L&T Heavy Engineering doesn’t just build equipment. It engineers progress for a more resilient and industrially advanced world.

At the forefront of global innovation, L&T Heavy Engineering delivers engineered-to-order high-tech equipment that powers critical industries - from refineries and oil & gas to petrochemicals, fertilisers, coal gasifiers and nuclear energy.

Renowned for its expertise in nuclear reactors, special heat exchangers, proprietary internals, special fabrication and high-end metallurgy pipe spools, the business consistently pushes the boundaries of engineering excellence.

With a legacy spanning nearly nine decades, L&T Heavy Engineering (L&T HEIC) has been a pioneer in embedding Industry 4.0 technologies into manufacturing - driving unmatched precision, efficiency and scale. At its heart lies the state-of-the-art A. M. Naik Heavy Engineering Complex in Hazira, a globally benchmarked, digitally enabled, fully integrated manufacturing powerhouse. Its capability spectrum covers in house engineering, R&D centres and world-class fabrication facilities.

The business has achieved international recognition through an impeccable track record of executing large, complex projects and constantly creating new global benchmarks in scale, manufacturing the tallest, heaviest and biggest equipment, with the fastest execution.

Process Plant Equipment

We manufacture equipment using an exhaustive array of materials including low & high alloy steels, stainless and duplex stainless steels, clad & overlaid steels, exotic materials such as nickel, Monel, cupro-nickel, copper Hastelloy, titanium, zirconium and tantalum. L&T HE manufactures critical equipment & systems across sectors including refinery, cracker, oil & gas, fertiliser, petrochemicals, coal gasifiers and power. We have exported equipment and systems to more than 55 countries.

Our manufacturing capability is supported by engineering expertise in thermal and mechanical design, special analysis including stress and vibration analysis, procurement, project management and logistics.

L&T HE has a track record of supplies to refineries across the globe under Process Licensors - Axens, Chevron, Exxon Mobil, Haldor Topsoe, Scientific Design, Shell, UOP, Saipem and many more.

Nuclear Power Equipment

L&T HE Manufactures Steam Generators, End Shields and other critical equipment for PHWR, PFBR and working on critical development on upcoming LWR reactors. It also supplies critical component for heavy water & fuel processing plants. It supports ITER Program (Fusion Reactor) with design, development & manufacturing of components / assemblies like Cryostat, Blanket Assembly transporter, port welding & others. The Business leads with over 60 % market share in critical equipment manufacturing like steam generators and endshields in India. L&T has exported nuclear safety Class 1 canisters and casks to most of the nuclear plants in the USA. L&T HE Supplies all critical components including forging for Nuclear Submarine program in India.

Process Plant Internals

This business unit offers complete solutions for Process Plant Internals and exotic metallurgy equipment. The product range covers Reactor Internals, FCCU Cyclones and Ammonia Converter Baskets, manufactured at our dedicated manufacturing facility handling exotic materials. A large variety of critical internals for advanced refining processes are manufactured with stainless steel, duplex/ super duplex stainless steel, Inconel, Monel, Hastelloy, aluminum, titanium, etc.

It is an approved supplier of Proprietary Internals for CB&I-CLG, UOP, CECO, Scientific Design and Shell Global (TSS swirl assemblies).

Modification, Revamp & Upgrade

Business Verticals

• Modification, Revamp & Upgrade
• Special Fabrication Unit

Modification, Revamp & Upgrade

The Modification, Revamp & Upgrade (MRU) business of L&T Heavy Engineering specialises in enhancing the performance, reliability, safety, and sustainability of existing industrial assets across the oil & gas, refining, petrochemical, fertiliser, and process industries. The business delivers end-to-end solutions encompassing brownfield engineering, debottlenecking, capacity expansion, plant modernisation, energy-efficiency improvements, turnaround and shutdown execution, equipment replacement, and transformation initiatives.

Leveraging deep domain expertise and a strong execution track record, MRU enables customers to maximise asset value, improve operational efficiency, comply with evolving regulatory requirements, and achieve their growth objectives with minimal disruption to ongoing operations.

Our dedicated engineering, procurement, project management and construction teams of Modification, Revamp and Upgrade (MRU) business offer technology-driven, quick turnaround solutions for process plants.

Special Fabrication Unit

This unit serves the critical needs of core sectors such as energy, petrochemicals, fertiliser, gasification, subsea and land transportation. Our product range includes complex coal gasification internals, Loop Reactors for PP, LDPE and HDPE, high temperature refractory-lined convective modules, RR Package ancillaries and rings, Refractory line transfer lines / cold collectors, and filtration vessels with weld overlay for oil & gas applications. We also cater to special piping needs, including titanium piping for applications such as PTA, and slurry handling, weld overlay piping with API requirements for Onshore and Offshore O&G operations, induction bends for complex geometries and critical piping for any other industry applications.

Key Offerings : MRU

• FCC Revamp
• Coke Drum Revamp
• Complex Multidisciplinary Upgrades
• Emergency Intervention in plants
• Specialised equipment fabrication
• Critical Piping Spool

Key Geographies