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L&T Precision Engineering and Systems

Larsen & Toubro Limited

Mumbai, India

Land Systems & VehiclesNaval SystemsAir SystemsSpace
Prime Contractor, System IntegratorSupplies Land Forces, Naval Forces, Air Forces, Defense Industry
Profile last updated: August 19, 2026

About

L&T Precision Engineering and Systems is a defense prime contractor based in Mumbai, India working in land systems & vehicles, naval systems, air systems +11 more.

L&T Precision Engineering and Systems (L&T PES), formerly recognised as L&T Defence, is the defence and aerospace business of Larsen & Toubro Limited. It designs, develops, manufactures, integrates and supports land platforms, marine platforms, equipment and systems for the Indian Armed Forces and overseas defence customers. Its work includes armoured platforms, artillery systems, bridging and combat engineering systems, air defence solutions, radar, naval platforms and equipment, and communications and C4I systems. The company also supplies aerospace and space hardware, including components and systems for ISRO programmes. Through Life Sustenance services cover engineering, integrated logistics support, depot and field support to keep systems mission ready. Production is organised across the Armoured Systems Complex at Hazira (Surat), the Strategic Systems Complex at Talegaon, the Strategic Electronics Centre at Bengaluru, the Precision Manufacturing & Systems Complex at Coimbatore, and the Kattupalli shipyard near Chennai. The company states it does not manufacture explosives or ammunition.

Location

Mumbai, India

Legal name

Larsen & Toubro Limited

Focus areas

defencearmoured vehiclesnaval platformsartilleryaerospacespacethrough life sustenanceshipbuilding

Languages

EN

Products & capabilities

Defense domains

Land Systems & VehiclesNaval SystemsAir SystemsSpaceUnmanned SystemsCounter-UAS & Air DefenseWeaponsC4ISRCommunications & SATCOMRadar & SensorsSimulation & TrainingArmour & ProtectionCBRN DefenseMRO & Logistics

Supply-chain role

Prime ContractorSystem IntegratorSubsystem ManufacturerComponent SupplierContract Manufacturer

What they offer

HardwareComponentsManufacturing ServicesEngineering ServicesMaintenance & Repair

Products

Armoured Platforms

Armoured vehicle

Armoured platforms manufactured, integrated and tested at the Armoured Systems Complex in Hazira, including robotic hull and turret welding.

K9 Vajra-T Artillery Platform

Self-propelled artillery

Artillery platform for which L&T PES has received an order.

Combat Engineering Systems

Combat engineering system

Bridging systems and other combat engineering systems produced at the Strategic Systems Complex in Talegaon.

Radar Systems

Radar

Radar systems produced at the Strategic Systems Complex in Talegaon.

Chemical Agent Detectors

CBRN detector

Chemical agent detectors developed at the Strategic Electronics Centre in Bengaluru.

Communications and C4I Systems

Command and control system

Communications and C4I systems, simulators, electronics and avionics developed at the Strategic Electronics Centre in Bengaluru.

Subsea Vehicles

Subsea vehicle

Subsea vehicles and underwater systems for naval applications.

Autonomous Naval Platforms

Unmanned surface or underwater vessel

Autonomous platforms for naval use.

Multi-Purpose Vessel for Indian Navy

Naval vessel

Multi-purpose vessel built for the Indian Navy at the Kattupalli shipyard.

End users

Land ForcesNaval ForcesAir ForcesDefense Industry

Standards, platforms & customers

Defense standards

AS9100

Platforms & programmes

K9 Vajra-TPinaka Rocket LauncherBvS10

Named customers

Indian ArmyIndian NavyIndian Air ForceDefence Research and Development OrganisationISRO

Credentials & affiliations

Certifications

NABL accredited test facilities

Issued by: NABL