Company lists · Data refreshed November 2026

Top 25 Structural steel mills based in Spain

RevenueBase identified 146 company matches for structural steel mills associated with Spain as of November 2026 and tracks 2,551 professional contacts across them, including 440 with verified work emails. Madrid is the largest hub.

This list covers company matches for structural steel mills associated with Spain, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
146Companies
2,551Contacts tracked
440Verified emails
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The 25 largest structural steel mills based in Spain

Ranked by team size
Top 25 of 146 company matches for structural steel mills based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, SpainHQ recorded Nov 6, 20265,001-10,000714 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLos Molares, SpainHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“TECADE is a company that has developed for more than 35 years in the construction of steel bridges and offshore structures.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchValle De Trápaga-trapagarán, SpainHQ recorded Nov 6, 2026201-500118 contacts →

Exact match

“En NERVACERO producimos acero corrugado para el armado del hormigón en barra y en rollo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCamarma De Esteruelas, SpainHQ recorded Nov 6, 2026201-50095 contacts →

Exact match

“Horta Coslada is a leading company in design, fabrication, engineering and erection of structural steel.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchVitoria, SpainHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“URSSA, S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchVic, SpainHQ recorded Nov 6, 2026201-50076 contacts →

Exact match

“A Mafesa som especialistes en ferro i acer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPuzol, SpainHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“In Laser Valencia we manufacture industrial products, from the laser cutting of plates in 2D to completely finished products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchOiartzun, SpainHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBasauri, SpainHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Empresa fundada en 1949.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCastellbisbal, SpainHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“The GUTSER group is the national reference in the steel service centre sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Network Steel Resources, S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAs Pontes, SpainHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“PROMETAL TECNOLOGIA E INNOVACION S.L.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMaliano, SpainHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“50 años de experiencia y dedicación han situado a SUSIDER en una posición destacada en la elaboración y comercialización de productos siderúrgicos planos cortados a medida.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchArbizu, SpainHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Aceros Moldeados de Lacunza S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAtxondo, SpainHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Distribuidor de aceros especiales como aceros rápidos, aceros de herramienta tanto para trabajos en frío como en caliente, aceros de construcción, aceros inoxidables e otros…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchZaragoza, SpainHQ recorded Nov 6, 20261,001-5,00016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDos Hermanas, SpainHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Hierros ISAGA es el distribuidor de referencia de hierro y acero en Andalucía, con casi 40 años de experiencia al servicio de constructoras, talleres metálicos y empresas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGijón, SpainHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“DACERO gathers a wide know-how in the transformation and manufacturing of tailor made siderurgical products after more than 40 years adding value in the metallurgical industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchGernika-lumo, SpainHQ recorded Nov 6, 202651-20010 contacts →

Exact match

“LAMINADOS LOSAL SA is a company based out of BEKOIBARRA KALEA, 9, GERNIKA-LUMO, Bizkaia, Spain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAmorebieta-etxano, SpainHQ recorded Nov 6, 20261-108 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBarberà Del Vallès, SpainHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“STEEL INNOVATION 2012 SL is a mechanical or industrial engineering company based out of Marie Curie 21-27,Barbera del Vallès, Barcelona, Spain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchValencia, SpainHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Steel trading company and also representative for several steel companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchConstantí, SpainHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Empresa proveedora de hierros y aceros ubicada en la provincia de Tarragona, especializada en los sectores de la construcción, industria y agricultura.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Almacén de distribución de productos siderúrgicos para industria, automoción, petroquímicas, estructura metálica y maquinaria.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCubillos Del Sil, SpainHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Detrame es un empresa ubicada en León.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 146 structural steel mills based in Spain

See the full list, filter by size, metro and specialty, and access 440 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Structural steel mills based in Spain at a glance

As of Nov 6, 2026
17.2%Verified-email coverage
17.5Average contacts per company
11-50Median size (employees)
6.2%Largest-city concentration · Madrid
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
36
11-50
73
51-200
22
201-500
6
501-1,000
2
1,001-5,000
3
5,001-10,000
1

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 146 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Spain whose business descriptions match “structural steel mills” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 440 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “structural steel mills”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many structural steel mills are there based in Spain?

RevenueBase identified 146 company matches for structural steel mills associated with Spain as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Gonvarri Industries tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most structural steel mills?

Madrid leads with 9 company records, followed by A Coruna (3) and Barcelona (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 440 professional contacts with verified work emails tracked across these 146 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.