Top 25 Global Industrial Air Separation Unit Companies (2025–2035): Spherical Insights Analysis
RELEASE DATE: Sep 2025 Author: Spherical InsightsRequest Free Sample Speak to Analyst
Description
According to a research report published by Spherical Insights & Consulting, The Global Industrial Air Separation Unit Market Size is projected to Grow from USD 5.1 Billion in 2024 to USD 9.1 Billion by 2035, at a CAGR of 5.4% during the forecast period 2025–2035. The global industrial air separation unit market is being driven by rising demand in healthcare and medical applications, the growth of the steel and metallurgy industry, and the expansion of the chemical and petrochemical industries.
Introduction
The Industrial Air Separation Unit (ASU) Market Size includes systems that separate atmospheric air into its major components—oxygen, nitrogen, and argon—most often via cryogenic distillation or, in certain circumstances, non-cryogenic techniques. These machines are crucial in maintaining a consistent supply of high-purity gases for industrial activities. Oxygen is widely utilized in steel manufacture, chemical oxidation, and medicinal treatments; nitrogen is essential for inserting, purging, and food preservation; and argon is commonly employed in welding, metallurgy, and electronics production. The market is continuously growing as sectors including chemicals, healthcare, energy, and metallurgy require regular gas supply to increase efficiency, safety, and scalability. Furthermore, the worldwide effort for decarbonization and renewable energy is changing demand, with ASUs becoming critical facilitators of green hydrogen projects that require large amounts of oxygen and nitrogen. Growing urbanization, regional self-sufficiency ambitions, and geopolitical pressures are all driving localized manufacturing and modular ASU deployment. With ongoing advancements in automation, energy efficiency, and plant scalability, the ASU industry is growing as a critical component of the larger industrial and energy environment. The air separation plant market focuses on large-scale gas production facilities that serve worldwide industries.
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Industrial Air Separation Unit Market Size & Statistics
- The Market Size for Industrial Air Separation Unit Was Estimated to be worth USD 5.1 Billion in 2024.
- The Market Size is Going to Expand at a CAGR of 5.4% between 2025 and 2035.
- The Global Industrial Air Separation Unit Market Size is anticipated to reach USD 9.1 Billion by 2035.
- Asia Pacific is expected to generate the highest demand during the forecast period in the Industrial Air Separation Unit Market
- North America is expected to hold a significant share during the forecast period in the Industrial Air Separation Unit Market.
Regional growth and demand
North America is expected to hold a significant share during the forecast period in the industrial air separation unit market. North America is expected to hold a significant share due to the presence of a well-established steel, chemical, and energy industry, stringent environmental regulations, high adoption of advanced ASU technologies, and strong demand for industrial gases across the healthcare and manufacturing sectors.
Asia Pacific is expected to generate the highest demand during the forecast period in the industrial air separation unit market. Asia Pacific is expected to generate the highest demand due to rapid industrialization, expanding steel and chemical production, growing healthcare and energy sectors, increasing investments in infrastructure, and rising adoption of advanced air separation technologies to meet the region’s escalating industrial gas requirements.
Top 10 Trends in the Industrial Air Separation Unit Market
- Energy Efficiency and Green Technologies
- Green Hydrogen Economy
- Digitalization and AI
- Modular Designs
- High-Purity Gas Demand
- Asia-Pacific Dominance
- Emerging Separation Technologies
- Flexible Business Models
- Industry-Specific Applications
- Enhanced Safety Features
1. Energy Efficiency and Green Technologies
Industries are increasingly focusing on energy-efficient ASU designs to cut operational expenses and carbon emissions. Advanced cryogenic and non-cryogenic technologies, as well as heat recovery systems, enable ASUs to consume less energy while still harmonizing with worldwide environmental efforts.
2. Green Hydrogen Economy
The increased global emphasis on clean energy and decarbonization has pushed ASUs into the green hydrogen market. ASUs create large amounts of oxygen and nitrogen, which are required for hydrogen generation through electrolysis and gasification, making them vital for growing hydrogen infrastructure.
3. Digitalization and AI
The integration of IoT, AI, and smart monitoring systems enables real-time performance tracking, predictive maintenance, and process optimization. These solutions improve operating efficiency, decrease downtime, and assure constant, high-purity gas output.
4. Modular Designs
Modular and scalable ASU units are gaining popularity because of their flexibility, faster installation time, and cheaper capital cost. They allow industries, particularly in emerging countries, to gradually build capacity based on demand.
5. High-Purity Gas Demand
The increasing need for ultra-high-purity gases in electronics, medicines, and specialty chemicals is pushing advancements in ASU technology. Industries require precision gas separation and purity to enable critical industrial and research applications.
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Stay informed with the latest industry insights and market trends to identify new opportunities and drive growth in the industrial air separation unit market. To explore more in-depth trends, insights, and forecasts, please refer to our detailed report.
Top 25 Companies Leading the Industrial Air Separation Unit Market
- Air Liquide
- Linde plc
- Praxair Technology, Inc.
- Air Products and Chemicals, Inc.
- Messer Group GmbH
- Taiyo Nippon Sanso Corporation
- Cryogenic Industries
- Universal Industrial Gases, Inc.
- SIAD Macchine Impianti S.p.A.
- Hangzhou Hangyang Co., Ltd.
- Enerflex Ltd.
- Technex Limited
- AMCS Corporation
- Atlas Copco AB
- Cryoquip LLC
- Gas Engineering LLC
- PCI Gases
- Ranch Cryogenics, Inc.
- Sichuan Air Separation Plant Group
- Suzhou Xinglu Air Separation Plant Science and Technology Development Co., Ltd.
- AIR WATER INC
- CRYOTEC Anlagenbau GmbH
- KaiFeng Air Separation Group Co., LTD.
- Bhoruka Gases Limited
- Shanghai Chinllenge Gases Co. Ltd
1. Air Liquide S.A.
Headquarters: Paris, France
Air Liquide, based in Paris, France, is a global leader in industrial gases with operations in more than 70 countries. The firm is a major player in the industrial air separation unit (ASU) market, developing, building, and running large-scale ASUs to create high-purity gases, including oxygen, nitrogen, and argon. These gases are essential for a wide range of sectors, including steel production, chemical processing, healthcare, and electronics. Air Liquide serves industrial operations across the world by delivering dependable, scalable, and effective air separation systems, allowing regulatory compliance, process optimization, and sustainable production methods that meet global energy and environmental requirements.
2. Linde plc
Headquarters: United Kingdom
Linde plc, based in Woking, UK, with a legal domicile in Dublin, Ireland, operates in more than 100 countries, making it one of the world's major industrial gas providers. The firm is a significant participant in the ASU industry, offering air separation systems that generate high-purity oxygen, nitrogen, and argon for sectors like steel, chemicals, healthcare, and energy. Linde has supplied more than 4,000 ASUs worldwide, including both large-scale and modular systems. Its sophisticated solutions prioritize energy efficiency, automation, and dependability, enabling sustainable industrial operations while fulfilling demanding worldwide emission and purity criteria.
3. PRAXAIR TECHNOLOGY, INC.
Headquarters: Danbury, Connecticut, USA
Praxair, based in Danbury, Connecticut, USA, operates in more than 50 countries. The firm made a substantial contribution to the ASU market by delivering industrial gases and air separation units to the steel, chemical, and healthcare industries. Its expertise in cryogenic and non-cryogenic air separation methods resulted in high-purity oxygen, nitrogen, and argon production. Following the acquisition, Praxair's operations were merged into Linde's global network, improving scalability, efficiency, and innovation in ASU solutions while continuing to service industrial clients globally with dependable and sustainable gas supply systems.
4. Air Products and Chemicals, Inc.
Headquarters: Allentown, Pennsylvania, USA
Air Products, located in Allentown, Pennsylvania, USA, is a global leader in industrial gases and air separation systems. The firm operates over 300 ASUs globally, creating high-purity oxygen, nitrogen, and argon for sectors like steel, chemicals, electronics, and energy. Its sophisticated ASU technologies prioritize efficiency, dependability, and flexible deployment to fulfill industrial demands. Air Products helps clients achieve operational excellence, regulatory compliance, and environmental sustainability in a wide range of industrial applications across the world by combining smart monitoring, process optimization, and sustainable practices.
5. Messer Group GmbH
Headquarters: Bad Soden, Germany
Messer Group, based in Bad Soden, Germany, operates across Europe, Asia, and the Americas. Messer, the world's largest family-owned industrial gas firm, has a significant position in the ASU market, supplying high-purity oxygen, nitrogen, and argon to the steel, chemical, and electronics sectors. Their ASU solutions include large-scale and modular plants that prioritize energy efficiency, safety, and sustainability. Messer's global operations and technological knowledge enable it to deliver dependable, scalable, and creative air separation systems that assist industries in meeting high production, purity, and environmental criteria while promoting long-term industrial growth globally.
Are you ready to discover more about the industrial air separation unit market?
The report provides an in-depth analysis of the leading companies operating in the global industrial air separation unit market. It includes a comparative assessment based on their product portfolios, business overviews, geographical footprint, strategic initiatives, market segment share, and SWOT analysis. Each company is profiled using a standardized format that includes:
Company Profiles
- Air Liquide S.A.
- Business Overview
- Company Snapshot
- Products Overview
- Company Market Share Analysis
- Company Coverage Portfolio
- Financial Analysis
- Recent Developments
- Merger and Acquisitions
- SWOT Analysis
- Linde plc
- PRAXAIR TECHNOLOGY, INC.
- Air Products and Chemicals, Inc.
- Messer Group GmbH
- Taiyo Nippon Sanso Corporation
- Cryogenic Industries
- Universal Industrial Gases, Inc.
- SIAD Macchine Impianti S.p.A.
- Others.
Conclusion
The Industrial Air Separation Unit (ASU) Market Size is expected to develop rapidly, driven by increased demand for high-purity gases in sectors such as steel, chemicals, healthcare, energy, and electronics. Increasing industrialization in emerging nations, along with global decarbonization initiatives and the growth of the green hydrogen sector, is driving demand for efficient and scalable ASUs. Technological improvements such as modular designs, digitization, and energy-efficient technologies improve operating efficiency and dependability. Major manufacturers such as Air Liquide, Linde, Air Products, Praxair, and Messer continue to develop, assuring long-term gas production and promoting global industrial expansion, making ASUs essential to the current industrial ecology.
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