Company lists · Data refreshed September 2026
Top 25 Hot rolling mills worldwide
RevenueBase identified 1,518 hot rolling mills worldwide as of September 2026 and tracks 70,290 professional contacts across them, including 13,255 with verified work emails. India is the largest market and Kolkata the largest hub.
This list covers hot rolling mills worldwide, 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 20, 2026. Country and city lists for hot rolling mills follow the table.
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 hot rolling mills worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,174 contacts → | ||||
Indirect evidence “Cleveland-Cliffs is a leading North America-based steel producer with focus on value-added sheet products, particularly for the automotive industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,991 contacts → | ||||
Indirect evidence “Deacero is strongly committed to a sustainable strategy of growth that benefits our company, the environment, our employees and the communities in which we operate.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,523 contacts → | ||||
Indirect evidence “ISDEMIR, Turkey's third largest integrated iron and steel factory in terms of date of establishment and the largest in terms of long products became Turkey's first integrated long…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,172 contacts → | ||||
Indirect evidence “Fondé en 1975, Maghreb Steel est l’unique producteur d’acier plat du Maroc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,160 contacts → | ||||
Indirect evidence “Saudi Iron and Steel Company (Hadeed) is the largest iron & steel producer in the Gulf Cooperation Council (GCC) region offering a wide range of high-quality long and flat steel…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,065 contacts → | ||||
Indirect evidence “Soluções Usiminas é uma empresa do Grupo Usiminas.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 954 contacts → | ||||
Indirect evidence “NLMK Group is a leading international steel company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 948 contacts → | ||||
Indirect evidence “Jindal (India) Limited, a core member of the B.C.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 930 contacts → | ||||
Indirect evidence “ezzsteel is the Middle East’s leading producer of high-quality long and flat steel for use in a wide range of end applications.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 904 contacts → | ||||
Indirect evidence “MSP Steel is an integrated steel manufacturer in Eastern India with a nation wide presence through its widespread channel and influencer network catering to the construction…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 816 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 773 contacts → | ||||
Indirect evidence “Bhilai Steel Plant, SAIL Service Provider of rail & structural mill, merchant mill & wire rod mill in Bhilai, Chhattisgarh.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 684 contacts → | ||||
Strong evidence “Mabati Rolling Mills Limited (MRM) is the flagship company of The Safal Group, and was its founding operation, commencing in 1962 at Mariakani, near Mombasa Kenya.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 647 contacts → | ||||
Indirect evidence “Marcegaglia is the leading Italian industrial group operating in the entire steel value chain.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 645 contacts → | ||||
Indirect evidence “With more than 65 years in the market, Gonvarri Industries is a leading group in the transformation of flat steel, aluminium and metal solutions, the result of a highly…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 601 contacts → | ||||
Indirect evidence “ArcelorMittal Calvert, located in Calvert, Alabama, about 35 miles north of Mobile, is recognized as one of the most advanced steel finishing facilities in the world.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 583 contacts → | ||||
Partial evidence “Aisha Steel Mills Limited (ASML) is a Group Company of Arif Habib.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 563 contacts → | ||||
Indirect 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 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 554 contacts → | ||||
Partial evidence “Acciaieria Arvedi produces carbon steel HRC (Hot Rolled Coils), CRC (Cold Rolled Coils), PC (Pickled Coils), HDGC (Hot Dip Galvanized Coils), PPC ( Pre Painted Coils), strips and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 503 contacts → | ||||
Indirect evidence “ArcelorMittal Produits longs Canada (https://long-canada.arcelormittal.com/) regroupe plus de 1 900 employés répartis au Québec, incluant des usines de production d’acier…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 442 contacts → | ||||
Partial evidence “Severstal North America produces high-quality, flat-rolled carbon steel products in a wide range of grades, chemistries, gauges and widths, including: • Hot Rolled • Cold Rolled •…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 442 contacts → | ||||
Indirect evidence “California Steel Industries, Inc.(CSI) is the leading producer of flat rolled steel in the Western United States, producing the widest range of flat rolled steel products in the…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 401 contacts → | ||||
Indirect evidence “The name Kandil carries a strong history on its own; Opening its doors to the market in 1865; a century where steel industry was new.” Source: RevenueBase Database · checked Sep 20, 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: hot 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 hot rolling mills.
- Partial evidence
- Its own public description names part of hot rolling mills, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hot 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 1,518 hot rolling mills worldwide
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Hot rolling mills worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 hot 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.
- Coverage
- Every country. Country and city lists for hot rolling mills are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “hot 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 hot 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 hot rolling mills, and records with no verified work email.
- 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, 13,255 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 20, 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.
Hot rolling mills by location
6 lists · largest firstEvery Hot rolling mills list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 hot 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 hot rolling mills are there worldwide?
RevenueBase identified 1,518 hot rolling mills worldwide 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?
Cleveland-Cliffs, headquartered in Cleveland, tops this list with the largest team on record.
Which country has the most hot rolling mills?
India leads with 266 companies, followed by the United States (145) and Italy (118). Every hot rolling mills list by country and city is linked on this page.
Which city has the most hot rolling mills?
Kolkata leads with 26 headquartered companies, followed by Mumbai (23) and Ahmedabad (14).
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 13,255 verified decision-maker contacts tracked across these 1,518 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 20, 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.