key Offering: SCR Urea (AUS 40), Emission Control Fluids, Logistics

While not a catalyst manufacturer per se, Enviro Petroleum plays a critical role in the industrial engine catalyst ecosystem as a major supplier of high-quality Diesel Exhaust Fluid (DEF), also known as AUS 40 or AdBlue®, which is essential for SCR systems to function. Their robust supply chain ensures the availability of this reagent at ports and industrial sites globally, enabling the effective operation of catalyst-based emission control systems.

Market Initiatives:

• Establishing a reliable DEF supply network across Asia and key global markets

• Ensuring product quality meets ISO 22241 standards for optimal SCR performance

• Partnerships with catalyst system providers for integrated solution offerings

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

The industrial engine catalyst market is undergoing a profound transformation. While conventional catalyst technologies continue to dominate, the industry is rapidly advancing towards integrated aftertreatment systems, digital monitoring, and solutions for new fuel types. The push for net-zero emissions is driving innovation beyond traditional pollutant control towards carbon management.

📈 Key Trends Shaping the Market:

• Stricter Global Regulations: Implementation of standards like EPA Tier 5 (US), Stage V (EU), and China 6 for non-road engines is forcing technological upgrades.

• Adoption of Integrated Systems: Combination of DOC, DPF, and SCR into single, compact units for space efficiency and cost reduction.

• Digitalization and IoT: Remote monitoring of catalyst health, predictive maintenance, and real-time optimization of aftertreatment systems.

• Focus on Alternative Fuels: Development of catalysts compatible with hydrogen, biofuels, and synthetic fuels to support decarbonization.

The companies listed above are not just supplying components; they are delivering the essential technologies that allow global industry to operate sustainably and responsibly.

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Industrial Engine Catalyst Market – View in Detailed Research Report