L&T Precision Engineering and Systems

What L&T Precision Engineering and Systems does

L&T Precision Engineering and Systems (L&T PES) is a defence and aerospace business segment of Larsen & Toubro Limited, one of India's largest publicly listed engineering conglomerates. The company designs, develops, manufactures, and through-life-supports a wide portfolio across four domains: Land Platforms (K9 Vajra-T artillery, armoured systems, bridging systems, Tratr 40mm air defence gun, Teevra naval turret, Sudarshan CIADS, combat engineering radars including Ashwini and Arudhra); Marine Platforms (submarines, the L&T SOV diesel-electric midget submarine, AUVs Amogh/Adamya/Maya, sonar domes, waterjet propulsion systems LT850/LT950, and full shipbuilding at Kattupalli); Aerospace Systems (TEER and Abhyas aerial targets, tactical UAVs, launch vehicle and satellite subsystems for ISRO including 300+ rocket motor casings, Gaganyaan Crew Escape System content above 70%, aerostructures for LCA and helicopters); and Electronics (dual-band fire control radars, monopulse tracking radars, avionics, chemical agent detectors based on Ion Mobility Spectrometry, iTACS-N integrated command system, integrated platform management systems, and tactical LTE communications).

Underlying capabilities span precision machining of exotic materials (maraging steel, titanium, super-nickel alloys), composite manufacturing via Vacuum Assisted Resin Transfer Moulding, additive manufacturing, vacuum brazing, and proprietary system integration. The company holds AS9100 across all production centres, NABL-accredited test facilities, CMMI Level 3 for submarine design and construction, and operates five DSIR-recognised R&D centres. Manufacturing infrastructure includes a 50-acre Armoured Systems Complex at Hazira, a 52-acre Precision Manufacturing & Systems Complex at Coimbatore, a Strategic Systems Complex at Talegaon, a Strategic Electronics Centre at Bengaluru, and a state-of-the-art shipyard at Kattupalli.

The business model is exclusively B2B government defence procurement. Revenue is generated through (a) hardware sales under equipment contracts with the Indian Ministry of Defence, Armed Forces, DRDO, and ISRO, and (b) through-life support services including Annual Maintenance Contracts, Comprehensive Annual Maintenance Contracts, and Performance Based Logistics Contracts. Distribution is direct to government buyers within India only, with pricing confidential and contract-driven. Technology partnerships with BAE Systems, GA-ASI, MBDA, Navantia, Hanwha, IAI-ELTA, BEL, Exail, and IIT Madras/Kanpur/Delhi supplement indigenous R&D.

Name

L&T Precision Engineering and Systems

Legal name

Larsen & Toubro Limited

Website

https://lntpes.com

Company type

Private

Operating status

Operating

Headcount range

501–1,000 employees

Short description

L&T Precision Engineering and Systems is the defence and aerospace division of Larsen & Toubro Limited, designing and manufacturing land platforms, submarines, AUVs, radars, avionics, UAVs, and space subsystems for the Indian Armed Forces, DRDO, and ISRO.

Ownership category

akta.pro rank

Product category

Defence and Aerospace Manufacturing

NAICS

Guided Missile and Space Vehicle Manufacturing (336414), Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419), Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing (336415), Aerospace Product and Parts Manufacturing (33641), Military Armored Vehicle, Tank, and Tank Component Manufacturing (336992)

SIC

Guided Missiles & Space Vehicles & Parts (3760), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812), Aircraft Parts & Auxiliary Equipment, Nec (3728), Ordnance & Accessories, (No Vehicles/Guided Missiles) (3480)

akta.pro primary industry

Radar Systems & Subsystems (Airborne, Ground, Naval) (IMABAGAA)

akta.pro secondary industries

Turrets, Remote Weapon Stations (RWS) & Armament Integration (IMABAJAI), Submarine Combat Systems & Sonar Manufacturing (CMS, Sensors, EW) (IMAJAOAH), Guidance, Navigation & Control (GNC) Electronics for Weapons (IMABAGAH), Propulsion Control, Monitoring & Automation (ECS, PMS interface) (IMAJAHAH)

Keywords

• Defence manufacturing
• Aerospace engineering
• Naval platforms
• Radar systems
• Submarine construction

Headquarters

HQ city

Mumbai

HQ country

India

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Infrastructure, Technology or R&D, Supply Chain, Operations

Revenue model

1. Defence Equipment Manufacturing: Design, development, manufacturing and supply of defence equipment and systems to Indian Armed Forces including land platforms, marine vessels, aerospace systems and electronics. Revenue generated through government defence contracts, both development programmes and production orders.
2. Through Life Support Services: Comprehensive lifecycle support services including installation, commissioning, maintenance, overhaul, refurbishment, system upgrades, and spares management for supplied equipment. Revenue through Annual Maintenance Contracts, Comprehensive Annual Maintenance Contracts, and Performance Based Logistics Contracts.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

L&T Precision Engineering and Systems is the defence and aerospace business segment of Larsen & Toubro Limited that designs, develops, manufactures and supplies complex land platforms (K9 Vajra-T artillery, armoured systems, air defence, bridging systems), marine platforms (submarines, AUVs, warships, sonar domes, waterjet propulsion), aerospace systems (launch vehicle and satellite subsystems for ISRO, aerostructures, UAVs), and electronics systems (radars, command and control, avionics, chemical agent detectors) to the Indian Armed Forces, DRDO, and ISRO, with associated through-life support services.

Product overview

L&T Precision Engineering and Systems is a defence and aerospace engineering company providing a comprehensive portfolio of complex systems across four main domains: Land Platforms Equipment and Systems (Armoured Platforms, Artillery Systems, Air Defence Solutions, Combat Engineering Systems, Life Extension and Upgrades), Marine Platforms Equipment and Systems (Submarines, Autonomous Naval Platforms including AUVs and underwater targets, Marine Equipment including propulsion and sonar systems, Shipbuilding), Aerospace Systems (Space systems including launch vehicle and satellite subsystems, Aeronautics aerostructures, Unmanned Aerial Vehicles), and Electronics Products and Systems (Radars and Tracking, Communication Systems, IPMS, Command & Control Systems, Avionics, Chemical Agent Detectors). The company operates as a platform with multiple specialized product lines serving the Indian Armed Forces, DRDO, ISRO, and international defence customers. All production centres are AS9100 certified with NABL accredited test facilities.

Differentiator

Problem solved

Functional benefit

Brands

• L&T TEER Aerial Target: Manoeuvrable Recoverable Aerial Target (MRAT) platform for target practice for air defence weapon systems
• L&T Abhyas Aerial Target
• L&T Tactical UAV
• L&T SOV
• iTACS-N
• Through Life Support (TLS)
• AUV Amogh
• AUV Adamya
• AUV Maya
• Tratr
• Teevra
• Sudarshan

Products and services

• Shipbuilding Portfolio (Warships, Multi-Purpose Vessels, Auxiliary Vessels)
• Submarines
• L&T SOV (Special Operations Vessel)
• Autonomous Underwater Vehicles (AUV Amogh, Adamya, Maya) and Expendable Underwater Target (EUT)
• Waterjet Propulsion Systems (LT850, LT950, 651 kW)
• Sonar Domes
• Propulsion Shafting Systems
• Helicopter Handling and Traversing Systems (NGHHTS, HTSS, Foldable Hangar Doors)
• Chemical Agent Detectors (FCAD, PCAD, SICADs, INCS)
• iTACS-N (Integrated Tactical Action System for Naval Platforms)
• Fire Control System (FCS)
• Counter Drone System (CDS)
• Avionics Systems (ECFM, CIU, SEI, Integrated SIS, ILSS)
• Integrated Platform Management System (IPMS)
• Tactical Communication System and C4I / RDCS / Network-in-a-Box (NIB)
• Radar Systems (FCR, PMTR, Dual Band Stabilised Tracking and Telemetry System, Coastal Radar System)
• Air Defence Solutions (Tratr 40 mm AAD Gun, Teevra 40 mm Naval Turret, Sudarshan CIADS)
• 40 mm Naval Turret System - Teevra
• Life Extension and Upgrade Solutions (BMP IFV Power Pack, TIFCS, GRAD BM-21, L-70, Zu-23 Upgrades)
• Combat Engineering Radar Systems (Rohini/Akash Army Prime Radar, Ashwini 4D Radar, Arudhra, 3D CAR-P)
• Space Systems (Launch Vehicle Subsystems, Satellite Subsystems, SATCOMM Ground Systems, Engine Subsystems)
• Aeronautics (Aerostructures for LCA, TAPAS UAV, Nirbhay UAV, helicopters, airborne launchers)
• Unmanned Aerial Vehicles (TEER, Abhyas, Tactical UAV)
• Submarine Training Simulators (Escape Training Tower, Damage Control & Fire Fighting Facility, Motion Control Simulators)
• Through Life Support (TLS) Services

Quantifiable outcome

• Over 400 naval platform installations
• +4 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

16 partnerships are on record, tiered core, major and minor.

• Exail (France)coreTechnology or Integration · 14 May 2026Partnership with France-based Exail for Indian Navy's Unmanned Mine Counter Measure Suite. Exail providing technology for unmanned MCM systems integrated by L&T.
• Indian ArmycoreStrategic or Co-development Partner · 8 January 2026Partnership for Sustenance & Upgradation of In-Service Pinaka Rocket Launcher Systems. Through Life Support services for existing military equipment.
• BAE SystemscoreOEM/ Whitelabel/ Licensing Partner · 19 November 2025Larsen & Toubro and BAE Systems secured Indian Army licensed manufacturing contract for BvS10 (BvS10 articulated tracked vehicle). L&T secured licensed manufacturing rights for Indian Army requirements.
• Dynamatic TechnologiesmajorOEM/ Whitelabel/ Licensing Partner · 4 November 2025Onboarded as exclusive partner for L&T-BEL's 5th Generation Fighter Aircraft Alliance. Dynamatic Technologies providing exclusive manufacturing partnership.
• GA-ASI (General Atomics Aeronautical Systems)coreStrategic or Co-development Partner · 31 October 2025Strategic partnership announced for MALE (Medium-Altitude Long-Endurance) RPAS (Remotely Piloted Aircraft Systems) manufacture in India. Joint manufacturing initiative for Indian defence requirements.
• BEL (Bharat Electronics Limited)coreStrategic or Co-development Partner · 24 September 2025Strategic partnership with BEL for India's 5th Generation Fighter Aircraft Programme. L&T-BEL alliance for development and production of critical systems.
• ISRO (Indian Space Research Organisation)coreStrategic or Co-development Partner50+ years of trusted partnership with ISRO supplying launch vehicle hardware and sub-systems starting from SLV programme in 1975. Products include rocket motor casings, interstage structures, payload fairings, crew escape systems for Gaganyaan, and ground infrastructure.
• DRDO (Defence Research & Development Organisation)coreStrategic or Co-development PartnerSignificant contributor to DRDO programmes including design, development and realisation of weapon launch and control systems, combat engineering systems, and submarine construction. Development partner for Abhyas UAV and other programmes.
• Indian Armed ForcescoreStrategic or Co-development PartnerLong-term strategic partnerships with Indian Army, Navy, Air Force and Coast Guard for supply and support of defence systems including land platforms, naval vessels, and aerospace equipment.
• MBDAmajorTechnology or IntegrationTechnology tie-up for missiles and missile systems.
• Hanwha Land Systems (Korea)majorTechnology or IntegrationTechnology tie-up for Tracked SP Guns (Self-Propelled Artillery).
• Navantia (Spain)majorTechnology or IntegrationTechnology tie-up for naval platforms.
• IAI-ELTA (Israel)majorTechnology or IntegrationTechnology tie-up for radar systems.
• IIT MadrasminorStrategic or Co-development PartnerUniversity collaboration programme for Unmanned Vehicles research and development.
• IIT KanpurminorStrategic or Co-development PartnerUniversity collaboration programme for Command and Control systems development.
• IIT DelhiminorStrategic or Co-development PartnerUniversity collaboration programme for Sensors technology development.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Cochin Shipyard Limited: Public-sector shipbuilder of naval and commercial vessels. Comparable to L&T PES in Indian naval shipbuilding (aircraft carriers, naval platforms) and as a peer in the Indian defence shipbuilding landscape.
• Bharat Dynamics Limited (BDL): India's leading missile and guided-weapons systems manufacturer, comparable to L&T PES in weapon launch and control systems, anti-tank guided missiles, and torpedo systems. Domestic competitor in the guided-munitions segment.
• General Atomics Aeronautical Systems (GA-ASI): US-based manufacturer of MALE RPAS (Predator/MQ-9 series) and strategic partnership collaborator with L&T PES for MALE UAV manufacture in India. Comparable in unmanned aerial systems and as a foreign OEM with local production partnership.
• Hindustan Aeronautics Limited (HAL): India's flagship aerospace manufacturer producing fighter aircraft, helicopters, and aerostructures. Comparable as L&T PES's main domestic peer in aerostructures (LCA wings, helicopter components) and avionics systems for military aircraft programmes.
• Garden Reach Shipbuilders & Engineers (GRSE): Public-sector shipbuilder specialising in frigates, corvettes, and naval platforms for the Indian Navy. Comparable to L&T PES in warship construction, marine equipment, and through-life naval support services.
• Navantia: Spanish naval shipbuilder and technology partner of L&T PES for Indian Navy naval platforms. Comparable as a global naval shipbuilder with technology-transfer and licensed-production relationships analogous to L&T PES's positioning.
• Bharat Electronics Limited (BEL): India's primary defence electronics PSU and a strategic co-development partner of L&T PES on the 5th Gen Fighter programme. Comparable across radars, communication systems, electronic warfare, C4I, and naval electronics — overlapping with L&T PES's electronics product portfolio.
• Mazagon Dock Shipbuilders: India's premier submarine and warship builder, public-sector competitor of L&T PES in naval platforms (submarines, frigates, destroyers), sonar domes, and shipyard services. Directly comparable as the other leading domestic source for Indian Navy submarine construction.
• BAE Systems: Global defence prime and licensed-manufacturing partner of L&T PES on the BvS10 articulated tracked vehicle for the Indian Army. Comparable as a global defence prime with overlapping land-platform, naval, and aerospace capabilities, and a co-manufacturing partner in India.

Broad incumbents

• Thales: Global defence electronics and systems-integration incumbent operating broadly across radars, avionics, naval combat systems, and electronic warfare. Comparable to L&T PES as a broader defence-electronics and naval-systems incumbent, though not a direct India-only competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/l-t-precision-engineering-and-systems

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about L&T Precision Engineering and Systems