Company lists · Data refreshed September 2026
Top 25 Steel slab manufacturers worldwide
RevenueBase identified 602 steel slab manufacturers worldwide as of September 2026 and tracks 21,403 professional contacts across them, including 4,314 with verified work emails. The United States is the largest market and Kolkata the largest hub.
This list covers steel slab manufacturers 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 30, 2026. Country and city lists for steel slab manufacturers 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 steel slab manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,523 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,065 contacts → | ||||
Indirect evidence “Soluções Usiminas é uma empresa do Grupo Usiminas.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 930 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 816 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 773 contacts → | ||||
Partial evidence “Bhilai Steel Plant, SAIL Service Provider of rail & structural mill, merchant mill & wire rod mill in Bhilai, Chhattisgarh.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 601 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 400 contacts → | ||||
Partial evidence “OJSC MMK is among the world's largest steel producers and is one of the leaders of Russia's steel industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 378 contacts → | ||||
Partial evidence “Since its inception in 1906 as a small sheet metal shop in Dallas, Texas, New Process has become recognized as a world class leader in flat rolled steel distribution, processing…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 352 contacts → | ||||
Indirect evidence “A Açotel é uma indústria de transformação e beneficiamento do aço que está há mais de 50 anos no mercado produzindo um amplo mix de produtos, utilizando insumos provenientes das…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 352 contacts → | ||||
Partial evidence “NLMK USA produces at rolled steel that is essential to modern manufacturing.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 331 contacts → | ||||
Partial evidence “Con una capacità produttiva di di tonnellate d'acciaio all’anno, Acciaierie Venete è oggi uno dei maggiori e più qualificati produttori di Engineering Steel nel mercato europeo…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 317 contacts → | ||||
Indirect evidence “Tosyalı Demir Çelik Sarıseki Tesisi, metrekare alanda 4 milyon ton yassı çelik üretim kapasitesine sahiptir.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 310 contacts → | ||||
Partial evidence “A flagship of the modern metallurgy of Azerbaijan Republic Baku Steel Company CJSC is the first up-to-date steelworks in the Caucasus region.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 299 contacts → | ||||
Partial evidence “Beekay Steel Industries Ltd.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 294 contacts → | ||||
Partial evidence “The Steel Dynamics Flat Roll Group produces hot-rolled, cold-rolled and coated steel products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 287 contacts → | ||||
Partial evidence “Our Mission: To be the preferred supplier in the steel industry by being the benchmark for safety, quality, service and on-time delivery.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 239 contacts → | ||||
Partial evidence “Rimjhim Ispat belong to the part & parcel of the stainless steel family having our process in variety of products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 221 contacts → | ||||
Partial evidence “Since 1866, Barrett Steel has grown from modest beginnings into the UK’s largest independent steel stockholder, with over 30 sites nationwide and more than tonnes of steel ready…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 181 contacts → | ||||
Indirect evidence “Aceros del Toro, S.A.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 172 contacts → | ||||
Partial evidence “Founded in 1963, Southern Steel Group has grown from a small galvanised iron sheet plant to a major steel manufacturing group.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 168 contacts → | ||||
Indirect evidence “A Takono é uma tradicional empresa no mercado de aço da região metropolitana de Belo Horizonte.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 166 contacts → | ||||
Partial evidence “Founded in 1947, Kenwal Steel operates world-class steel service centers, providing a large variety of different grades and types of flat rolled steel products to customers in the…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 152 contacts → | ||||
Indirect evidence “En Serviacero Comercial nos especializamos en el procesamiento, fabricación y comercialización de la gama más amplia de productos de acero al carbón, para las industrias…” Source: RevenueBase Database · checked Sep 30, 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 slab manufacturers. 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 slab manufacturers.
- Partial evidence
- Its own public description names part of steel slab manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name steel slab manufacturers. 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 602 steel slab manufacturers worldwide
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Steel slab manufacturers worldwide at a glance
As of Sep 30, 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 steel slab manufacturers, 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 steel slab manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “steel slab manufacturers”. 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 slab manufacturers), 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 slab manufacturers, 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, 4,314 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 30, 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 slab manufacturers by location
6 lists · largest firstEvery Steel slab manufacturers 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 steel slab manufacturers, 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 slab manufacturers are there worldwide?
RevenueBase identified 602 steel slab manufacturers 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?
İsdemir, headquartered in Worldwide, tops this list with the largest team on record.
Which country has the most steel slab manufacturers?
The United States leads with 63 companies, followed by India (62) and Brazil (50). Every steel slab manufacturers list by country and city is linked on this page.
Which city has the most steel slab manufacturers?
Kolkata leads with 7 headquartered companies, followed by Guarulhos (6) and Mumbai (6).
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 4,314 verified decision-maker contacts tracked across these 602 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 30, 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.