The Global Oil Refining Auxiliary Market was valued at USD 6.85 Billion in 2025 and is projected to reach USD 10.12 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 4.1% during the forecast period (2025–2034). This growth is primarily driven by the increasing global demand for refined petroleum products, the need to process heavier, more complex crude oil grades, and stringent environmental regulations mandating cleaner, higher-performance fuels.

As the refining industry navigates the energy transition, the role of specialized chemical additives and auxiliary systems has never been more critical. These solutions are essential for optimizing operations, enhancing product quality, and ensuring environmental compliance. In this blog, we profile the Top 10 Companies in the Oil Refining Auxiliary Industry—a group of chemical giants, technology providers, and specialty manufacturers shaping the future of refinery efficiency and sustainability.

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🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Antioxidants, Corrosion Inhibitors, Catalyst Additives, Process Chemicals

BASF SE is a global leader in the chemical industry and a major supplier of high-performance additives for oil refining. The company’s comprehensive portfolio includes antioxidants to prevent fuel degradation, corrosion inhibitors to protect refinery infrastructure, and specialized agents that enhance catalytic processes. BASF’s strong R&D focus ensures continuous innovation in developing more efficient and environmentally compliant solutions tailored to the evolving needs of the refining sector.

Innovation & Sustainability Initiatives:

• Continuous development of next-generation antioxidant and stabilizer formulations

• Focus on bio-based and sustainable additive alternatives

• Strategic partnerships with major refiners to co-develop custom solutions

Download FREE Sample Report: Oil Refining Auxiliary Market – View in Detailed Research Report

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9️⃣ 2. Clariant AG

Headquarters: Muttenz, Switzerland
Key Offering: Specialty Catalysts, Purification Adsorbents, Additives for Fuel Performance

Clariant AG is a world-renowned specialty chemicals company with a significant presence in the refining auxiliary market. Its product lines include high-performance catalysts for processes like hydrotreating and reforming, which are crucial for producing ultra-low sulfur fuels. Clariant also provides adsorbents for purification and a range of additives that improve fuel stability, lubricity, and performance, helping refiners meet stringent quality specifications.

Innovation & Sustainability Initiatives:

• Pioneering advanced catalyst technologies for cleaner fuel production

• Investment in R&D for circular economy solutions in refining

• Commitment to sustainability through EcoTain®-labeled products

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8️⃣ 3. The Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: Demulsifiers, Antifoams, Scale Inhibitors, Corrosion Control Agents

The Dow Chemical Company offers a diverse range of chemical solutions that address critical challenges in oil refining operations. Its products are designed to improve separation processes, prevent fouling and scaling in heat exchangers, and protect equipment from corrosion. Dow’s global scale and technical expertise make it a key partner for refineries seeking to enhance operational reliability, reduce downtime, and optimize overall efficiency.

Innovation & Sustainability Initiatives:

• Development of high-efficiency separation and treating chemicals

• Focus on reducing the environmental footprint of refinery operations

• Integration of digital tools for predictive maintenance and chemical dosing optimization

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7️⃣ 4. Solvay SA

Headquarters: Brussels, Belgium
Key Offering: Hydrogen Peroxide, Specialty Polymers, Solvents, Process Aids

Solvay SA provides essential chemicals and advanced materials that serve as critical auxiliaries in refining processes. The company is a leading supplier of hydrogen peroxide, used in oxidative desulfurization, and offers specialty polymers that act as drag reducers and flow improvers. Solvay’s solutions help refiners achieve higher throughput, better product yields, and compliance with environmental standards.

Innovation & Sustainability Initiatives:

• Advancements in green chemistry for sulfur removal and waste treatment

• Expansion of bio-sourced and renewable solvent offerings

• Active participation in industry consortia for sustainable refining practices

Download FREE Sample Report: Oil Refining Auxiliary Market – View in Detailed Research Report

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6️⃣ 5. Evonik Industries AG

Headquarters: Essen, Germany
Key Offering: Precious Metal Catalysts, Silica Products, Specialty Additives

Evonik Industries AG is a global specialist in specialty chemicals, with a strong focus on catalysis and high-performance materials for the refining industry. The company’s catalysts are vital for key processes such as catalytic cracking and hydroprocessing, enabling the production of high-value fuels and chemicals. Evonik also provides silica-based additives that improve the performance and longevity of catalysts and other process materials.

Innovation & Sustainability Initiatives:

• Leading-edge research in catalyst design for energy efficiency

• Development of sustainable process technologies for CO2 reduction

• Strategic focus on digitalization and data-driven process optimization

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5️⃣ 6. Huntsman Corporation

Headquarters: The Woodlands, Texas, USA
Key Offering: Amines for Gas Treating, Polyurethane Catalysts, Performance Products

Huntsman Corporation is a prominent manufacturer of differentiated chemicals, including essential auxiliaries for refinery operations. Its amine-based solvents are critical for removing sour gases like H2S and CO2 from refinery streams. Huntsman also supplies catalysts and additives that enhance the performance of various refining units, contributing to improved product quality and operational safety.

Innovation & Sustainability Initiatives:

• Innovation in gas treating technologies for lower energy consumption

• Development of environmentally benign formulations for emissions control

• Commitment to sustainable operations and product stewardship

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4️⃣ 7. Baker Hughes Incorporated

Headquarters: Houston, Texas, USA
Key Offering: Process Chemicals, Automation Solutions, Asset Performance Management

Baker Hughes Incorporated provides an integrated suite of technologies and services for the oil and gas industry, including a comprehensive range of refining auxiliaries. The company offers specialized process chemicals for corrosion control, fouling prevention, and separation enhancement. Beyond chemicals, Baker Hughes delivers digital solutions and automation technologies that optimize the application and performance of auxiliary systems, driving significant operational improvements for refiners.

Innovation & Sustainability Initiatives:

• Integration of chemical management with IIoT and predictive analytics

• Development of low-carbon and sustainable chemical solutions

• Focus on helping customers achieve net-zero operational targets

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3️⃣ 8. Johnson Matthey

Headquarters: London, United Kingdom
Key Offering: Refining Catalysts, Precious Metal Services, Syngas Technologies

Johnson Matthey is a global leader in sustainable technologies, with a long-standing reputation in catalysis for the refining sector. The company supplies advanced catalysts for critical processes like catalytic reforming, hydrocracking, and isomerization, which are essential for producing high-octane gasoline and other premium fuels. Johnson Matthey’s expertise helps refiners maximize yields, improve efficiency, and meet tightening fuel specifications.

Innovation & Sustainability Initiatives:

• Pioneering catalyst technologies for circular economy and waste-to-fuels processes

• Leadership in hydrogen and syngas technologies for the energy transition

• Commitment to science-based targets for a sustainable future

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2️⃣ 9. Innospec Inc.

Headquarters: Englewood, Colorado, USA
Key Offering: Fuel Specialties, Oilfield Chemicals, Performance Chemicals

Innospec Inc. is a specialty chemicals company focused on developing and manufacturing technology-driven products for the refining industry. Its fuel specialty additives are designed to enhance fuel performance, stability, and cleanliness, addressing challenges such as deposit formation and corrosion. Innospec’s tailored solutions help refiners differentiate their products in the market and comply with evolving regulatory requirements.

Innovation & Sustainability Initiatives:

• R&D focused on high-value, custom additive packages

• Development of additives for emerging and alternative fuels

• Strong customer collaboration to solve specific operational challenges

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1️⃣ 10. Honeywell UOP

Headquarters: Des Plaines, Illinois, USA
Key Offering: Process Technology, Catalysts, Adsorbents, Equipment

Honeywell UOP is a premier technology and equipment provider to the refining, petrochemical, and gas processing industries. It offers a complete portfolio of catalysts, adsorbents, and process technologies that are fundamental auxiliary components for modern refineries. From enabling the production of cleaner-burning diesel to maximizing propylene yield, Honeywell UOP’s solutions are integral to improving refinery profitability, efficiency, and sustainability.

Innovation & Sustainability Initiatives:

• Leading innovations in renewable fuel technologies and circular plastics

• Digital platform integration for real-time process optimization

• Comprehensive solutions for carbon capture and hydrogen management

Get Full Report Here: Oil Refining Auxiliary Market – View in Detailed Research Report

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🌍 Outlook: The Future of Oil Refining Auxiliaries is Smarter and More Sustainable

The oil refining auxiliary market is undergoing a significant transformation. While the core demand for traditional additives remains strong, the industry is rapidly embracing smart technologies and sustainable chemistries to meet the dual challenges of efficiency and environmental responsibility.

📈 Key Trends Shaping the Market:

• Accelerated adoption of digitalization and IIoT for predictive maintenance and optimized chemical dosing

• Growing R&D investment in bio-based and green auxiliary formulations to reduce environmental impact

• Increasing demand for multi-functional additives that offer superior performance and cost-effectiveness

• Strategic alliances between chemical suppliers and refiners to co-develop customized solutions for complex feedstocks

Get Full Report Here: Oil Refining Auxiliary Market – View in Detailed Research Report

The companies profiled above are not only supplying essential chemicals—they are enabling the technological evolution of the global refining industry, ensuring it can operate more efficiently, sustainably, and profitably in the years to come.