Company lists · Data refreshed November 2026

Top 14 Underwater contractors based in Türkiye

RevenueBase identified 91 company matches for underwater contractors associated with Türkiye as of November 2026 and tracks 1,047 professional contacts across them, including 83 with verified work emails. Istanbul is the largest hub.

This list covers company matches for underwater contractors associated with Türkiye, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
91Companies
1,047Contacts tracked
83Verified emails
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The 14 largest underwater contractors based in Türkiye

Ranked by team size
Top 14 of 91 company matches for underwater contractors based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPendik, TürkiyeHQ recorded Nov 6, 2026201-500199 contacts →

Exact match

“ARAS is one of the most outstanding private companies of Turkey on issues of salvage, towage, and marine construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSisli, TürkiyeHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“DenAr Ocean Engineering Services SA was founded in 2007 and its headquarter is in Istanbul.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Çalışanlarının 25 yılı aşkın deniz, sualtı ve telekomünikasyon endüstrileri tecrübelerini birleştiren GateMarine, 2006 yılında sualtı teknolojileri üzerine özel tasarım üretimleri…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEvliya Çelebi, TürkiyeHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Dear Sir or Madam, DEGEM is one of the most experienced company established for Ship Maintenance and Repair Business in Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchTuzla, TürkiyeHQ recorded Nov 6, 2026201-50016 contacts →

Exact match

“Derya Group was founded in 1992 in Istanbul, Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchTrabzon, TürkiyeHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“Degz is an underwater robotics company innovating components and vehicles.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Haktan denizcilik, kendisi gibi 20 yılı aşkın süredir römorkaj, kurtarma, dalgıçlık ve offshore hizmetlerinde alanın da en iyi deneyim ve tecrübeye sahip profesyonel bir ekibi bir…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Offshore C/W Pipeline Construction Subsea Oil & Gas Pipelines Scaffolding Construction Dredging Services Ship Hull Survey Services Pipeline Survey Services Salvage Wreck Removal…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTuzla, TürkiyeHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Repair Services - Engine Parts Reconditioning - Underwater Services - Shipyard Preparations and Supervision - Technical Supply Euroasia Marine Services is a ship repair service…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAntalya, TürkiyeHQ recorded Nov 6, 2026201-5005 contacts →

Exact match

“Antalya, Türkiye merkezli firmamız deniz yapıları ve inşaatları konularında uzman personeli ve tam donanımlı ekipmanları ile 2008 yılından bu yana Denizcilik İnşaat ve Altyapı…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261-104 contacts →

Exact match

“WHO WE ARE?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-2003 contacts →

Exact match

“Rota Construction, had been Established in 1991, Rota Construction has successfully completed many infrastructure projects in Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBornova, TürkiyeHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Nesne has been aiming for R&D studies, production and implementation stages on underwater technologies and equipment/systems since 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 14 of 91 underwater contractors based in Türkiye

See the full list, filter by size, metro and specialty, and access 83 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Underwater contractors based in Türkiye at a glance

As of Nov 6, 2026
7.9%Verified-email coverage
11.5Average contacts per company
11-50Median size (employees)
40.7%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
30
51-200
18
201-500
6
501-1,000
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 91 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Türkiye whose business descriptions match “underwater contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 83 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “underwater contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underwater contractors are there based in Türkiye?

RevenueBase identified 91 company matches for underwater contractors associated with Türkiye as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Aras Marine Construction CO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most underwater contractors?

Istanbul leads with 37 company records, followed by Tuzla (8) and Ankara (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 83 professional contacts with verified work emails tracked across these 91 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.