The heavy fabrication industry in India forms the backbone of sectors like infrastructure, power, oil & gas, steel, defense, transportation, and industrial machinery. Heavy metal fabrication involves transforming steel and metals into large structural components, industrial machinery parts, pressure vessels, boilers, piping systems, and more, often using cutting-edge engineering techniques such as welding, machining, bending, and assembly. However, if you are looking to enjoy multiple fabrication works at the most competitive prices, then Moglix Business is the right platform to collaborate with. We provide you with complete fabrication possibilities like forging, forming, Machining, Heat treatment, casting, and many more.
With India’s manufacturing and infrastructure sectors booming under initiatives like Make in India, National Infrastructure Pipeline, and accelerated industrial spending, demand for robust fabrication services is rising sharply in 2026. Below are the top 10 heavy fabrication companies in India that are shaping the future of fabrication and heavy engineering:
Check Out The List Of The Top 10 Heavy Fabrication Companies You Can Opt For
We have collected the latest data and curated a comprehensive list of the best heavy structural fabrication companies you can rely on for various fabrication purposes.
1. Larsen & Toubro (L&T) – The Engineering Giant
Larsen & Toubro is India’s most diversified and largest heavy engineering and fabrication company, with global operations and a strong domestic footprint. Its Heavy Engineering division delivers pressure vessels, heat exchangers, reactors, large welded structures, and EPC solutions across power, petrochemical, oil & gas, and industrial sectors.
Why It’s #1:
- Significant heavy fabrication and metal structure production capacity
- Major international and domestic orders in 2025–26, worth ₹1,000–2,000 cr+ in heavy engineering alone.
- Integrated EPC capabilities — from design to installation
Services: Industrial boilers, columns, vessels, structural steel, petrochemical fabrication.
2. ISGEC Heavy Engineering Ltd – Heritage Heavy Engineering
ISGEC (formerly Indian Sugar & General Engineering Corp.) is a major public company specializing in industrial fabrication — boilers, pressure vessels, process equipment, press machines, and castings — with strong export markets.
Strengths:
- Nearly a century of fabrication experience
- Manufacturing facilities across India (Yamunanagar, Dahej, Bawal, Muzaffarnagar)
- EPC solutions and contract manufacturing for global clients
Focus Areas: Boilers, industrial machinery, steel & iron castings, heavy equipment.
3. Bharat Heavy Electricals Ltd (BHEL) – National Fabrication Leader
BHEL is India’s largest public-sector heavy electrical equipment maker, with huge fabrication capacity for power generation equipment — turbines, boilers, generators and structural steel assemblies.
Why It Matters:
- Long-standing supplier to India’s power and industrial sectors
- Large fabrication yards and advanced welding and machining facilities
- Expertise in large, high-precision assemblies
4. Mukand Ltd – Steel & Structural Fabrication Specialist
A key steel and heavy fabrication player under the Bajaj Group, Mukand produces alloy/stainless steel products, industrial machinery, crane girders, and large structural components — critical in fabrication projects across industries.
Strengths:
- Specialized in high-strength steel components
- Unique capacity for large industrial cranes and structural fabrication
5. Bharat Forge Ltd – Forging & Fabrication Excellence
Part of the Kalyani Group, Bharat Forge is one of the world’s largest forging facilities, producing heavy forged and fabricated parts used in automotive, oil & gas, marine, infrastructure, and defense.
Key Competencies:
- High-precision forging integrated with fabrication
- Strong global client base and export market
6. Walchandnagar Industries Ltd – Heavy Engineering & Fabrication
Walchandnagar Industries is a Mumbai-based heavy engineering and fabrication company serving energy, defense, industrial, and nuclear sectors with boilers, heavy machinery components, and EPC services.
Notable Strengths:
- Over a century of experience
- Fabrication capabilities for complex assemblies
7. Braithwaite & Co. Ltd – PSU Structural Fabricator
A Government of India enterprise under the Ministry of Railways, Braithwaite manufactures heavy structural steel products, industrial components, railway wagons, and cranes with high fabrication precision.
Why It’s Important:
- Serves the railways and infrastructure sectors
- Focus on heavy-welded assemblies and structural fabrication
8. Thermex Process & Pipe Fabricators
Thermax and similar firms play a strong role in process piping and pressure system fabrication, including high-pressure piping for energy, chemical, and industrial plants.
Capabilities:
- High-precision pipe fabrication
- Integration with process equipment
- Engineering and design support
9. Zetwerk – Modern Fabrication & Contract Manufacturing
A newer but fast-growing fabrication and manufacturing firm, Zetwerk focuses on custom steel fabrication and supply chain integration for heavy industrial clients and OEMs.
Why it’s Rising:
- Modern fabrication technologies
- Strong digital procurement and execution model
10. PCB Power / Specialized Fabricators
Several niche and specialized heavy fabricators offer advanced steel fabrication services — including PCB Power (steel fabrication), Ritvi Steel, and others, catering to industry-specific needs.
Why Included:
- Specialized structural steel fabrication
- Focus on regional and industrial applications
Key Trends in Heavy Fabrication (2026)
Integration with EPC and Manufacturing
Heavy fabrication companies are increasingly integrated with EPC (Engineering, Procurement & Construction) services, offering end-to-end solutions from design and procurement to on-site assembly — reducing timelines and improving quality.
Advanced Processes & Automation
Industry 4.0 adoption in welding robots, CNC machining, and digital fabrication tracking is improving precision and reducing costs.
Renewables & Energy Fabrication Growth
Growth in power sector projects (solar, wind, nuclear) fuels demand for specialized fabricated equipment, structural assemblies, and pressure vessels.
Export & International Expansion
Indian fabricators are exporting heavy equipment and structures to global markets, strengthening India’s position in fabrication globally.
Conclusion
India’s heavy fabrication industry in 2026 is dynamic, diversified, and globally competitive. From stalwarts like Bhilai, L&T, ISGEC, and BHEL to emerging players like Zetwerk, the space is rich with companies capable of delivering complex structural steel assemblies, industrial equipment, and bespoke fabrication solutions for infrastructure, power, defense, and industrial sectors.
Whether you are an investor, procurement professional, or industry enthusiast, these companies represent the strength of India’s industrial backbone and its rapid evolution into a global fabrication powerhouse.
