HI-Tech Manufacturing

Heavy Engineering

L&T Heavy Engineering is a global leader in the supply of engineered-to-order, hi-tech equipment, for Refinery, Oil & Gas, Fertilizer, Petrochemical and Nuclear sectors. It offers reactors (for nuclear plants), special heat exchangers, proprietary internals, special fabrication, and high-end metallurgy pipe spools. The business has been at the forefront in the manufacturing sector for over eight decades, introducing digital Industry 4.0 techniques, products, and materials in the sector. The dedicated engineering, procurement, project management and construction teams of our Modification, Revamp and Upgrade (MRU) business offer technology-driven, quick, value-added solutions for process plants.

The A. M. Naik Heavy Engineering Complex at Hazira is a globally benchmarked, state-of-the-art, fully integrated, digitally enabled manufacturing complex. Its capability spectrum covers in-house engineering, R&D centres, and world-class fabrication facilities, spearheaded by a highly talented team, committed to a safe and sustainable work culture. The business has achieved international recognition through an impeccable track record of executing large, complex projects and constantly creating new international benchmarks.

Key Offerings

  • Ethylene oxide, Hydrocracker & clean fuel reactors
  • Renewable diesel reactor
  • FCC reactor and regenerator package
  • Coke drums
  • Molten salt-bath reactor system
  • Titanium-cladded oxidation reactor
  • Ammonia and methanol converters
  • Urea Reactor and stripper, carbamate condenser
  • Waste heat boiler package
  • HP heat exchanger
  • Nuclear power equipment : Steam Generator and Pressuriser, End Shields, Fusion Reactor (ITER), Spent Fuel Canisters & Casks
  • Modification, Revamp and Upgrade (MRU)
  • Critical Piping Spools


New Orders

  • 176

Critical Equipment

  • 23 Reactors
  • 60 Heat exchangers
  • 38 Large Vessels and Columns

Modification, Revamp & Upgrade

  • Awarded an important contract for UREA Revamp by a key Fertilizer sector customer in India on EPC basis.
  • Awarded contract for FCC revamp in India and Replacement of Regenerator Top Head for key Oil & Gas customer in the Middle East.
  • Awarded several Critical repair works involving emergency shutdown in Refineries and Fertilizer sector in India and Middle east.

Refinery & Petrochemical Sector

  • Awarded orders for supply of critical Reactors and Vessels for blue ammonia projects in USA and Uzbekistan
  • Awarded orders for Reactors and heaviest High-pressure Screw Plug Heat Exchangers for a refinery in Mexico
  • Awarded an order for World’s Heaviest Coke drums for a refinery in Mexico
  • Awarded order for 2 nos of World’s largest BASF design EO reactors for their project in China
  • Awarded order for critical Residue Upgrading Reactors and High-pressure Screw Plug Heat Exchangers for IOCL’s Panipat Refinery Expansion Project
  • Awarded a Reactor package for a PDH project in India.

Nuclear Power sector

  • Awarded orders for Steam Generators, End Shields, and Calandria in fleet mode by NPCIL

Awards & Recognition

  • 47th International Convention on Quality Control Circles (ICQCC)-2022 (1- Gold & 3- Silver)
  • National Awards for Manufacturing Competitiveness (NAMC)-2022 (1- Gold for Hazira and 1- Gold for Ranoli)
  • 9th FICCI Quality Systems Excellence Awards for Industry-2021 (Platinum Award)

Track Record

  • 121 m World’s longest column
    for Reliance Industries, India
  • 2313 MT World’s heaviest LC-Max Reactors for HPCL
  • 658 MT each World’s Heaviest Coke Drums – 6 Nos., for PEMEX, Mexico
  • 36 months Global Benchmark : Manufactured Nuclear Steam Generator for NPCIL
  • USD 412 Mn. World’s single largest order of reactors for KNPC, Kuwait
  • 16.3 m Diameter Largest RFCC package for Reliance Industries, India
  • 1500 MT World’s largest tubular reactor for Equate,Kuwait
  • 29.4 m Diameter The Cryostat, world’s largest stainless-steel, high-vacuum pressure chamber weighing 3,850 MT for ITER, France

Key Geographies


Exporting to 51 countries spread across all continents
Manufacturing Facilities 3