Company lists · Data refreshed September 2026
Top 25 Steel fabrication engineering staffing companies based in Türkiye
RevenueBase identified 564 steel fabrication engineering staffing companies headquartered in Türkiye as of September 2026 and tracks 4,605 professional contacts across them, including 280 with verified work emails. Istanbul is the largest hub.
This list covers steel fabrication engineering staffing companies 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 29, 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.
The 25 largest steel fabrication engineering staffing companies based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 111 contacts → | ||||
Strong evidence “We specialise in steel trading and custom-welded fabrication of chassis, frames, and components for rail systems, trailers, construction equipment, and more.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 96 contacts → | ||||
Indirect evidence “Küresel işgücü çözümlerinde öncü bir şirket olarak ManpowerGroup™ (NYSE:MAN), hızla değişen dünyada kurum ve kuruluşların başarılı olmalarını sağlayacak yetenekleri tedarik…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 91 contacts → | ||||
Partial evidence “GULERMAK Steel Construction Ind.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 75 contacts → | ||||
Partial evidence “Atak Engineering was founded in 1988.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 73 contacts → | ||||
Indirect evidence “Yaklaşık olarak m2 lik kapalı alana ve m2 lik açık alana sahip fabrikamız;Cnc, Elektronik, Mekanik ve Hidrolik modern tezgahlarla techiz edilmiş olarak bugün sahasında Türkiye'nin…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 55 contacts → | ||||
Partial evidence “Günak is a fabricator and contractor company, specialized in the fabrication and erection of the process equipments that are used in industrial plants.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 46 contacts → | ||||
Strong evidence “Kasso Mühendislik is a design, engineering and fabrication company specialized in metal sheet works located in Istanbul, Turkey.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 46 contacts → | ||||
Indirect evidence “Bartın Kumluca’da 1844 yılında sıcak demircilik ile iş hayatına başlayan Çelikerler, 2003 yılında şirketleşerek ÇELİKERLER LTD.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 42 contacts → | ||||
Partial evidence “Rönesans Steel Construction Industry & Trade Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 41 contacts → | ||||
Partial evidence “We, as IŞIK Cranes Electromechanical Engineering Corp,has been serving to industry to meet your requirements and solve your problems regarding material handling equipment and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 40 contacts → | ||||
Strong evidence “Founded in 1995 and headquartered in Ankara, Turkey, with global offices in Düsseldorf, Germany, and Chicago, Illinois, POLARKON is a leading "design-build" engineering and steel…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Partial evidence “We are specialized in steel structures and fixing systems in all kinds of steel.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 28 contacts → | ||||
Partial evidence “Mono Steel is a Turkish manufacturing and construction company established in 2012.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 27 contacts → | ||||
Partial evidence “Founded in 1984, Aldem Çelik is a trusted manufacturer of welded and non-welded components made from carbon steel, stainless steel, aluminum, and structural steel.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 24 contacts → | ||||
Partial evidence “Antek Makina is a Turkey based leading engineering and project company which provides engineering & design, project management, manufacturing & installation, quality control…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 24 contacts → | ||||
Indirect evidence “Erkin Çelik Konstrüksiyon, yapısal çelik imalatı ve montajında mühendislik disiplini, kalite anlayışı ve güçlü üretim altyapısıyla yurt içi ve yurt dışı projelere hizmet…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 22 contacts → | ||||
Indirect evidence “Uslu Çelik Servis Merkezi yılların verdiği tecrübeyle kendini kanıtlamış, bireysel müşteri gereksinimlerini tam olarak anlama konusunda uzmandır.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 20 contacts → | ||||
Indirect evidence “iw-steelTEC A.S.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 19 contacts → | ||||
Partial evidence “SAYTEKNO is a technological group founded in 1994 and working in the field of design, production and installation of architectural steel, freeform and art glass structures…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 19 contacts → | ||||
Indirect evidence “Bizler Siptek olarak, Endüstriyel iskele, İzolasyon ve Boya işlerinde hizmet vermek üzere, 2006 yılında faaliyetlerimize başlamış bulunmaktayız.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 19 contacts → | ||||
Indirect evidence “2012 yılında kurulan firmamız her türlü endüstriyel tesisler için mühendislik, imalat ve montaj alanlarında hizmet sunmaktadır.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 17 contacts → | ||||
Indirect evidence “3S Teknik Danışmanlık San.Tic.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 17 contacts → | ||||
Partial evidence “Having 30 years of experience in iron and steel industry, BEISCO CO.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 16 contacts → | ||||
Partial evidence “ENDECO is an engineering, design and consultancy company which was established in 2003.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 13 contacts → | ||||
Indirect evidence “In 1932, Demir Çelik San.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: steel fabrication engineering staffing companies. 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 steel fabrication engineering staffing companies.
- Partial evidence
- Its own public description names part of steel fabrication engineering staffing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name steel fabrication engineering staffing companies. 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 564 steel fabrication engineering staffing companies based in Türkiye
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Steel fabrication engineering staffing companies based in Türkiye at a glance
As of Sep 29, 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 564 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 steel fabrication engineering staffing companies, 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 “steel fabrication engineering staffing companies”. 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 steel fabrication engineering staffing companies), 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 steel fabrication engineering staffing companies, 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, 280 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 29, 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.
Steel fabrication engineering staffing companies by metro
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 steel fabrication engineering staffing companies, 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 steel fabrication engineering staffing companies are there based in Türkiye?
RevenueBase identified 564 steel fabrication engineering staffing companies 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?
Yilgenci̇ TR, headquartered in Sakarya, tops this list with the largest team on record.
Which city has the most steel fabrication engineering staffing companies?
Istanbul leads with 75 headquartered companies, followed by Ankara (59) and Kocaeli (34).
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 280 verified decision-maker contacts tracked across these 564 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 29, 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.
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