STM (Turkish company)

Lore & Background

STM was established in 1991 by decree from the Turkish Government’s Defence Industry Executive Committee to provide project management, system engineering, technology transfer, technical and logistical support, and consultancy services to the Presidency of the Republic of Turkey, Presidency of Defense Industries (SSB), and the Turkish Armed Forces (TSK). It is headed by Chairman Prof. Dr. İhsan Kaya and General Manager Özgür Güleryüz.

The company operates through three main divisions: engineering, technology, and consultancy, and works in military naval platforms, cybersecurity, autonomous systems, radar systems, satellite technologies, command and control systems, certification, and consultancy. Major projects include serving as main subcontractor for the MILGEM Ada-Class Corvettes, participation in the Reis-Class submarine program, contribution to the T129 ATAK helicopter mission support system, and modernization of Pakistan Navy Agosta 90B class submarines. STM also produces the STM Kargu rotary wing drone, the STM Tengiz extra large unmanned underwater vehicle, and the STM ALPAGU-B fixed-wing loitering munition.

Reader's Guide

STM's significance lies in its role as a key indigenous supplier to the Turkish Armed Forces, particularly the Turkish Naval Forces, providing systems and solutions that reduce foreign dependency. Its inclusion in the Defense News Top 100 for three consecutive years starting in 2018 highlights its growing international recognition. The company's portfolio spans naval platforms (MILGEM corvettes, Reis-class submarines), autonomous systems (Kargu drone, Tengiz XLUUV, ALPAGU-B loitering munition), and cybersecurity, reflecting a broad defense technology base. Its work on the modernization of Pakistan Navy submarines and engineering support for Pakistan's fleet tanker demonstrates its export and collaboration capabilities. STM's legacy is tied to advancing Turkey's defense self-sufficiency through projects like the MILGEM corvettes and the ALTAY main battle tank's command and control system, as well as its contributions to electronic identity cards and satellite technologies.

Did You Know?

• STM served as the main subcontractor for Turkey's first national corvette project, the MILGEM Ada-Class Corvettes.
• STM developed the STM Tengiz, an advanced Extra Large Unmanned Underwater Vehicle (XLUUV) for maritime defense.