Company lists · Data refreshed November 2026
Top 25 Underwater engineering firms based in Türkiye
RevenueBase identified 195 company matches for underwater engineering firms associated with Türkiye as of November 2026 and tracks 3,831 professional contacts across them, including 496 with verified work emails. Istanbul is the largest hub.
This list covers company matches for underwater engineering firms 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.
The 25 largest underwater engineering firms based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,813 contacts → | ||||
Exact match “TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 199 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 | |||||
| 3 | 91 contacts → | ||||
Exact match “Stadia Engineering and Consultancy was established in 2018.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 55 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 | |||||
| 5 | 44 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 35 contacts → | ||||
Exact match “Kara Doğal Gaz Boru Hatları Projeleri, İnovasyon Projeleri, Havaalanı Projeleri, Sualtı Deniz Doğal Gaz Boru Hatları Projeleri, Deniz Dibi tarama ve Susuzlaştırma Projeleri…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 25 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 | |||||
| 8 | 22 contacts → | ||||
Exact match “Advens Mühendislik A.Ş, Türkiye’nin önemli teknoloji üslerinden biri olan Teknopark İstanbul’da, tesis güvenlik sertifikalı ofisinde tüm çalışmalarını büyük bir gizlilik ve…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “Çalık Proje Mühendislik; Enerji, Petrol, Gaz ve Endüstri piyasalarında yer alan çeşitli firmalar – yükleniciler, işverenler ve finans kuruluşlarına 22 yıldır hizmet veren bir…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 20 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 16 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 | |||||
| 12 | 12 contacts → | ||||
Exact match “ARTI Engineering is an independent marine consultancy and design company established in 2001 in Tuzla, Istanbul where the heart of the Turkish shipbuilding industry beats.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “Matesis is a full-service naval architecture and marine engineering firm serving clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 12 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 | |||||
| 15 | 11 contacts → | ||||
Exact match “Founded in 2011, MBY is an engineering and technology company trusted to resolve complex challenges where structural performance, architectural ambition, constructability and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match “Etkin Marin is a company brings innovative engineering solutions to the marine industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “Our company has always targetted providing quality engineering services by following the latest technology with its knowledge and experience on Marine Structures for more than 30…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “AYKOME, tescilli sloganı olan Altyapı Koordinasyon Merkezi kısaltması olarak markalaşmıştır.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 8 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 | |||||
| 20 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “ECONINS considers operating by developing itself in the projects which it has undertaken with the spirit of team work as a duty.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 5 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 | |||||
| 23 | 4 contacts → | ||||
Exact match “WHO WE ARE?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “GCO İnşaat Taahhüt ve Mühendislik Sanayi Ticaret Limited Şirketi İnşaat, Harita ve Jeofizik Mühendisliği tecrübesinin bir araya getirilmesiyle kurulmuş bir şirkettir.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “CLZ Engineering & Consulting was founded by Mustafa Cılız (MSc, Civil Engineering), who has worked many years as a professional executive in every stage of investment and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “underwater engineering firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 195 underwater engineering firms based in Türkiye
See the full list, filter by size, metro and specialty, and access 496 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Underwater engineering firms based in Türkiye at a glance
As of Nov 6, 2026Companies by employee count
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 195 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 engineering firms” 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 496 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.
Underwater engineering firms by metro
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 engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many underwater engineering firms are there based in Türkiye?
RevenueBase identified 195 company matches for underwater engineering firms 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?
Tp-Otc tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most underwater engineering firms?
Istanbul leads with 65 company records, followed by Tuzla (15) and Ankara (11).
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 496 professional contacts with verified work emails tracked across these 195 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.
Ready to reach these companies? Verified emails and direct dials for all 195 underwater engineering firms based in Türkiye. Start with a free account, no credit card.
Download this list →Related lists
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Browse the directory
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.
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Company intelligence · public preview
Top 25 underwater engineering firms based in Türkiye
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 195 matching company records for underwater engineering firms based in Türkiye, with 3,831 tracked contacts and 496 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 underwater engineering firms based in Türkiye
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Tp-Otctp-otc.comHQ: Çankaya, TürkiyeReported employees: 501-1,000 | Çankaya, Türkiye | 501-1,000 | Exact match | 1,813 contacts → |
“TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Aras Marine Construction COaras-marine.comHQ: Pendik, TürkiyeReported employees: 201-500 | Pendik, Türkiye | 201-500 | Exact match | 199 contacts → |
“ARAS is one of the most outstanding private companies of Turkey on issues of salvage, towage, and marine construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Stadia Engineeringstadia.com.trHQ: Çankaya, TürkiyeReported employees: 51-200 | Çankaya, Türkiye | 51-200 | Exact match | 91 contacts → |
“Stadia Engineering and Consultancy was established in 2018.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Denar Ocean Engineering Services SAden-ar.comHQ: Sisli, TürkiyeReported employees: 11-50 | Sisli, Türkiye | 11-50 | Exact match | 55 contacts → |
“DenAr Ocean Engineering Services SA was founded in 2007 and its headquarter is in Istanbul.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Kuasar Marin Engineering INCkuasarmarin.comHQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 44 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Atlas Madenatlasmaden.comHQ: Kadıköy, TürkiyeReported employees: 201-500 | Kadıköy, Türkiye | 201-500 | Exact match | 35 contacts → |
“Kara Doğal Gaz Boru Hatları Projeleri, İnovasyon Projeleri, Havaalanı Projeleri, Sualtı Deniz Doğal Gaz Boru Hatları Projeleri, Deniz Dibi tarama ve Susuzlaştırma Projeleri…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Gatemarinegatemarine.comHQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 25 contacts → |
“Çalışanlarının 25 yılı aşkın deniz, sualtı ve telekomünikasyon endüstrileri tecrübelerini birleştiren GateMarine, 2006 yılında sualtı teknolojileri üzerine özel tasarım üretimleri…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Advens Engineeringadvens.com.trHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 22 contacts → |
“Advens Mühendislik A.Ş, Türkiye’nin önemli teknoloji üslerinden biri olan Teknopark İstanbul’da, tesis güvenlik sertifikalı ofisinde tüm çalışmalarını büyük bir gizlilik ve…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Çalık Proje Mühendislik A.Şcalikproje.comHQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 21 contacts → |
“Çalık Proje Mühendislik; Enerji, Petrol, Gaz ve Endüstri piyasalarında yer alan çeşitli firmalar – yükleniciler, işverenler ve finans kuruluşlarına 22 yıldır hizmet veren bir…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  HSB Marine Constructionhsbmarine.comHQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 20 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  Derya Group İnşaat VE Tersanecilik A.Şderyagroup.comHQ: Tuzla, TürkiyeReported employees: 201-500 | Tuzla, Türkiye | 201-500 | Exact match | 16 contacts → |
“Derya Group was founded in 1992 in Istanbul, Turkey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Arti Engineering LTDarti.tcHQ: Istanbul, TürkiyeReported employees: 1-10 | Istanbul, Türkiye | 1-10 | Exact match | 12 contacts → |
“ARTI Engineering is an independent marine consultancy and design company established in 2001 in Tuzla, Istanbul where the heart of the Turkish shipbuilding industry beats.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Matesis Marine & Engineering COmatesis.com.trHQ: Sanayi, TürkiyeReported employees: 11-50 | Sanayi, Türkiye | 11-50 | Exact match | 12 contacts → |
“Matesis is a full-service naval architecture and marine engineering firm serving clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  DEGZdegzrobotics.comHQ: Trabzon, TürkiyeReported employees: 1-10 | Trabzon, Türkiye | 1-10 | Exact match | 12 contacts → |
“Degz is an underwater robotics company innovating components and vehicles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  MBYmby-e.comHQ: İstanbul, TürkiyeReported employees: 1-10 | İstanbul, Türkiye | 1-10 | Exact match | 11 contacts → |
“Founded in 2011, MBY is an engineering and technology company trusted to resolve complex challenges where structural performance, architectural ambition, constructability and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Etkin Marinetkinmarin.comHQ: Yalova, TürkiyeReported employees: 51-200 | Yalova, Türkiye | 51-200 | Exact match | 10 contacts → |
“Etkin Marin is a company brings innovative engineering solutions to the marine industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  MAG Engineering Servicesmagltd.comHQ: Kartal, TürkiyeReported employees: 11-50 | Kartal, Türkiye | 11-50 | Exact match | 9 contacts → |
“Our company has always targetted providing quality engineering services by following the latest technology with its knowledge and experience on Marine Structures for more than 30…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aykome Mühendislik Müşavirlik Mak. San. Ltd. ŞTIaykome.com.trHQ: Ankara, TürkiyeReported employees: 11-50 | Ankara, Türkiye | 11-50 | Exact match | 9 contacts → |
“AYKOME, tescilli sloganı olan Altyapı Koordinasyon Merkezi kısaltması olarak markalaşmıştır.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  BTT Marine Underwater Technologybttmarine.comHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 8 contacts → |
“Offshore C/W Pipeline Construction Subsea Oil & Gas Pipelines Scaffolding Construction Dredging Services Ship Hull Survey Services Pipeline Survey Services Salvage Wreck Removal…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Milpod By Yksnyksn.net HQ: Pendik, TürkiyeReported employees: 11-50 | Pendik, Türkiye | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Econins Engineering & Quality Serviceseconins.comHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 5 contacts → |
“ECONINS considers operating by developing itself in the projects which it has undertaken with the spirit of team work as a duty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Vardakosta Denizcilik İnşaatvardakosta.comHQ: Antalya, TürkiyeReported employees: 201-500 | Antalya, Türkiye | 201-500 | Exact match | 5 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Icon Drydock And Marine Servicesiconmarin.comHQ: İstanbul, TürkiyeReported employees: 1-10 | İstanbul, Türkiye | 1-10 | Exact match | 4 contacts → |
“WHO WE ARE?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  GCO İnşaat Taahhüt VE Mühendislik San. Tic. Ltd. ŞTIgcoinsaat.comHQ: İzmit, TürkiyeReported employees: 1-10 | İzmit, Türkiye | 1-10 | Exact match | 4 contacts → |
“GCO İnşaat Taahhüt ve Mühendislik Sanayi Ticaret Limited Şirketi İnşaat, Harita ve Jeofizik Mühendisliği tecrübesinin bir araya getirilmesiyle kurulmuş bir şirkettir.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  CLZ Engineering & Consultingclz.com.trHQ: Çankaya, TürkiyeReported employees: 1-10 | Çankaya, Türkiye | 1-10 | Exact match | 4 contacts → |
“CLZ Engineering & Consulting was founded by Mustafa Cılız (MSc, Civil Engineering), who has worked many years as a professional executive in every stage of investment and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 195 company matches
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Underwater engineering firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
194 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 195 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Underwater engineering firms by metro
Questions about this company list
What does Exact match mean for underwater engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many underwater engineering firms did RevenueBase find based in Türkiye?
The saved snapshot records 195 matching company records, 3,831 tracked contacts and 496 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Underwater engineering firms by geography
- Underwater engineering firms based in Perth, Australia
- Underwater engineering firms based in Rio De Janeiro, Brazil
- Underwater engineering firms based in Sao Paulo, Brazil
- Underwater engineering firms based in Calgary, Canada
- Underwater engineering firms based in Hamburg, Germany
- Underwater engineering firms based in Mumbai, India
- Underwater engineering firms based in Genoa, Italy
- Underwater engineering firms based in Kuala Lumpur, Malaysia
- Underwater engineering firms based in Rotterdam, Netherlands
- Underwater engineering firms based in Oslo, Norway
- Underwater engineering firms based in Stavanger, Norway
- Underwater engineering firms based in Singapore, Singapore
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 underwater engineering firms based in Türkiye. Snapshot: November 6, 2026. https://revenuebase.ai/companies/underwater-engineering-firms/turkiye.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 underwater engineering firms based in Türkiye
RevenueBase records 195 matching company records for underwater engineering firms based in Türkiye, with 3,831 tracked contacts and 496 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 underwater engineering firms based in Türkiye
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Tp-Otctp-otc.com HQ: Çankaya, TürkiyeReported employees: 501-1,000 | Çankaya, Türkiye | 501-1,000 | Exact match | 1,813 contacts → |
“TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Aras Marine Construction COaras-marine.com HQ: Pendik, TürkiyeReported employees: 201-500 | Pendik, Türkiye | 201-500 | Exact match | 199 contacts → |
“ARAS is one of the most outstanding private companies of Turkey on issues of salvage, towage, and marine construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Stadia Engineeringstadia.com.tr HQ: Çankaya, TürkiyeReported employees: 51-200 | Çankaya, Türkiye | 51-200 | Exact match | 91 contacts → |
“Stadia Engineering and Consultancy was established in 2018.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Denar Ocean Engineering Services SAden-ar.com HQ: Sisli, TürkiyeReported employees: 11-50 | Sisli, Türkiye | 11-50 | Exact match | 55 contacts → |
“DenAr Ocean Engineering Services SA was founded in 2007 and its headquarter is in Istanbul.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kuasar Marin Engineering INCkuasarmarin.com HQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 44 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Atlas Madenatlasmaden.com HQ: Kadıköy, TürkiyeReported employees: 201-500 | Kadıköy, Türkiye | 201-500 | Exact match | 35 contacts → |
“Kara Doğal Gaz Boru Hatları Projeleri, İnovasyon Projeleri, Havaalanı Projeleri, Sualtı Deniz Doğal Gaz Boru Hatları Projeleri, Deniz Dibi tarama ve Susuzlaştırma Projeleri…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gatemarinegatemarine.com HQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 25 contacts → |
“Çalışanlarının 25 yılı aşkın deniz, sualtı ve telekomünikasyon endüstrileri tecrübelerini birleştiren GateMarine, 2006 yılında sualtı teknolojileri üzerine özel tasarım üretimleri…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Advens Engineeringadvens.com.tr HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 22 contacts → |
“Advens Mühendislik A.Ş, Türkiye’nin önemli teknoloji üslerinden biri olan Teknopark İstanbul’da, tesis güvenlik sertifikalı ofisinde tüm çalışmalarını büyük bir gizlilik ve…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Çalık Proje Mühendislik A.Şcalikproje.com HQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 21 contacts → |
“Çalık Proje Mühendislik; Enerji, Petrol, Gaz ve Endüstri piyasalarında yer alan çeşitli firmalar – yükleniciler, işverenler ve finans kuruluşlarına 22 yıldır hizmet veren bir…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HSB Marine Constructionhsbmarine.com HQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 20 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Derya Group İnşaat VE Tersanecilik A.Şderyagroup.com HQ: Tuzla, TürkiyeReported employees: 201-500 | Tuzla, Türkiye | 201-500 | Exact match | 16 contacts → |
“Derya Group was founded in 1992 in Istanbul, Turkey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Arti Engineering LTDarti.tc HQ: Istanbul, TürkiyeReported employees: 1-10 | Istanbul, Türkiye | 1-10 | Exact match | 12 contacts → |
“ARTI Engineering is an independent marine consultancy and design company established in 2001 in Tuzla, Istanbul where the heart of the Turkish shipbuilding industry beats.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Matesis Marine & Engineering COmatesis.com.tr HQ: Sanayi, TürkiyeReported employees: 11-50 | Sanayi, Türkiye | 11-50 | Exact match | 12 contacts → |
“Matesis is a full-service naval architecture and marine engineering firm serving clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DEGZdegzrobotics.com HQ: Trabzon, TürkiyeReported employees: 1-10 | Trabzon, Türkiye | 1-10 | Exact match | 12 contacts → |
“Degz is an underwater robotics company innovating components and vehicles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | MBYmby-e.com HQ: İstanbul, TürkiyeReported employees: 1-10 | İstanbul, Türkiye | 1-10 | Exact match | 11 contacts → |
“Founded in 2011, MBY is an engineering and technology company trusted to resolve complex challenges where structural performance, architectural ambition, constructability and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Etkin Marinetkinmarin.com HQ: Yalova, TürkiyeReported employees: 51-200 | Yalova, Türkiye | 51-200 | Exact match | 10 contacts → |
“Etkin Marin is a company brings innovative engineering solutions to the marine industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | MAG Engineering Servicesmagltd.com HQ: Kartal, TürkiyeReported employees: 11-50 | Kartal, Türkiye | 11-50 | Exact match | 9 contacts → |
“Our company has always targetted providing quality engineering services by following the latest technology with its knowledge and experience on Marine Structures for more than 30…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aykome Mühendislik Müşavirlik Mak. San. Ltd. ŞTIaykome.com.tr HQ: Ankara, TürkiyeReported employees: 11-50 | Ankara, Türkiye | 11-50 | Exact match | 9 contacts → |
“AYKOME, tescilli sloganı olan Altyapı Koordinasyon Merkezi kısaltması olarak markalaşmıştır.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | BTT Marine Underwater Technologybttmarine.com HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 8 contacts → |
“Offshore C/W Pipeline Construction Subsea Oil & Gas Pipelines Scaffolding Construction Dredging Services Ship Hull Survey Services Pipeline Survey Services Salvage Wreck Removal…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Milpod By Yksnyksn.net HQ: Pendik, TürkiyeReported employees: 11-50 | Pendik, Türkiye | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Econins Engineering & Quality Serviceseconins.com HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 5 contacts → |
“ECONINS considers operating by developing itself in the projects which it has undertaken with the spirit of team work as a duty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Vardakosta Denizcilik İnşaatvardakosta.com HQ: Antalya, TürkiyeReported employees: 201-500 | Antalya, Türkiye | 201-500 | Exact match | 5 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Icon Drydock And Marine Servicesiconmarin.com HQ: İstanbul, TürkiyeReported employees: 1-10 | İstanbul, Türkiye | 1-10 | Exact match | 4 contacts → |
“WHO WE ARE?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | GCO İnşaat Taahhüt VE Mühendislik San. Tic. Ltd. ŞTIgcoinsaat.com HQ: İzmit, TürkiyeReported employees: 1-10 | İzmit, Türkiye | 1-10 | Exact match | 4 contacts → |
“GCO İnşaat Taahhüt ve Mühendislik Sanayi Ticaret Limited Şirketi İnşaat, Harita ve Jeofizik Mühendisliği tecrübesinin bir araya getirilmesiyle kurulmuş bir şirkettir.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CLZ Engineering & Consultingclz.com.tr HQ: Çankaya, TürkiyeReported employees: 1-10 | Çankaya, Türkiye | 1-10 | Exact match | 4 contacts → |
“CLZ Engineering & Consulting was founded by Mustafa Cılız (MSc, Civil Engineering), who has worked many years as a professional executive in every stage of investment and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 195 company matches
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Underwater engineering firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
194 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 195 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Underwater engineering firms by metro
Questions about this company list
What does Exact match mean for underwater engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many underwater engineering firms did RevenueBase find based in Türkiye?
The saved snapshot records 195 matching company records, 3,831 tracked contacts and 496 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 underwater engineering firms based in Türkiye. Snapshot: November 6, 2026. https://revenuebase.ai/companies/underwater-engineering-firms/turkiye.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Underwater engineering firms based in Perth, Australia
- Underwater engineering firms based in Rio De Janeiro, Brazil
- Underwater engineering firms based in Sao Paulo, Brazil
- Underwater engineering firms based in Calgary, Canada
- Underwater engineering firms based in Hamburg, Germany
- Underwater engineering firms based in Mumbai, India