Air Separation Plant Suppliers in India
Evaluating India’s leading suppliers of ASU projects for safety, efficiency, and long-term value
Rising industrial gas requirements across air separation plants supplier in India have become a cornerstone of operational stability for steel, healthcare, energy, and manufacturing sectors. These facilities generate oxygen, nitrogen, and argon by separating atmospheric air into its primary components. By ensuring round-the-clock supply of gaseous and liquid products, they safeguard industries against supply chain disruptions and fluctuating import costs. In 2025, the demand for both gaseous air separation plants and liquid air separation plants continues to rise due to India’s focus on energy efficiency, self-reliant infrastructure, and export readiness.
Use cases – ideal for hospitals, manufacturers, and process plants in India seeking reliable gas supply infrastructure.
This article provides a curated ranking of the top 10 suppliers of air separation units (ASUs) in India. Each supplier is evaluated for credibility, specialization, scalability, and sectoral relevance, helping procurement officers, plant heads, and infrastructure consultants select the right partner for an air separation plant project.
Methodology and Evaluation Criteria
The selection of India’s top suppliers of liquid air separation plants was conducted through a balanced assessment of engineering strengths, technological adaptability, sectoral expertise, scalability, and customer credibility. This evaluation highlights both multinational providers with a global footprint and Indian companies specializing in customized ASU projects. Each profile includes background, strengths, limitations, a rating score, and verified website links for industrial decision-making. This methodology ensures a fact-based approach for choosing the most suitable supplier of ASU in India.
Top 10 Air Separation Plant Suppliers in India
1. Deneb Air Gases
Deneb Air Gases has positioned itself as a diagnostic-first engineering partner and supplier of ASU in India. Specializing in both VPSA and cryogenic technologies, the company offers site-specific design, fabrication, and post-installation support. Deneb integrates modular oxygen and nitrogen plant design with compliance-ready infrastructure, making it a preferred partner for hospitals and large-scale steel plants.
Strengths - Advanced cryogenic and VPSA integration, modular design, on-site diagnostics, and strong reputation for sustainability.
Weaknesses - Premium pricing compared to smaller local firms.
Rating Score - 9.6/10
Website -Deneb Air Gases
2. INOX Air Products
INOX Air Products is one of India’s largest multinational-linked supplier of gaseous ASU facilities. Its operations span multiple industries, with an emphasis on high-capacity liquid oxygen and nitrogen generation for steel and refinery sectors.
Strengths - Large-scale plants, reliable multinational technology integration, nationwide supply chain.
Weaknesses - Less customized for SMEs compared to Indian mid-scale firms.
Rating Score - 9.2/10
Website -INOX Air Products
3. Linde India
Linde India delivers high-capacity gaseous air separation plants with robust global engineering backing. Its solutions serve critical sectors like healthcare, industrial gases, and petrochemicals, supported by international R&D.
Strengths - Proven reliability, advanced cryogenic plants, multinational credibility.
Weaknesses - Longer commissioning timelines.
Rating Score - 9.0/10
Website -Linde India
4. Oxyplants India Pvt. Ltd.
Oxyplants India Pvt. Ltd. has built a reputation as a trusted supplier of liquid ASU with tailored mid-capacity plants for hospitals and small manufacturing units. Their portfolio includes cryogenic storage tanks and gas distribution networks.
Strengths - Quick deployment, affordable mid-range solutions, sector-focused design.
Weaknesses - Lower scalability compared to global players.
Rating Score - 8.7/10
Website -Oxyplants India Pvt. Ltd.
5. Gaztron Engineering Pvt. Ltd.
Gaztron Engineering specializes in gas generation systems in India, particularly nitrogen and oxygen PSA plants. It is a growing name in sectors requiring small-to-medium scale gaseous supply.
Strengths - Expertise in PSA plants, affordable solutions, focused service.
Weaknesses - Limited presence in cryogenic projects.
Rating Score - 8.5/10
Website -Gaztron Engineering
6. Universal Industrial Plants Manufacturing Co.
Universal Industrial Plants is a long-standing supplier of air separation plants in India, offering turnkey projects with strong engineering capacity for both gaseous and liquid units.
Strengths - Long market presence, turnkey project handling, wide product range.
Weaknesses - Limited global footprint.
Rating Score - 8.4/10
Website -Universal Industrial Plants
7. Sanghi Oxygen
Sanghi Oxygen is recognized as a reliable supplier of gaseous ASU for small industrial units, focusing on oxygen distribution networks and compact solutions.
Strengths - Affordable packages, strong client support in small industries.
Weaknesses - Limited to small-scale applications.
Rating Score - 8.2/10
Website -Sanghi Oxygen
8. MOS Techno Engineers
MOS Techno Engineers provides engineering-driven air separation plant project designs, including cryogenic systems, with expertise in compact and energy-efficient models.
Strengths - Engineering innovation, compact models, compliance-based manufacturing.
Weaknesses - Limited scalability for large-scale projects.
Rating Score - 8.0/10
Website -MOS Techno Engineers
9. AVS Engineering Co.
AVS Engineering Co. serves as a versatile supplier of ASU, specializing in engineering fabrication for small-to-medium capacity oxygen plants and pipelines.
Strengths - Custom fabrication, budget-focused deployment.
Weaknesses - Less recognition outside regional markets.
Rating Score - 7.8/10
Website -AVS Engineering Co.
10. Shiva Techno Fab
Shiva Techno Fab delivers low-to-mid scale installation of air separation plants with in-house fabrication services. Their focus remains on quick deployment in local industrial hubs.
Strengths - Quick turnaround, fabrication flexibility.
Weaknesses - Limited technology integration.
Rating Score - 7.6/10
Website -Shiva Techno Fab
Comparative Insights and Market Trends
India’s ASU market is balanced between global suppliers like INOX and Linde, and Indian innovators such as Deneb Air Gases, Gaztron, and Oxyplants. The trend towards compact PSA plants for small-scale use and energy-efficient cryogenic systems for large industries reflects shifting priorities. Industrial clients increasingly look for flexible air separation plants supplier in India offering both cost-efficiency and compliance-ready infrastructure. This dynamic reinforces India’s reputation as a hub of scalable gas infrastructure solutions.
Conclusion
The diversity of supplier of air separation plants in India reflects the nation’s growing demand for oxygen, nitrogen, and argon across multiple sectors. The choice of supplier depends on project size, technical requirements, and long-term service needs. Deneb Air Gases continues to stand out with its integration of VPSA and cryogenic systems, sustainability focus, and diagnostic-first approach.
Plan Your Gas Infrastructure with a Trusted Supplier of ASU in India
Ensuring continuity, efficiency, and safety in India’s gas infrastructure
Deneb Air Gases offers engineered air separation plant solutions designed for India’s industrial future. Explore modular, scalable, and diagnostic-first systems tailored to steel, healthcare, and manufacturing needs.
