Company lists · Data refreshed September 2026

Top 25 Industrial decarbonization companies based in Spain

Name: Industrial decarbonization companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 117 companies tracked

RevenueBase identified 117 company matches for industrial decarbonization companies associated with Spain as of September 2026 and tracks 4,744 professional contacts across them, including 490 with verified work emails. Madrid is the largest hub.

This list covers company matches for industrial decarbonization 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 17, 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 17, 2026 How this list was built

117Companies

4,744Contacts tracked

490Verified emails

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The 25 largest industrial decarbonization companies based in Spain

Ranked by team size

Top 25 of 117 company matches for industrial decarbonization companies based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Zelestra	Exact match	SpainHQ recorded Sep 17, 2026	501-1,000	929 contacts →
	Exact match “At Zelestra, we are on a mission to change the world by making decarbonization a reality for our partners.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Inerco	Exact match	Seville, SpainHQ recorded Sep 17, 2026	1,001-5,000	688 contacts →
	Exact match “INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	TECAM	Exact match	Polinyà, SpainHQ recorded Sep 17, 2026	51-200	56 contacts →
	Exact match “Customized solutions for waste valorization and emissions treatment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Logos Energía	Exact match	Santander, SpainHQ recorded Sep 17, 2026	11-50	31 contacts →
	Exact match “En LoGOs Energía compartimos contigo la energía que nos mueve a buscar las mejores tarifas y soluciones energéticas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Inergy	Exact match	Barcelona, SpainHQ recorded Sep 17, 2026	11-50	29 contacts →
	Exact match “Inergy tiene como misión contribuir al ahorro energético de sus clientes, reduciendo su factura energética, y favoreciendo al mismo tiempo la mitigación del cambio climático.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Centro Tecnológico Energylab	Exact match	Vigo, SpainHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “Estamos comprometidos con la descarbonización a través del uso eficiente y sostenible de los recursos, y especializados en el impulso de la eficiencia y la sostenibilidad…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Energía Local	Exact match	Barcelona, SpainHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “Somos una consultora especializada en el ámbito energético y sostenibilidad.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Grupo Zero Waste Energy	Exact match	Málaga, SpainHQ recorded Sep 17, 2026	51-200	27 contacts →
	Exact match “Zero Waste Energy es un grupo de empresas dedicadas a la producción de energía eléctrica mediante fuentes de energía renovables y cogeneración, así como al tratamiento eficiente…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Ecoterrae	Exact match	Seville, SpainHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “ECOTERRAE es una empresa creada con el objetivo de Generar Valor a proyectos Bajos en Carbono y con un Alto grado de Sostenibilidad, a través de:* Financiación del Carbono…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Manglai	Exact match	Barcelona, SpainHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “An AI-powered solution committed to minimizing carbon footprints, Manglai is dedicated to empowering businesses globally to foster a more sustainable future for our planet.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	IEQSY	Exact match	Tres Cantos, SpainHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “IEQSY somos una compañía que cuenta con una tecnología única, innovadora y diferencial, como fruto de más de 30 años destinados a I+D+i en el mundo de la eficiencia energética.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	IGU Energy	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “iGU Energy nace con la vocación de contribuir en la transición energética global y promover una economía descarbonizada.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Build To Zero	Exact match	Seville, SpainHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Our mission is to achieve a net-zero industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Reolum	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Reolum concibe y desarrolla proyectos innovadores para impulsar la descarbonización y avanzar en la transición energética.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Ecómetro	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	1-10	17 contacts →
	Exact match “In Ecómetro we develop technologies, consulting and training to help you incorporate the measurement of the carbon footprint and the certification of buildings CO2 free emisions…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	AELEC	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Somos la Asociación de Empresas de Energía Eléctrica, presentes de forma amplia en la cadena de valor de la electricidad.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Grupo Bikote Solar	Exact match	Leioa, SpainHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Desde el año 2006, en Grupo Bikote Solar, asesoramos y acompañamos a las empresas en su objetivo de ser más competitivas y sostenibles.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Hydnum Steel	Exact match	Puertollano, SpainHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “We drive the decarbonization of the industry by developing the steel plant of the future: digital, sustainable and fossil-free.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	SBS	Exact match	Leioa, SpainHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “Do you want to reduce your environmental footprint?” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Airco2	Exact match	Pontevedra, SpainHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “En airCO2 somos una empresa líder en la gestión integral (360º) de la huella de carbono, combinando tecnología avanzada con un enfoque personalizado para ayudar a las…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Km0 Energy	Exact match	Terrassa, SpainHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “A Km0 Energy apliquem els nostres coneixements, esforços i experiència en el sector de l’energia per oferir solucions reals al sector públic i privat per una energia neta…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Ekienergy	Exact match	Vitoria - Gasteiz, SpainHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “UNA VISIÓN DIFERENCIAL HACIA LA DESCARBONIZACIÓN PARA LOGRAR LA GESTIÓN INTELIGENTE DE LA ENERGÍA EKIENERGY nace con el objetivo de acelerar la descarbonización del sector…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Euthenia Deep Green	Exact match	Marbella (málaga), SpainHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Euthenia ENERGY (EE) is a privately-held international company dedicated to renewable and sustainable energy solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Electra Homedes	Exact match	Lleida, SpainHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Electra Homedes, nace en 1957 como empresa dedicada a las instalaciones eléctricas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Presente	Exact match	Barcelona, SpainHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “Presente convierte a tu empresa en parte de la solución frente al cambio climático.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “industrial decarbonization companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 117 industrial decarbonization companies based in Spain

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Industrial decarbonization companies based in Spain at a glance

As of Sep 17, 2026

10.3%Verified-email coverage

40.5Average contacts per company

1-10Median size (employees)

28.2%Largest-city concentration · Madrid

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 117 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 “industrial decarbonization 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 490 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 17, 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 “industrial decarbonization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial decarbonization companies are there based in Spain?

RevenueBase identified 117 company matches for industrial decarbonization 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?

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

Which city has the most industrial decarbonization companies?

Madrid leads with 33 company records, followed by Barcelona (15) and Seville (6).

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 490 professional contacts with verified work emails tracked across these 117 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 17, 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.