Company lists · Data refreshed September 2026

Top 25 Offshore electrical engineering firms based in Türkiye

Name: Offshore electrical engineering firms based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 710 companies tracked

RevenueBase identified 710 offshore electrical engineering firms headquartered in Türkiye as of September 2026 and tracks 7,226 professional contacts across them, including 809 with verified work emails. Istanbul is the largest hub.

This list covers offshore electrical engineering firms headquartered in Türkiye, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

710Companies

7,226Contacts tracked

809Verified emails

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The 25 largest offshore electrical engineering firms based in Türkiye

Ranked by team size

Top 25 of 710 offshore electrical engineering firms based in Türkiye, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to offshore electrical engineering firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Tp-Otc	Strong evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	501-1,000	1,501 contacts →
	Strong evidence “TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Source: RevenueBase Database · checked Sep 17, 2026
2	Elkon Elektrik San. VE Tic. A.Ş	Partial evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	201-500	224 contacts →
	Partial evidence “elkon was established in 1980 to design, manufacture, integrate and commission low voltage electrical equipment and automation systems for the maritime industry.” Source: RevenueBase Database · checked Sep 17, 2026
3	Mekatronik Mühendislik & İnşaat	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	1,001-5,000	212 contacts →
	Indirect evidence “Our Group started its business operations in 1986 as a mechanical systems subcontractor under the business name Şengüler İnşaat Ltd.” Source: RevenueBase Database · checked Sep 17, 2026
4	Bartek Elektrik Sistemleri A.Ş	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	501-1,000	84 contacts →
	Indirect evidence “Bartek Elektrik Sistemleri A.Ş, yüksek ve alçak gerilim elektrik tesisleri, enerji nakil hatları, otomasyon sistemleri ile kuvvetli ve zayıf akım sistemlerinin projelendirilmesi…” Source: RevenueBase Database · checked Sep 17, 2026
5	Stadia Engineering	Partial evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	51-200	77 contacts →
	Partial evidence “Stadia Engineering and Consultancy was established in 2018.” Source: RevenueBase Database · checked Sep 17, 2026
6	MCA Yapi	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	201-500	77 contacts →
	Indirect evidence “MCA Yapı, 2010 yılında mekanik ve elektrik sistemlerde yüksek kaliteli mühendislik çözümleri sunmak amacıyla kurulmuştur.” Source: RevenueBase Database · checked Sep 17, 2026
7	CAN Makina Elektrik	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	51-200	63 contacts →
	Indirect evidence “Can Makina Elektrik is a leading company in maritime market, operating as a system integrator of innovative and relaiable technology solutions which are mostly tailor-made…” Source: RevenueBase Database · checked Sep 17, 2026
8	Agest Marine Electrical Technologies	Partial evidence	Antalya, TürkiyeHQ checked Sep 17, 2026	51-200	57 contacts →
	Partial evidence “Agest Electrics Ltd.” Source: RevenueBase Database · checked Sep 17, 2026
9	Koryon Engineering & Consultancy	Partial evidence	Bornova, TürkiyeHQ checked Sep 17, 2026	11-50	55 contacts →
	Partial evidence “At A Glance;* Oil & Gas Engineering Company,* Managed by Practicing Refinery Engineers,* Engineering Expertise that Minimizes Cost & Improves Process,* Over 100 Total Project…” Source: RevenueBase Database · checked Sep 17, 2026
10	Omega Mühendislik	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	51-200	54 contacts →
	Indirect evidence “Omega Mühendislik, 1994 yılında girişimci Öner Çelebi tarafından kurulan, elektrik taahhüt sektöründe, proje, uygulama ve teknik danışmanlık alanlarında hizmet veren, alçak…” Source: RevenueBase Database · checked Sep 17, 2026
11	Quad Plus Otomasyon	Partial evidence	Bursa, TürkiyeHQ checked Sep 17, 2026	51-200	41 contacts →
	Partial evidence “Our Services Professional Engineering Industrial Safety Repair and Field Service Commissioning System Integration Power Services” Source: RevenueBase Database · checked Sep 17, 2026
12	Tkey Global	Indirect evidence	Cayirova, TürkiyeHQ checked Sep 17, 2026	11-50	39 contacts →
	Indirect evidence “TKey Global olarak faaliyet gösterdiğimiz sektörlerde kalite ve memnuniyeti hedef alarak elektrik sistemlerinin kurulumu, devreye alınması, testleri ve bakım çalışmalarını…” Source: RevenueBase Database · checked Sep 17, 2026
13	Onmuş Elektrik Sanayi VE Ticaret A.Ş	Indirect evidence	İzmir, TürkiyeHQ checked Sep 17, 2026	51-200	35 contacts →
	Indirect evidence “1976 yılında İstanbul Devlet Mimarlık Akademisinin Elektrik bölümünden mezun olmuş olan Namık ONMUŞ çeşitli ortaklıklar yaparak serbest olarak çalışmaya başlamıştır.” Source: RevenueBase Database · checked Sep 17, 2026
14	Egesa Enerji	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	51-200	33 contacts →
	Indirect evidence “EGESA Elektrik İnşaat Enerji Üretim A.Ş enerji sektörünün lider mühendislik ve taahhüt firmasıdır.” Source: RevenueBase Database · checked Sep 17, 2026
15	Aytes Mühendislik	Partial evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	201-500	33 contacts →
	Partial evidence “Founded in 1991 in Istanbul, AYTES Mühendislik has developed in the field of electromechanical engineering in parallel with the construction sector, which is the largest sector in…” Source: RevenueBase Database · checked Sep 17, 2026
16	Vega Networks	Strong evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	51-200	30 contacts →
	Strong evidence “Vega Networks is a company that offers top-notch offshore engineering services, an exclusively dedicated team of software engineers, to its clients.” Source: RevenueBase Database · checked Sep 17, 2026
17	Mittel Tozoğlu Ltd. ŞTI	Indirect evidence	Alavardı, TürkiyeHQ checked Sep 17, 2026	11-50	30 contacts →
	Indirect evidence “2005 Yılında Mühendislik Hizmetleri vermek üzere kurulan şirketimiz bugün 40 mühendisten oluşan güçlü teknik yapısı, 18 yıllık ulusal iş tecrübesi ve binlerle mutlu referansı ile…” Source: RevenueBase Database · checked Sep 17, 2026
18	Tesla Elektrik	Indirect evidence	Beylikdüzü, TürkiyeHQ checked Sep 17, 2026	201-500	27 contacts →
	Indirect evidence “Tesla Elektrik; Elektrik Proje Hizmetleri, Elektrik Taahhüt Hizmetleri, Trafo İşletme Sorumluluğu ve Bakım Hizmetleri, Akıllı Ev Sistemleri, Topraklama Ölçüm ve Raporlama…” Source: RevenueBase Database · checked Sep 17, 2026
19	Advens Engineering	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	11-50	27 contacts →
	Indirect evidence “Advens Mühendislik A.Ş, Türkiye’nin önemli teknoloji üslerinden biri olan Teknopark İstanbul’da, tesis güvenlik sertifikalı ofisinde tüm çalışmalarını büyük bir gizlilik ve…” Source: RevenueBase Database · checked Sep 17, 2026
20	DT Mühendislik VE Taahhüt A.Ş	Strong evidence	Ümraniye/i̇stanbul, TürkiyeHQ checked Sep 17, 2026	501-1,000	25 contacts →
	Strong evidence “D&T Group is a premier, multi-disciplined international engineering, procurement, and contracting (EPC) company specializing in large-scale electrical, mechanical, and…” Source: RevenueBase Database · checked Sep 17, 2026
21	İME Elektri̇k Mühendi̇sli̇k Taahhüt San. VE Ti̇c. Ltd. Şti̇	Indirect evidence	Bahçelievler, TürkiyeHQ checked Sep 17, 2026	51-200	25 contacts →
	Indirect evidence “İME ELEKTRİK MÜHENDİSLİK LTD ŞTİ.” Source: RevenueBase Database · checked Sep 17, 2026
22	Ekart Enerji Yapı	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	201-500	25 contacts →
	Indirect evidence “Ekart Enerji olarak Mayıs 2006 tarihinde Ankara merkezli olarak kurulan firmamızda ilk etapta yurt dışı projelerde hizmet verirken 2011 yılı sonlarında iç piyasaya yönelik hizmet…” Source: RevenueBase Database · checked Sep 17, 2026
23	Destel Connect A.Ş	Strong evidence	Atasehir, TürkiyeHQ checked Sep 17, 2026	201-500	24 contacts →
	Strong evidence “Elektrik Proje & Taahhüt \| Mühendislik \| AG/OG \| Zayıf Akım \| Kuvvetli Akım \| Veri Merkezi \| Network Çözümleri Electrical Project & Contracting \| Engineering \| WC / MV / LV \| Data…” Source: RevenueBase Database · checked Sep 17, 2026
24	HSB Marine Construction	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	51-200	24 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
25	ZRD Grup	Partial evidence	Etimesgut, TürkiyeHQ checked Sep 17, 2026	51-200	24 contacts →
	Partial evidence “ZRD Engineering, Consulting, Contracting Industry and Trade Limited Company was established in 21 April 1988 with commercial registration number 70094.” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: offshore electrical engineering firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names offshore electrical engineering firms.
Partial evidence: Its own public description names part of offshore electrical engineering firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name offshore electrical engineering firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 710 offshore electrical engineering firms based in Türkiye

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Offshore electrical engineering firms based in Türkiye at a glance

As of Sep 17, 2026

11.2%Verified-email coverage

10.2Average contacts per company

11-50Median size (employees)

22.0%Largest-city concentration · Istanbul

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

304

11-50

265

51-200

201-500

501-1,000

1,001-5,000

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 710 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among offshore electrical engineering firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Türkiye whose own description of what they do matches “offshore electrical engineering firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names offshore electrical engineering firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among offshore electrical engineering firms, and records with no verified work email. Companies headquartered outside Türkiye are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 809 across the full list. 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 September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Offshore electrical engineering firms by metro

Offshore electrical engineering firms in Istanbul156
Offshore electrical engineering firms in Ankara46

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names offshore electrical engineering firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many offshore electrical engineering firms are there based in Türkiye?

RevenueBase identified 710 offshore electrical engineering firms headquartered in Türkiye as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Tp-Otc, headquartered in Cankaya, tops this list with the largest team on record.

Which city has the most offshore electrical engineering firms?

Istanbul leads with 156 headquartered companies, followed by Ankara (46) and Izmir (24).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 809 verified decision-maker contacts tracked across these 710 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.