Company lists · Data refreshed September 2026
Top 25 Steel manufacturing companies based in Spain
RevenueBase identified 155 steel manufacturing companies headquartered in Spain as of September 2026 and tracks 5,762 professional contacts across them, including 1,073 with verified work emails. Madrid is the largest hub.
This list covers steel manufacturing companies headquartered in Spain, 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 manufacturing companies based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,154 contacts → | ||||
Partial evidence “CELSA™ is the largest Spanish-owned steel company and the second largest European long products producer.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 645 contacts → | ||||
Partial 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 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 533 contacts → | ||||
Partial evidence “Sidenor is a steel company, leader in the European steel industry for the production of special steel long products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 502 contacts → | ||||
Partial evidence “The Acerinox Group, with its headoffice in Spain, is the global leader in the manufacture of stainless steel and high-performance alloys, and has a melting shop capacity of 3.5…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 334 contacts → | ||||
Partial evidence “Tubos Reunidos Group is Global Leader in niche segments of Premium Seamless Steel Tubular Products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 159 contacts → | ||||
Partial evidence “Russula is a global engineering company serving the largest steel producers in more than 30 countries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 145 contacts → | ||||
Indirect evidence “Comercial de Laminados lleva en el mercado casi 70 años dedicados a la distribución y transformación de hierro y acero.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 129 contacts → | ||||
Indirect evidence “ArcelorMittal es el principal productor siderúrgico y minero a escala mundial, con presencia en más de 60 países e instalaciones productivas en más de 20.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 104 contacts → | ||||
Indirect evidence “En NERVACERO producimos acero corrugado para el armado del hormigón en barra y en rollo.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 102 contacts → | ||||
Indirect evidence “Somos un grupo líder en la distribución, transformación y comercialización de productos siderúrgicos de acero, con 14 Centros repartidos por toda la geografía de la Península…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 93 contacts → | ||||
Indirect evidence “HIEMESA es un grupo de empresas líder en España en el sector de la fabricación, transformación, comercialización y distribución de productos siderúrgicos fomentando y facilitando…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 64 contacts → | ||||
Partial evidence “Aratubo is a private company with more than 25 years of experience in the manufacture of comprehensive solutions with precision welded steel tubes.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 49 contacts → | ||||
Indirect evidence “65 años de experiencia Almesa con más de 65 años de experiencia, es una de las compañías líderes en la distribución comercial del sector de la tubería de acero y accesorios…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 47 contacts → | ||||
Indirect evidence “Llevamos más de ocho décadas en el mercado dedicándonos a la distribución de productos siderúrgicos en España y Portugal con un enfoque profesional y comprometido.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 41 contacts → | ||||
Indirect evidence “Grupo Plafesa es la denominación comercial con el que se conoce al conjunto de empresas del sector de Centros de Servicio del Acero que nacieron tras la fundación y el desarrollo…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 33 contacts → | ||||
Indirect evidence “Oxiplant es una empresa innovadora que goza de gran experiencia y conocimientos en su sector, dedicada al corte, transformación y comercialización de productos metálicos, desde…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 30 contacts → | ||||
Indirect evidence “In Laser Valencia we manufacture industrial products, from the laser cutting of plates in 2D to completely finished products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 28 contacts → | ||||
Indirect evidence “EBROACERO, S.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 27 contacts → | ||||
Strong evidence “BIEKAPA was born in 2017 as the result of the merger between two companies with an extensive experience in the manufacturing of steel profiles through cold forming processes: on…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 27 contacts → | ||||
Indirect evidence “Somos una gran familia de profesionales del ámbito del acero y la trefilería.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 24 contacts → | ||||
Partial evidence “ESTANDA is high-performance Steel Foundry, we offer sophisticated Machining, Quality controls and other value-added Solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 22 contacts → | ||||
Partial evidence “Network Steel Resources, S.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 21 contacts → | ||||
Indirect evidence “En Erkho Sider nos dedicamos a la comercialización y distribución de productos siderúrgicos, especialmente bobinas, flejes y formatos de acero, en todas sus calidades.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 20 contacts → | ||||
Partial evidence “The GUTSER group is the national reference in the steel service centre sector.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 contacts → | ||||
Indirect evidence “Empresa fundada en 1949.” 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 manufacturing 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 manufacturing companies.
- Partial evidence
- Its own public description names part of steel manufacturing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name steel manufacturing 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 155 steel manufacturing companies based in Spain
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Steel manufacturing companies based in Spain at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 155 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 manufacturing 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 Spain whose own description of what they do matches “steel manufacturing 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 manufacturing 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 manufacturing companies, and records with no verified work email. Companies headquartered outside Spain 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, 1,073 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 manufacturing 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 manufacturing companies are there based in Spain?
RevenueBase identified 155 steel manufacturing companies headquartered in Spain 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?
Celsa Group, headquartered in Castellbisbal, tops this list with the largest team on record.
Which city has the most steel manufacturing companies?
Madrid leads with 12 headquartered companies, followed by A Coruna (4) and Castellbisbal (4).
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 1,073 verified decision-maker contacts tracked across these 155 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.
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