Company lists · Data refreshed September 2026
Top 25 Steel rolling mills based in Türkiye
RevenueBase identified 201 steel rolling mills headquartered in Türkiye as of September 2026 and tracks 9,922 professional contacts across them, including 1,999 with verified work emails. Kocaeli is the largest hub.
This list covers steel rolling mills 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 16, 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 rolling mills based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,974 contacts → | ||||
Indirect evidence “Erdemir, the main company of the OYAK Mining Metallurgy and one of the most valuable industrial assets of Turkey, was established in 1960 under a special law, in order to be the…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 790 contacts → | ||||
Partial evidence “Çolakoğlu’s involvement in the iron and steel business began with the steel trade business that our founder Mehmet Rüştü Çolakoğlu started in Karaköy, İstanbul, in 1945.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 789 contacts → | ||||
Indirect evidence “Türkiye’nin ilk entegre demir çelik fabrikası olan Kardemir’in temelleri 3 Nisan 1937 tarihinde atıldı.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 563 contacts → | ||||
Partial evidence “IDC Steel is one of the leading long steel producers in Turkey with 1,5 million tons crude steel capacity annually.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 430 contacts → | ||||
Indirect evidence “MMK Metalurji, MMK Group’s investment in Turkey, gives service in İskenderun and Gebze regions with the investment costs approximately 2,5 billion USD.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 341 contacts → | ||||
Partial evidence “Operating in the steel profile segment of the iron and steel industry, Kocaer Steel is the export champion of the Aegean Region in the iron and steel industry with foreign…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 324 contacts → | ||||
Partial evidence “More then 50 years of experience in Iron & Steel Industry and a new player in Energy and Mining.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 314 contacts → | ||||
Indirect evidence “1966 yılında demir çelik ürünleri imalatı ve ticareti yapmak amacıyla kurulan Kroman Çelik Kroman Çelik, 1985 yılında Yücel Grup bünyesine katılmıştır.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 310 contacts → | ||||
Indirect evidence “Yıldız Demir Çelik, Türkiye'de ve dünyada büyük yatırımlara imza atan Yıldızlar Yatırım Holding’in grup iştirakidir.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 300 contacts → | ||||
Indirect evidence “1968 yılında Denizli’deki ilk üretim tesisi ile sanayi yolculuğuna başlayan Kardemir Çelik, bugün 1350’nin üzerinde çalışanı, İzmir ve Denizli’de 7 adet üretim tesisi ve uzun…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 233 contacts → | ||||
Strong evidence “ÖZKAN Steel was founded in 1953 and has its headquarter and production sites in İzmir-Aliağa over an area of ÖZKAN Steel, having a melting capacity of tons and rolling capacity of…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 149 contacts → | ||||
Indirect evidence “1993 yılında demir çelik sektöründe ticari hayatına başlayan Koç Metalurji A.Ş, kurulduğu günden bu yana sektörde öncü bir rol üstlenmiştir.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 141 contacts → | ||||
Indirect evidence “Dikey büyümeyi hedefleyen ve bu anlayışla entegrasyona yönelik yatırımlarına aralıksız devam eden Tezcan A.Ş, yılda 1.3 milyon ton yassı mamul üretim hacmine sahip olup, yüksek…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 111 contacts → | ||||
Partial 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 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 107 contacts → | ||||
Indirect evidence “Established in October 2001 and having commenced operations in Gebze in 2002 with a 150 thousand ton annual capacity cold slitting and 100 thousand ton annual capacity…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 102 contacts → | ||||
Indirect evidence “Hisar Celik Dokum Sanayi ve Ticaret A.S; established in 1964, is a manufacturing company comprising a fully integrated foundry, machine shop and heat treatment facilities.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 91 contacts → | ||||
Partial evidence “Mescier Steel Industry & Trade Co.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 91 contacts → | ||||
Partial evidence “GULERMAK Steel Construction Ind.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 64 contacts → | ||||
Indirect evidence “Albayrak Demir Çelik, 1980 yılında aile şirketi olarak kurulmuştur.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 52 contacts → | ||||
Indirect evidence “Hakan Sac Metal A.Ş nin ilk öyküsü 1970 yılında babamız HÜSEYİN BİLGİN ile Ankara Atasanayisi'nde Çelik Eşya imalatı olarak başlamıştır.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 48 contacts → | ||||
Indirect evidence “1979 yılında faaliyetlerine başlayan Çelsantaş Çelik Mamülleri, 50 yılı aşkın süredir demir çelik sektöründe faaliyetlerine devam eden Yücel Grup bünyesinde yer almaktadır.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 48 contacts → | ||||
Indirect evidence “Kırıkkale Demir Çelik A.Ş.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 45 contacts → | ||||
Indirect evidence “OSP is experienced in producing hot rolled special sections especially for automobile industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 37 contacts → | ||||
Strong evidence “GERMAKSAN has proudly built over 40 steel plants worldwide and continues to be the Leading and Most Trusted Rolling Mill Plant Manufacturer.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 25 contacts → | ||||
Indirect evidence “AKMETAL Metallurgical Ind.” Source: RevenueBase Database · checked Sep 16, 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 rolling mills. 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 rolling mills.
- Partial evidence
- Its own public description names part of steel rolling mills, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name steel rolling mills. 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 201 steel rolling mills based in Türkiye
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Steel rolling mills based in Türkiye at a glance
As of Sep 16, 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 201 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 rolling mills, 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 rolling mills”. 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 rolling mills), 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 rolling mills, 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, 1,999 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 16, 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.
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 rolling mills, 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 rolling mills are there based in Türkiye?
RevenueBase identified 201 steel rolling mills 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?
Erdemir, headquartered in Zonguldak, tops this list with the largest team on record.
Which city has the most steel rolling mills?
Kocaeli leads with 22 headquartered companies, followed by Istanbul (21) and Atasehir (11).
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 1,999 verified decision-maker contacts tracked across these 201 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 16, 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.