Company lists · Data refreshed September 2026

Top 14 Hydrogen supply chain companies based in Spain

RevenueBase identified 51 company matches for hydrogen supply chain companies associated with Spain as of September 2026 and tracks 473 professional contacts across them, including 74 with verified work emails. Madrid is the largest hub.

This list covers company matches for hydrogen supply chain companies 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 September 16, 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 Sep 16, 2026 How this list was built
51Companies
473Contacts tracked
74Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 14 largest hydrogen supply chain companies based in Spain

Ranked by team size
Top 14 of 51 company matches for hydrogen supply chain companies based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 matchLoiu, SpainHQ recorded Sep 16, 202651-20062 contacts →

Exact match

“H2SITE provides solutions to the hydrogen transport problem.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchDos Hermanas, SpainHQ recorded Sep 16, 202611-5060 contacts →

Exact match

“H2B2 is a technology-based company that promotes, develops, finances, designs, integrates, builds, operates and maintains systems based on electrolyzers for hydrogen production…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchEpila, SpainHQ recorded Sep 16, 202651-20058 contacts →

Exact match

“CALVERA HYDROGEN is a global player in the hydrogen infrastructure, which offer revolutionary solutions for companies and communities.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchCuarte ( Huesca), SpainHQ recorded Sep 16, 202611-5048 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchBarásoain, SpainHQ recorded Sep 16, 202611-5022 contacts →

Exact match

“Nordex Electrolyzers S.L.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchZaragoza, SpainHQ recorded Sep 16, 202611-5018 contacts →

Exact match

“Como ingeniería, Base Sistemas lleva años trabajando en los sectores químico y energético realizando una gran cantidad de proyectos con el hidrógeno como protagonista.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Sep 16, 20261-1014 contacts →

Exact match

“We are the Re-Evolution of energy.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchAlicante/alacant, SpainHQ recorded Sep 16, 20261-108 contacts →

Exact match

“Hydros Power was born with a clear mission: to unlock the full potential of green hydrogen.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchHontoria, SpainHQ recorded Sep 16, 202611-508 contacts →

Exact match

“H2Greem is a leading European technology company and manufacturer of next-generation electrolyser solutions based on proton exchange membrane (PEM) technology.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchPalma De Mallorca, SpainHQ recorded Sep 16, 202611-508 contacts →

Exact match

“Nuestro objetivo consiste en proporcionar soluciones y servicios personalizados para nuestros clientes.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Sep 16, 20261-107 contacts →

Exact match

“Delivering the low cost renewable hydrogen revolution.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Sep 16, 20261-105 contacts →

Exact match

“We are a platform of experts in the hydrogen field with more than 50 years of accumulated experience in it.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchHuesca, SpainHQ recorded Sep 16, 20261-104 contacts →

Exact match

“Helios Aragon is a natural hydrogen producer otherwise known as "Gold" hydrogen.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchMataró, SpainHQ recorded Sep 16, 20261-103 contacts →

Exact match

“At Lexier we are technical distributors specialised in valves, fittings, tubing and instrumentation for the entire hydrogen value chain and for critical industrial processes: high…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 14 of 51 hydrogen supply chain companies based in Spain

See the full list, filter by size, metro and specialty, and access 74 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Hydrogen supply chain companies based in Spain at a glance

As of Sep 16, 2026
15.6%Verified-email coverage
9.3Average contacts per company
1-10Median size (employees)
27.5%Largest-city concentration · Madrid
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
17
51-200
5

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 51 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 “hydrogen supply chain companies” 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 74 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 September 16, 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 “hydrogen supply chain companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogen supply chain companies are there based in Spain?

RevenueBase identified 51 company matches for hydrogen supply chain companies associated with Spain as of September 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?

H2site tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hydrogen supply chain companies?

Madrid leads with 14 company records, followed by Barcelona (4) and Huesca (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 74 professional contacts with verified work emails tracked across these 51 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 September 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 51 hydrogen supply chain companies based in Spain. Start with a free account, no credit card.

Download this list →

Related lists

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.