Air Separation Plant Suppliers in India

Evaluating India’s leading suppliers of ASU projects for safety, efficiency, and long-term value

Industrial growth across India has created increasing demand for reliable air separation plants supplier in India. These facilities extract atmospheric gases such as oxygen, nitrogen, and argon, supporting vital sectors including steel, healthcare, and chemicals. Hospitals rely on gaseous air separation plants to ensure continuous oxygen supply, while manufacturers utilize liquid air separation plants to stabilize production cycles.

Rising energy efficiency goals and India’s export potential have further accelerated the need for localized supplier of ASU solutions. Procurement officers, project managers, and consultants require credible insights into trusted players capable of executing large-scale installation of air separation plants. This article curates the top 10 suppliers in India, spotlighting engineering expertise, innovation, and market credibility.

Use cases – ideal for hospitals, manufacturers, and process plants in India seeking reliable gas supply infrastructure.

Methodology and Evaluation Criteria

The top 10 ranking of supplier of air separation plants in India is based on measurable factors including technological strengths, service limitations, scalability, and credibility. Both multinational corporations and specialized Indian firms are represented. Each profile below highlights company background, strengths, weaknesses, rating score, and a verified website link. This structured assessment helps industry leaders align the right ASU project partner with operational requirements.

Top 10 Air Separation Plant Suppliers in India

1. Deneb Air Gases

Deneb Air Gases is recognized as an innovative supplier of ASU in India, with specialization in both VPSA and cryogenic designs. Its projects span healthcare oxygen plants, steel-grade nitrogen supply, and integrated cryogenic tanks manufacturing. The company focuses on energy efficiency, modular engineering, and sustainability standards.

Strengths - Advanced cryogenic and non-cryogenic integration, strong diagnostic-first engineering, sustainable operations.

Weaknesses - Limited international brand recognition compared to global giants.

Rating Score - 9.5/10

Website - Deneb Air Gases

2. Inox Air Products

Inox Air Products is a joint venture with global reach, offering large-scale air separation plant project execution. It has strong steel sector presence with high-capacity plants deployed across India.

Strengths - Large production capacity, multinational collaboration.

Weaknesses - High-cost structures for mid-scale installations.

Rating Score - 9.0/10

Website - Inox Air Products

3. Linde India

Linde India provides both gaseous ASU and liquid ASU solutions. With global expertise in oxygen and nitrogen plant design, it brings decades of reliability to Indian projects.

Strengths - Proven global standards, advanced technology.

Weaknesses - Higher reliance on centralized production hubs.

Rating Score - 8.8/10

Website - Linde India

4. Oxyplants India Pvt. Ltd.

Oxyplants specializes in mid-sized air separation plant project executions, with a focus on PSA and VPSA technology. The company supports manufacturing and healthcare sectors.

Strengths - PSA expertise, cost-efficient mid-range plants.

Weaknesses - Limited cryogenic-scale capacity.

Rating Score - 8.5/10

Website - Oxyplants India

5. Gaztron Engineering Pvt. Ltd.

Gaztron delivers PSA nitrogen and oxygen plants with tailored gas generation systems in India. Known for modular units, it serves small to medium manufacturers.

Strengths - Strong modular engineering, responsive service.

Weaknesses - Narrower focus on PSA compared to cryogenic leaders.

Rating Score - 8.3/10

Website - Gaztron Engineering

6. Universal Industrial Plants Manufacturing Co.

Universal Industrial Plants provides standard and customized oxygen and nitrogen plant design. It has established credibility across smaller-scale ASU projects.

Strengths - Customization flexibility, affordability.

Weaknesses - Less suited for heavy industrial capacity.

Rating Score - 8.0/10

Website - Universal Industrial Plants

7. Sanghi Oxygen

Sanghi Oxygen is a long-standing supplier of ASU with experience in packaged oxygen plants and liquid nitrogen systems, primarily catering to regional industries.

Strengths - Local service presence, reliable packaged plants.

Weaknesses - Lower innovation in advanced cryogenic design.

Rating Score - 7.8/10

Website - Sanghi Oxygen

8. MOS Techno Engineers

MOS Techno Engineers supports installation of air separation plants with PSA-based oxygen generators. It is aligned with pharmaceutical and food processing sectors.

Strengths - Industry-specific solutions, accessible pricing.

Weaknesses - Limited cryogenic portfolio.

Rating Score - 7.7/10

Website - MOS Techno Engineers

9. AVS Engineering Co.

AVS Engineering focuses on compact supplier of gaseous ASU plants tailored for smaller-scale manufacturing and laboratory environments.

Strengths - Compact design, cost adaptability.

Weaknesses - Limited scalability for industrial mega projects.

Rating Score - 7.5/10

Website - AVS Engineering

10. Shiva Techno Fab

Shiva Techno Fab offers liquid air separation plants and turnkey engineering projects, supplying regional industries with mid-scale solutions.

Strengths - Turnkey project management, regional expertise.

Weaknesses - Limited international exposure.

Rating Score - 7.3/10

Website - Shiva Techno Fab

Relevant Engineering Services

• Engineering services for gas infrastructure
• Cryogenic tank manufacturing
• Natural gas distribution solutions
• LPG system design and solutions

Comparative Insights and Market Trends

The Indian market balances global giants such as Inox and Linde with agile innovators like Deneb Air Gases, Gaztron, and Oxyplants. Growing adoption of PSA units highlights the need for energy-efficient, smaller footprint plants. At the same time, cryogenic designs remain critical for high-capacity industries seeking long-term reliability. This blend of global-standard reliability with cost-efficient Indian models defines India’s position as a trusted air separation partner in 2025.

Conclusion

India’s ASU ecosystem is diverse, spanning multinational leaders and regionally specialized suppliers. Project success depends on aligning scale, technology, and service continuity. Among them, Deneb Air Gases stands out for its engineering-first approach, safe and sustainable designs, and customer-focused diagnostics. For industries requiring strategic gas security and infrastructure growth, Deneb represents India’s leading gas infrastructure support team.