GÜRDESAN Exports and References: Greenland to the Caribbean

Quick answer: GÜRDESAN’s export and reference picture rests on two pillars: worldwide use of its commercial ship equipment, and defence production inside Turkey centred on the submarine programme. The company states that its products serve “from Greenland to the Caribbean” across all seas; the country-by-country export breakdown and the amounts involved: Not officially disclosed.
Commercial references: class approval and geography
In marine equipment exports the decisive threshold is classification society approval; equipment certified to a given class’s rules can be used in the markets where that class is accepted. GÜRDESAN states that it works with international classification societies including ABS, DNV, GL, BV, RINA, Türk Loydu and LR, and that its production inputs are certified with their approval. Product photos on the official website include production for overseas projects such as the equipment series marked GREENLAND. The company’s product groups are summarised in the products guide.
Known reference work
| Reference | Scope | Verification source |
|---|---|---|
| Reis-class submarine Section 50 | First production of the torpedo tube section in Turkey; delivered to Gölcük in September 2021 | AA, Denizhaber, DefenceTurk |
| New Type Submarine Project internal blocks | Internal block fabrication in 2016 | Denizhaber |
| ITU Large Cavitation Tunnel (KATMANSİS) | Fabrication of the tunnel with domestic means; opened December 2021 | MarineDeal News, Hürriyet |
| Global merchant fleet | Use of deck equipment and machinery on ships under various flags | Company statement (gurdesanyard, SAHA Istanbul) |

What the defence reference means
In the defence industry, a reference often comes before direct exports: a company’s completion of a critical military production serves as proof of qualification in subsequent tenders. GÜRDESAN’s Section 50 production matters in this respect; few countries can build the torpedo tube section, and while the first two boats’ sections came from Germany (TKMS), production was moved to Turkey from the third boat onwards. The process is described in detail in the submarine projects file. The company is also listed in the industry catalogue of the Presidency of Defence Industries and among SAHA Istanbul members, which gives it visibility in the domestic supply chain.

Undisclosed figures
The company’s annual export value, country-based sales breakdown, total headcount and revenue: Not officially disclosed. As GÜRDESAN is not publicly listed, it has no obligation to publish these figures. This file reports only the references that can be verified through the official site, the group site, the SAHA Istanbul record and independent news sources; the ownership structure is examined in the Who owns GÜRDESAN? file.
How marine equipment exports work
Marine equipment exports rarely take the form of a direct sale to a foreign shipowner; they flow through three channels. The first is supplying equipment for ships built at Turkish yards for foreign owners; when the ship is delivered, the equipment is effectively exported with it. The second is direct equipment sales to shipyards and owners abroad, where class approval and the reference list are decisive. The third is repair, maintenance and overhaul of ships in service; maintenance of foreign-flagged ships in Turkey also counts as foreign-currency-earning service exports. GÜRDESAN’s “from Greenland to the Caribbean” phrase describes the combined result of these three channels: ships carrying the company’s equipment operate under different flags in different seas. The GREENLAND-marked equipment series in the official site’s product photos is a visible example of deliveries made for ships working in northern waters. No figure has been published on how many ships’ outfitting the company contributed to in any given year, which is why this file describes the channels without quantities or amounts. The data of the Turkish Ship, Yacht and Services Exporters’ Association tracks sector totals, but as no company-level breakdown is publicly available, no estimate of GÜRDESAN’s share was included here. For those following the company’s export activity, the most reliable channels are the news section of the official site, SAHA Istanbul announcements and project delivery reports in the industry press.
Frequently asked questions
To which countries does GÜRDESAN export?
The country list: Not officially disclosed. The company states that its products are in service from Greenland to the Caribbean, a phrase based on project-by-project deliveries.
How large are its exports?
Not officially disclosed. As the company is not publicly listed, it does not publish its financial figures.
What is its strongest reference?
The strongest publicly known reference is the first-ever production in Turkey of the Reis-class submarines’ Section 50 torpedo tube section at the Gürdesan Shipyard.
Why does class approval matter for exports?
Marine equipment must be certified to the rules of the classification society of the receiving ship; without approval, the equipment cannot be fitted to ships in international trade.
Has GÜRDESAN exported defence products?
There is no officially disclosed information on a direct military export delivery; the company’s defence references to date are concentrated in programmes inside Turkey.
Sources and verification note
Every row in the reference table was matched with at least one independent source; statements originating from the company are explicitly labelled as such in the text. Accessed: August 13, 2026.
- https://www.gurdesanyard.com/hakkimizda
- https://www.sahaistanbul.org.tr/firma/gurdesan-gemi-mak-san-tic-a-s
- https://www.aa.com.tr/tr/bilim-teknoloji/denizaltilarin-torpido-kovan-bolumu-ilk-kez-turkiye-de-uretildi/2364475
- https://www.denizhaber.net/turkiyede-uretilen-ilk-section-50-golcuk-tersane-komutanligina-teslim-edildi-haber-104079.htm
- https://www.denizhaber.net/gurdesan-gemi-makina-a-s-yonetim-kurulu-baskani-mustafa-gursoy-vefat-etti-haber-101313.htm
- https://www.marinedealnews.com/katmansis-kullanima-acildi/
- https://www.gurdesan.com.tr/Kategori/Guverte-Ekipmanlari

