STM

What STM does

STM Savunma Teknolojileri Mühendislik ve Ticaret A.Ş. is a privately held Turkish defense prime contractor founded in 2006 and headquartered in Istanbul, operating across naval platforms, unmanned systems, and command-and-control software. The company serves as prime contractor for Turkey's MİLGEM national corvette program — delivering four Ada-class corvettes to the Turkish Navy between 2011 and 2019 — and has expanded the platform into export programs for Ukraine (two corvettes), Pakistan (four corvettes), Malaysia (three LMSB2), and Portugal (two 137m replenishment ships, the first Turkish military ship export to an EU/NATO member state).

Beyond naval construction, STM develops and exports a portfolio of loitering munitions (KARGU rotary-wing, ALPAGU/ALPAGUT/KUZGUN fixed-wing), tactical UAVs (TOGAN, TURUL, BOYGA), unmanned underwater vehicles (TENGİZ XLUUV, NETA 300), and counter-UAS systems (TUNGA-X). The portfolio is unified by proprietary AI capabilities including swarm intelligence algorithms, KERKES GNSS-denied computer-vision navigation, and the ADVENT combat management system — technologies validated in operational tests including a 20-drone live-fire swarm attack at EFES-2026 in May 2026.

Commercially, STM operates exclusively through government-to-government defense procurement, bilateral defense agreements, and licensed co-production arrangements (notably with Qatar's Barzan Holdings). The company derives revenue from hardware sales of naval platforms and unmanned systems, plus professional services for C4ISR software integration and platform modernization. Distribution is supported by participation in major defense exhibitions (SAHA, DIMDEX, IDEF) and direct relationships with Turkey's Presidency of Defence Industries (SSB). Pricing is not publicly disclosed, and contracts carry multi-year delivery horizons that produce lumpy, milestone-driven revenue recognition.

Name

STM

Legal name

STM SAVUNMA TEKNOLOJİLERİ MÜHENDİSLİK VE TİCARET A.Ş.

Website

https://stm.com.tr

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

501–1,000 employees

Short description

STM is a privately held Turkish defense prime contractor founded in 2006 that designs and exports MİLGEM corvettes, loitering munitions, UAVs, UUVs, and NATO C4ISR software to allied militaries across Europe, the Middle East, and Asia.

Ownership category

akta.pro rank

Product category

Defense Systems and Naval Shipbuilding

NAICS

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Guided Missile and Space Vehicle Manufacturing (336414)

SIC

Ship & Boat Building & Repairing (3730), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)

akta.pro primary industry

Naval Shipbuilding Program Management & Defense Contracting Support (IMAJABAO)

akta.pro secondary industries

Naval C4ISR, Communications & Electronic Warfare (IMABAKAE), Naval C4ISR & Secure Communications Systems (IMAJABAL), Command, Control, Communications, Computers & Intelligence (C4I) Systems (IMABAOAA), Submarine Manufacturing (SSN/SSK/SSBN) (IMAJABAG), Defense Acquisition, Procurement & Contracting (BPAIAHAB)

Keywords

• Naval shipbuilding
• Loitering munitions
• Autonomous UAV systems
• Combat management systems
• Command control software

Headquarters

HQ city

Yogyakarta

HQ country

Indonesia

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Naval Platform Construction and Export: Design, construction and export of naval surface ships including corvettes (MiLGEM Ada-class, Istif-class), replenishment vessels, and littoral mission ships. Revenue from government defense procurement contracts domestically and international export agreements. STM serves as prime contractor for platform design, integration, material procurement, and delivery.
2. UAV and Autonomous Systems Sales: Production and sale of loitering munitions (KARGU, ALPAGU, ALPAGUT, KUZGUN), rotary/fixed-wing UAVs (TOGAN, TURUL, BOYGA), and UUVs (TENGIZ, STM NETA 300). Includes ground control stations, launchers, and associated software. Sold domestically to Turkish Armed Forces and exported to NATO and friendly nation militaries.
3. C4ISR Software and Systems Integration: Development and delivery of command and control software (TANKOM, BUKAN, GEMED), mission planning systems, combat management systems, and NATO interoperability solutions. Includes professional services for platform integration, modernization, and technology transfer.
4. Procurement and Logistics Services: Procurement and integration services for defense platforms, including material sourcing, supply chain management, and logistics support for shipbuilding and modernization programs.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

STM is a Turkish defense prime contractor that designs, builds, and exports naval surface combatants (MİLGEM Ada-class corvettes, I-class frigates, replenishment ships, STM 500 submarines), unmanned aerial systems (KARGU, ALPAGU, ALPAGUT, KUZGUN loitering munitions; TOGAN, TURUL, BOYGA, TUNGA-X UAVs), unmanned underwater vehicles (TENGİZ XLUUV, STM NETA 300), and command-and-control software (TANKOM, BUKAN, GEMED, NATO INT-CORE/AirC2IS/INTEL-FS2). Sales are made exclusively to government defense ministries and military forces through bilateral procurement agreements, with technology transfer and licensed co-production as part of export packages.

Product overview

STM (Savunma Teknolojileri ve Milli Mühendislik) is a Turkish defense contractor offering an integrated portfolio of naval platforms, autonomous aerial systems, and command & control solutions. The product portfolio centers on: (1) Naval vessels including MİLGEM Ada-class corvettes (with exports to Ukraine and Malaysia), I-class frigates, and STM 500 submarines; (2) Unmanned aerial systems including loitering munitions (KARGU rotary-wing, ALPAGU/ALPAGUT/KUZGUN fixed-wing), ISR UAVs (TOGAN, TURUL), munitions-carrying platforms (BOYGA), and counter-drone interceptors (TUNGA-X); (3) Unmanned underwater vehicles including NETA 300 and TENGİZ XLUUV; and (4) Command & control software for land, naval, and air domains including TANKOM, BUKAN, GEMED simulation, NATO systems (INT-CORE, AirC2IS, INTEL-FS2), and specialized solutions for tanks, helicopters, and coastal surveillance. The portfolio is unified through shared technologies like KERKES GNSS-denied navigation and swarm intelligence algorithms enabling coordinated multi-platform operations.

Differentiator

Problem solved

Functional benefit

Brands

• KARGU: Rotary-wing loitering munition system - combat proven autonomous tactical multi-rotor attack UAV
• ALPAGU
• ALPAGUT
• BOYGA
• TOGAN
• TENGİZ
• TUNGA-X
• KUZGUN
• TURUL
• MİLGEM
• STM 500
• STM NETA 300
• TANKOM
• BUKAN
• KERKES
• GEMED
• DAR
• FocusFlite

Products and services

• KARGU Combat-proven rotary-wing loitering munition system with autonomous swarm capability. Performs real-time target detection and classification through deep learning-based computer vision. Deployed across four continents in 15+ countries. Sold to Turkish Armed Forces and exported to NATO and allied militaries.
• ALPAGU Portable fixed-wing loitering munition system designed for tactical-level reconnaissance, surveillance, and precision strike against beyond-line-of-sight targets. Weighs under 2 kg, 8 km range, 15-minute endurance, operated by single soldier.
• ALPAGUT Fixed-wing smart loitering munition system co-developed with ROKETSAN, featuring 60+ km operational radius, 60+ minute endurance, and multi-role capability against moving or stationary land/sea targets. Uses EO/IR seeker head for precision targeting. Successfully integrated onto Baykar AKINCI unmanned combat aerial vehicle.
• KUZGUN Long-range fixed-wing loitering munition UAV with range exceeding 1,000 km. Unveiled at SAHA 2026 as part of expanded unmanned systems portfolio.
• BOYGA Multi-rotor UAV system capable of carrying and delivering 81mm mortar ammunition. Features vertical takeoff/landing, GNSS-denied operation capability (CRPA/KERKES), and combat-proven performance.
• TOGAN Multi-rotor unmanned aerial system for tactical surveillance and reconnaissance missions. Autonomously operated with day/night EO/IR sensor capability.
• TURUL Fixed-wing VTOL UAV system combining vertical takeoff/landing capability with fixed-wing aerodynamic efficiency. Features 2-hour flight time, 100 km range, EO/IR sensors, and autonomous mission planning for ISR missions.
• TUNGA-X Multi-rotor interceptor drone designed to counter hostile low-cost kamikaze drones using radar-guided autonomous interception. Reaches ~300 km/h, detects targets at up to 10 km, neutralizes threats via proximity-fused detonation.
• TENGİZ XLUUV Extra Large Unmanned Underwater Vehicle (XLUUV) for ISR, anti-submarine warfare, and electronic warfare missions. Modular multi-role configuration with ability to deploy additional unmanned systems.
• STM NETA 300 Unmanned underwater vehicle in STM's autonomous naval systems portfolio for maritime missions.
• MİLGEM Ada-Class Corvette Turkey's first domestically designed and built combat corvette platform for anti-submarine warfare and reconnaissance patrol missions. Features stealth design with low radar cross-section, integrated ADVENT combat system, 76mm main gun, ATMACA/Harpoon missiles, RAM YHSS, sonar and modern combat sensors. Exported to Ukraine, Pakistan, and Portugal.
• MİLGEM İstif-Class (I-Class) Frigate I-class frigate program (5-12) under MILGEM project, representing next-generation naval platform capabilities for Turkish Navy with enhanced combat systems. Seven I-class frigates under simultaneous construction at TAIS-affiliated shipyards.
• STM 500 Submarine Midget submarine design in STM's submarine portfolio, part of naval solutions offerings.
• TANKOM Tactical field command and control information system software providing uninterrupted C2 functions from individual tank/vehicle/soldier level to battalion task force and headquarters level for armored operations. Includes mission planning, tactical picture, fire planning, VMF messaging, and real-time situational awareness.
• BUKAN Integrated command and control system / battle management system for military platforms.
• GEMED Warfare effectiveness analysis simulation system measuring combat effectiveness of naval platforms in integrated synthetic tactical environment. Used for combat assessment, ship design/modernization, and procurement decision support using high-fidelity models and Multi-Criteria Decision Making techniques.
• KERKES GNSS-Independent Navigation GNSS-independent navigation system enabling UAV platforms to operate in GPS-denied environments using computer vision, deep learning, and AI algorithms for location estimation and mission execution. Anti-jam (CRPA) technology integrated for robust resistance against GPS jamming and spoofing in electronic warfare environments.
• DAR Through-The-Wall Radar Radar system using ultra-wideband signals to obtain 2D position information of stationary and moving targets behind walls. Used for hostage rescue, counter-terrorism, and search and rescue operations.
• YETEN Capability Inventory Defense industry capability inventory software centralizing organizational data including financial structures, HR, products, and production infrastructure. Uses AI-driven methodologies to identify technology gaps and potential domestic manufacturers.
• NATO AirC2IS NATO's strategic-level Air Command and Control and Missile Defense Planning Information System. Automates business processes for strategic analysis, planning, assignment, execution, and monitoring of NATO air operations.
• NATO INT-CORE Integration Middleware Flexible middleware enabling interoperability between heterogeneous NATO information systems. Allows new data types to be configured without code changes, supporting dynamic integration across NATO command networks.
• NATO INTEL-FS2 Intelligence Functional Services project providing NATO intelligence data direction, collection coordination, processing, and distribution. Modernizes NATO's intelligence infrastructure with new backend services and user applications.
• CYTHREAT Cyber Threat Intelligence Center Cyber threat intelligence center providing comprehensive cybersecurity solutions and threat monitoring capabilities.

Quantifiable outcome

• 20 KARGU drones executed the world's first live-fire drone swarm attack during EFES-2026 military exercise on May 20, 2026
• +3 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

AI capability8 records

Feature6 records

Partnerships

Nine partnerships are on record, tiered core and flagship.

• ROKETSANcoreStrategic or Co-development PartnerCo-development partnership for the ALPAGUT smart loitering munition system. ROKETSAN provides missile and warhead expertise while STM provides the air vehicle, mission systems, and ground control station. ALPAGUT integrates ROKETSAN's missile technology with STM's autonomous UAV platform.
• Barzan Holdings (Qatar)flagshipStrategic or Co-development PartnerMoU signed at DIMDEX 2026 for establishing local production of STM's tactical UAV systems in Qatar. Includes joint development of unmanned aerial and naval platforms. Represents a major strategic expansion of Turkish-Qatari defense industrial cooperation with technology transfer and co-production elements.
• Kongsberg MaritimecoreTechnology or IntegrationContract signed for Kongsberg to supply Fuelling-at-Sea (FAS) and Replenishment-at-Sea (RAS) equipment for two 137m replenishment ships being built by STM for the Portuguese Navy. Equipment includes fueling systems and replenishment hardware for NATO-class logistics vessels.
• ASELSANcoreImplementation/ SI/ Consulting PartnerSTM serves as subcontractor to ASELSAN on multiple C2 and mission support projects including: ALTAY tank TC3IS, Katar AGAMA command system, HETS helicopter terrain awareness, ATAK digital moving map, and TANKOM derivatives. ASELSAN provides sensor and electronics integration for STM's naval and land platforms.
• FNSScoreImplementation/ SI/ Consulting PartnerSTM's TANKOM command and control software integrated onto FNSS's KAPLAN and Pars 4x4 armored vehicles for the Silah Taşıyıcı Araç (STA) and Özel Maksatlı Taktik Zırhlı Araç programs. STM provides the software and integration support while FNSS provides the vehicle platform.
• NUROL MakinacoreImplementation/ SI/ Consulting PartnerSTM's TANKOM/AGAMA command and control software integrated onto NUROL Makina's Ejder Yalçın armored vehicles exported to Qatar Armed Forces. STM served as ASELSAN subcontractor, adapting TANKOM for the Katar AGAMA program.
• Turkish Aerospace Industries (TAIS)coreStrategic or Co-development PartnerCollaboration on MILGEM Istif-class frigate program. TAIS leads ship construction while STM provides combat management systems (ADVENT MÜREN), mission systems integration, and engineering support. Seven I-class frigates under simultaneous construction at TAIS-affiliated shipyards. Indonesia export deal financed by Barzan Holdings with TAIS building two additional frigates.
• TAIS (Turkish Aerospace Industries)flagshipStrategic or Co-development Partner$1 billion agreement between TAIS and Qatar's Barzan Holdings for procurement of two Istif-class frigates for Indonesian Navy. STM participates in the broader Turkish defense industrial cooperation ecosystem with TAIS on naval platform programs.
• Presidency of Defence Industries of Turkey (SSB)coreStrategic or Co-development PartnerSSB is the primary customer and program authority for STM's domestic defense programs including MiLGEM, naval modernization, and UAV development. SSB authorizes STM as prime contractor for export of Ada-class corvettes and other platforms.

Scale indicators11 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• ASELSAN: Turkey's largest defense electronics company; STM is both a partner and competitor on tactical C2 (TANKOM/AGAMA), C4ISR software, and sensor integration for armored and naval platforms, including acting as ASELSAN subcontractor on multiple programs.
• ROKETSAN: Turkish missile and rocket manufacturer that co-developed ALPAGUT with STM and supplies warheads across Turkish loitering-munition and precision-strike programs; competes in adjacent strike-effect domains.
• HAVELSAN: Turkish defense software and simulation house competing directly with STM in C4ISR, naval combat management, and command-and-control programs for the Turkish Armed Forces and export customers.
• Baykar: Turkish UAV/loitering-munition prime (TB2, AKINCI, KEMANKES) that hosts STM's ALPAGUT on AKINCI and is the most direct Turkish competitor in combat-proven drone exports to Ukraine, Gulf, and African customers.
• Navantia: Spanish naval shipbuilder producing corvettes, frigates, and replenishment ships for NATO and export navies; the most direct head-to-head competitor to STM for future EU/NATO replenishment and light-corvette tenders.
• Fincantieri: Italian naval prime building frigates, corvettes, and support ships for NATO and allied navies; competes with STM in NATO surface-ship tenders and integrated combat-system packages.
• Damen Naval: Dutch shipbuilder with global corvette, offshore patrol vessel, and support-ship franchises; competes with STM for naval export orders in Southeast Asia, the Middle East, and Latin America.
• Elbit Systems: Israeli defense electronics and UAV house with strong loitering-munition (Rotem) and tactical C2 offerings; competes with STM in European and emerging-market UAV/C4ISR tenders and as a sensor/avionics alternative.
• TAI (Turkish Aerospace Industries): Turkish Aerospace Industries builds air platforms and leads construction of the I-class frigates that STM integrates combat systems into; both a partner on MILGEM/Indonesia exports and an adjacent defense prime in the Turkish ecosystem.

Broad incumbents

• Thales Group: Global defense incumbent with major naval combat management, sonar, C2, and NATO C4ISR businesses; competes with STM for NATO and Gulf navy modernization programs and is a likely counter-bidder in any Western expansion.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/STMDefence
• YouTubeyoutube.com/c/STMDefence
• Facebookfacebook.com/STMDefence
• LinkedInlinkedin.com/company/stmdefence
• Instagraminstagram.com/stmdefence

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 STM