Company lists · Data refreshed November 2026
Top 25 Oil and gas power contractors based in Spain
RevenueBase identified 594 company matches for oil and gas power contractors associated with Spain as of November 2026 and tracks 35,626 professional contacts across them, including 4,949 with verified work emails. Madrid is the largest hub.
This list covers company matches for oil and gas power contractors 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 4, 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.
The 25 largest oil and gas power contractors based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,748 contacts → | ||||
Exact match “TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 2 | 4,912 contacts → | ||||
Exact match “Grupo Cobra es una compañía global de más de 80 años de experiencia en el sector de la ingeniería industrial aplicada y servicios especializados.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 1,579 contacts → | ||||
Exact match “Founded in 1972, Dragados Offshore S.A.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 4 | 863 contacts → | ||||
Exact match “Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 5 | 755 contacts → | ||||
Exact match “Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 6 | 750 contacts → | ||||
Exact match “NERVION INDUSTRIES is a business group dedicated to industrial services and applied engineering, providing services in strategic sectors.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 7 | 707 contacts → | ||||
Exact match “Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 8 | 650 contacts → | ||||
Exact match “SAMPOL is an independent, multinational, family owned company founded in 1934 and a leader in the implementation of Energy projects, Electrical installations, Telecommunications…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 9 | 546 contacts → | ||||
Exact match “LANCO INFRATECH LIMITED is an oil and energy company based out of Calle Laguna del Marquesado Nª 19, Nave 16 Edificio Adriana 1ª Planta, Polígono Industrial La Resina…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 10 | 528 contacts → | ||||
Exact match “MASA interviene en toda la cadena de actividades en la vida de las instalaciones e infraestructuras, desde su fase de proyecto, hasta la construcción y montaje de la instalación…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 11 | 505 contacts → | ||||
Exact match “Duro Felguera is a global company based in Asturias.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 12 | 488 contacts → | ||||
Exact match “MEISA (Proyectos y Mantenimientos Mecánicos, Eléctricos y de Instrumentación), se constituyó en 1998, viendo las oportunidades de mercado de negocio y demanda creciente de los…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 13 | 433 contacts → | ||||
Exact match “El holding ISASTUR está integrado por un conjunto de empresas con distintas actividades que por su tradición y experiencia están fundamentalmente vinculadas con el sector de la…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 394 contacts → | ||||
Exact match “Intecsa Industrial is a Spanish engineering company with more than 50 years experience in Engineering, “Turn-key” execution of industrial plants and supply of technological…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 15 | 367 contacts → | ||||
Exact match “JG Ingenieros, S.A.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 16 | 265 contacts → | ||||
Exact match “Siemsa es un operador independiente que proporciona servicios para el sector de la Energía, Industria y Oil and Gas, sistemas de control y analizadores de proceso, así como…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 229 contacts → | ||||
Exact match “TEIGA TMI es una empresa con más de 40 años de experiencia, que ofrece soluciones y servicios de ingeniería; montaje y mantenimiento mecánico-eléctrico; con implantación en…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 199 contacts → | ||||
Exact match “En Tradivel llevamos más de 20 años ofreciendo una amplia gama de servicios energéticos poniendo foco en la calidad del servicio y la satisfacción de nuestros clientes.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 19 | 192 contacts → | ||||
Exact match “Railway Energy Systems International Contractor” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 166 contacts → | ||||
Exact match “LOINTEK is a private company firmly established in the international market of engineering, supply, manufacture and service in the sector of equipment for the industry of the…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 21 | 151 contacts → | ||||
Exact match “ELECTRÉN, S.A.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 22 | 144 contacts → | ||||
Exact match “Vestel Ingenieros es una empresa con 20 años de experiencia que tiene el propósito de convertirse en la ingeniería eléctrica nº1 de España.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 138 contacts → | ||||
Exact match “LA EMPRESA Y SUS VALORES Osmos tiene por misión la prestación de servicios eléctricos, abarcando la instalación desde su concepción, realizando el montaje y manteniendo las…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 24 | 136 contacts → | ||||
Exact match “CEN Solutions specializes in the design, development, and implementation of electrical equipment and turnkey solutions for the energy, petrochemical, industrial, aerospace, and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 25 | 125 contacts → | ||||
Exact match “Founded in 1979, EIA21 was chartered with the aim of responding to the engineering needs of high growth industrial companies, soon achieved a strong footprint in this area…” Recorded in the RevenueBase company graph · Nov 4, 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 “oil and gas power contractors”. 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 594 oil and gas power contractors based in Spain
See the full list, filter by size, metro and specialty, and access 4,949 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil and gas power contractors based in Spain at a glance
As of Nov 4, 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 594 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 “oil and gas power contractors” 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 4,949 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 4, 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.
Oil and gas power contractors by metro
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 “oil and gas power contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil and gas power contractors are there based in Spain?
RevenueBase identified 594 company matches for oil and gas power contractors 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?
Tecnicas Reunidas tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most oil and gas power contractors?
Madrid leads with 80 company records, followed by Barcelona (27) and Seville (17).
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 4,949 professional contacts with verified work emails tracked across these 594 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 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 594 oil and gas power contractors based in Spain. Start with a free account, no credit card.
Download this list →Related lists
Oil and gas power contractors by geography
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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.
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Company intelligence · public preview
Top 25 oil and gas power contractors based in Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 594 matching company records for oil and gas power contractors based in Spain, with 35,626 tracked contacts and 4,949 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil and gas power contractors based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Tecnicas Reunidastecnicasreunidas.esHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 11,748 contacts → |
“TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Grupo Cobragrupocobra.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 4,912 contacts → |
“Grupo Cobra es una compañía global de más de 80 años de experiencia en el sector de la ingeniería industrial aplicada y servicios especializados.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Dragados Offshoredragadosoffshore.comHQ: 11510 Puerto Real, SpainReported employees: 1,001-5,000 | 11510 Puerto Real, Spain | 1,001-5,000 | Exact match | 1,579 contacts → |
“Founded in 1972, Dragados Offshore S.A.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SEMIgruposemi.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 863 contacts → |
“Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Comfica Soluciones Integrales S.Lcomfica.comHQ: Fuenlabrada, SpainReported employees: 201-500 | Fuenlabrada, Spain | 201-500 | Exact match | 755 contacts → |
“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Nervion Industries, Engineering & Services, S.Lnervionindustries.comHQ: Bilbao, SpainReported employees: 1,001-5,000 | Bilbao, Spain | 1,001-5,000 | Exact match | 750 contacts → |
“NERVION INDUSTRIES is a business group dedicated to industrial services and applied engineering, providing services in strategic sectors.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Insyte Instalacionesinsyteinstalaciones.esHQ: Getafe, SpainReported employees: 1,001-5,000 | Getafe, Spain | 1,001-5,000 | Exact match | 707 contacts → |
“Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sampolsampol.comHQ: Palma De Mallorca, SpainReported employees: 1,001-5,000 | Palma De Mallorca, Spain | 1,001-5,000 | Exact match | 650 contacts → |
“SAMPOL is an independent, multinational, family owned company founded in 1934 and a leader in the implementation of Energy projects, Electrical installations, Telecommunications…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Lanco Infratech Limitedlancogroup.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 546 contacts → |
“LANCO INFRATECH LIMITED is an oil and energy company based out of Calle Laguna del Marquesado Nª 19, Nave 16 Edificio Adriana 1ª Planta, Polígono Industrial La Resina…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Grupo Masamasagrupo.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 528 contacts → |
“MASA interviene en toda la cadena de actividades en la vida de las instalaciones e infraestructuras, desde su fase de proyecto, hasta la construcción y montaje de la instalación…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Df-Duro Felgueradurofelguera.comHQ: Gijón, SpainReported employees: 1,001-5,000 | Gijón, Spain | 1,001-5,000 | Exact match | 505 contacts → |
“Duro Felguera is a global company based in Asturias.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MEISAmeisa-e.com HQ: Argamasilla De Calatrava, SpainReported employees: 1,001-5,000 | Argamasilla De Calatrava, Spain | 1,001-5,000 | Exact match | 488 contacts → |
“MEISA (Proyectos y Mantenimientos Mecánicos, Eléctricos y de Instrumentación), se constituyó en 1998, viendo las oportunidades de mercado de negocio y demanda creciente de los…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Isasturgrupoisastur.comHQ: Llanera, SpainReported employees: 1,001-5,000 | Llanera, Spain | 1,001-5,000 | Exact match | 433 contacts → |
“El holding ISASTUR está integrado por un conjunto de empresas con distintas actividades que por su tradición y experiencia están fundamentalmente vinculadas con el sector de la…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Intecsa Industrialintecsaindustrial.comHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 394 contacts → |
“Intecsa Industrial is a Spanish engineering company with more than 50 years experience in Engineering, “Turn-key” execution of industrial plants and supply of technological…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  JG Ingenieros S.Ajgingenieros.esHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 367 contacts → |
“JG Ingenieros, S.A.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Siemsaferrovial.comHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 265 contacts → |
“Siemsa es un operador independiente que proporciona servicios para el sector de la Energía, Industria y Oil and Gas, sistemas de control y analizadores de proceso, así como…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Teiga TMIteigatmi.esHQ: Bergondo, SpainReported employees: 201-500 | Bergondo, Spain | 201-500 | Exact match | 229 contacts → |
“TEIGA TMI es una empresa con más de 40 años de experiencia, que ofrece soluciones y servicios de ingeniería; montaje y mantenimiento mecánico-eléctrico; con implantación en…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tradiveltradivel.comHQ: Alcorcón, SpainReported employees: 501-1,000 | Alcorcón, Spain | 501-1,000 | Exact match | 199 contacts → |
“En Tradivel llevamos más de 20 años ofreciendo una amplia gama de servicios energéticos poniendo foco en la calidad del servicio y la satisfacción de nuestros clientes.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Syneox Railsyneox.comHQ: Alcobendas, SpainReported employees: 501-1,000 | Alcobendas, Spain | 501-1,000 | Exact match | 192 contacts → |
“Railway Energy Systems International Contractor” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lointeklointek.com HQ: Urduliz, SpainReported employees: 201-500 | Urduliz, Spain | 201-500 | Exact match | 166 contacts → |
“LOINTEK is a private company firmly established in the international market of engineering, supply, manufacture and service in the sector of equipment for the industry of the…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Electren S.Aelectren.es HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 151 contacts → |
“ELECTRÉN, S.A.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Vestel Ingenierosvestelingenieros.comHQ: Paterna, SpainReported employees: 51-200 | Paterna, Spain | 51-200 | Exact match | 144 contacts → |
“Vestel Ingenieros es una empresa con 20 años de experiencia que tiene el propósito de convertirse en la ingeniería eléctrica nº1 de España.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Osmos Sistemas Eléctricososmos.esHQ: A Coruña, SpainReported employees: 201-500 | A Coruña, Spain | 201-500 | Exact match | 138 contacts → |
“LA EMPRESA Y SUS VALORES Osmos tiene por misión la prestación de servicios eléctricos, abarcando la instalación desde su concepción, realizando el montaje y manteniendo las…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  CEN Solutionscensolutions.esHQ: Dos Hermanas, SpainReported employees: 201-500 | Dos Hermanas, Spain | 201-500 | Exact match | 136 contacts → |
“CEN Solutions specializes in the design, development, and implementation of electrical equipment and turnkey solutions for the energy, petrochemical, industrial, aerospace, and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Eia21eia21.comHQ: Erandio, SpainReported employees: 51-200 | Erandio, Spain | 51-200 | Exact match | 125 contacts → |
“Founded in 1979, EIA21 was chartered with the aim of responding to the engineering needs of high growth industrial companies, soon achieved a strong footprint in this area…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 594 company matches
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Oil and gas power contractors: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
587 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 594 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Oil and gas power contractors by metro
Questions about this company list
What does Exact match mean for oil and gas power contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil and gas power contractors did RevenueBase find based in Spain?
The saved snapshot records 594 matching company records, 35,626 tracked contacts and 4,949 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Oil and gas power contractors by geography
- Oil and gas power contractors based in Buenos Aires, Argentina
- Oil and gas power contractors based in Brisbane, Australia
- Oil and gas power contractors based in Melbourne, Australia
- Oil and gas power contractors based in Perth, Australia
- Oil and gas power contractors based in Dhaka, Bangladesh
- Oil and gas power contractors based in Belo Horizonte, Brazil
- Oil and gas power contractors based in Curitiba, Brazil
- Oil and gas power contractors based in Recife, Brazil
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- Oil and gas power contractors based in Salvador, Brazil
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- Oil and gas power contractors based in Calgary, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 oil and gas power contractors based in Spain. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-power-contractors/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 oil and gas power contractors based in Spain
RevenueBase records 594 matching company records for oil and gas power contractors based in Spain, with 35,626 tracked contacts and 4,949 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil and gas power contractors based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Tecnicas Reunidastecnicasreunidas.es HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 11,748 contacts → |
“TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Grupo Cobragrupocobra.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 4,912 contacts → |
“Grupo Cobra es una compañía global de más de 80 años de experiencia en el sector de la ingeniería industrial aplicada y servicios especializados.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Dragados Offshoredragadosoffshore.com HQ: 11510 Puerto Real, SpainReported employees: 1,001-5,000 | 11510 Puerto Real, Spain | 1,001-5,000 | Exact match | 1,579 contacts → |
“Founded in 1972, Dragados Offshore S.A.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SEMIgruposemi.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 863 contacts → |
“Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Comfica Soluciones Integrales S.Lcomfica.com HQ: Fuenlabrada, SpainReported employees: 201-500 | Fuenlabrada, Spain | 201-500 | Exact match | 755 contacts → |
“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Nervion Industries, Engineering & Services, S.Lnervionindustries.com HQ: Bilbao, SpainReported employees: 1,001-5,000 | Bilbao, Spain | 1,001-5,000 | Exact match | 750 contacts → |
“NERVION INDUSTRIES is a business group dedicated to industrial services and applied engineering, providing services in strategic sectors.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Insyte Instalacionesinsyteinstalaciones.es HQ: Getafe, SpainReported employees: 1,001-5,000 | Getafe, Spain | 1,001-5,000 | Exact match | 707 contacts → |
“Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sampolsampol.com HQ: Palma De Mallorca, SpainReported employees: 1,001-5,000 | Palma De Mallorca, Spain | 1,001-5,000 | Exact match | 650 contacts → |
“SAMPOL is an independent, multinational, family owned company founded in 1934 and a leader in the implementation of Energy projects, Electrical installations, Telecommunications…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Lanco Infratech Limitedlancogroup.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 546 contacts → |
“LANCO INFRATECH LIMITED is an oil and energy company based out of Calle Laguna del Marquesado Nª 19, Nave 16 Edificio Adriana 1ª Planta, Polígono Industrial La Resina…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Grupo Masamasagrupo.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 528 contacts → |
“MASA interviene en toda la cadena de actividades en la vida de las instalaciones e infraestructuras, desde su fase de proyecto, hasta la construcción y montaje de la instalación…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Df-Duro Felgueradurofelguera.com HQ: Gijón, SpainReported employees: 1,001-5,000 | Gijón, Spain | 1,001-5,000 | Exact match | 505 contacts → |
“Duro Felguera is a global company based in Asturias.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MEISAmeisa-e.com HQ: Argamasilla De Calatrava, SpainReported employees: 1,001-5,000 | Argamasilla De Calatrava, Spain | 1,001-5,000 | Exact match | 488 contacts → |
“MEISA (Proyectos y Mantenimientos Mecánicos, Eléctricos y de Instrumentación), se constituyó en 1998, viendo las oportunidades de mercado de negocio y demanda creciente de los…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Isasturgrupoisastur.com HQ: Llanera, SpainReported employees: 1,001-5,000 | Llanera, Spain | 1,001-5,000 | Exact match | 433 contacts → |
“El holding ISASTUR está integrado por un conjunto de empresas con distintas actividades que por su tradición y experiencia están fundamentalmente vinculadas con el sector de la…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intecsa Industrialintecsaindustrial.com HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 394 contacts → |
“Intecsa Industrial is a Spanish engineering company with more than 50 years experience in Engineering, “Turn-key” execution of industrial plants and supply of technological…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | JG Ingenieros S.Ajgingenieros.es HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 367 contacts → |
“JG Ingenieros, S.A.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Siemsaferrovial.com HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 265 contacts → |
“Siemsa es un operador independiente que proporciona servicios para el sector de la Energía, Industria y Oil and Gas, sistemas de control y analizadores de proceso, así como…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Teiga TMIteigatmi.es HQ: Bergondo, SpainReported employees: 201-500 | Bergondo, Spain | 201-500 | Exact match | 229 contacts → |
“TEIGA TMI es una empresa con más de 40 años de experiencia, que ofrece soluciones y servicios de ingeniería; montaje y mantenimiento mecánico-eléctrico; con implantación en…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tradiveltradivel.com HQ: Alcorcón, SpainReported employees: 501-1,000 | Alcorcón, Spain | 501-1,000 | Exact match | 199 contacts → |
“En Tradivel llevamos más de 20 años ofreciendo una amplia gama de servicios energéticos poniendo foco en la calidad del servicio y la satisfacción de nuestros clientes.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Syneox Railsyneox.com HQ: Alcobendas, SpainReported employees: 501-1,000 | Alcobendas, Spain | 501-1,000 | Exact match | 192 contacts → |
“Railway Energy Systems International Contractor” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lointeklointek.com HQ: Urduliz, SpainReported employees: 201-500 | Urduliz, Spain | 201-500 | Exact match | 166 contacts → |
“LOINTEK is a private company firmly established in the international market of engineering, supply, manufacture and service in the sector of equipment for the industry of the…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Electren S.Aelectren.es HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 151 contacts → |
“ELECTRÉN, S.A.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Vestel Ingenierosvestelingenieros.com HQ: Paterna, SpainReported employees: 51-200 | Paterna, Spain | 51-200 | Exact match | 144 contacts → |
“Vestel Ingenieros es una empresa con 20 años de experiencia que tiene el propósito de convertirse en la ingeniería eléctrica nº1 de España.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Osmos Sistemas Eléctricososmos.es HQ: A Coruña, SpainReported employees: 201-500 | A Coruña, Spain | 201-500 | Exact match | 138 contacts → |
“LA EMPRESA Y SUS VALORES Osmos tiene por misión la prestación de servicios eléctricos, abarcando la instalación desde su concepción, realizando el montaje y manteniendo las…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CEN Solutionscensolutions.es HQ: Dos Hermanas, SpainReported employees: 201-500 | Dos Hermanas, Spain | 201-500 | Exact match | 136 contacts → |
“CEN Solutions specializes in the design, development, and implementation of electrical equipment and turnkey solutions for the energy, petrochemical, industrial, aerospace, and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Eia21eia21.com HQ: Erandio, SpainReported employees: 51-200 | Erandio, Spain | 51-200 | Exact match | 125 contacts → |
“Founded in 1979, EIA21 was chartered with the aim of responding to the engineering needs of high growth industrial companies, soon achieved a strong footprint in this area…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 594 company matches
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Oil and gas power contractors: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
587 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 594 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Oil and gas power contractors by metro
Questions about this company list
What does Exact match mean for oil and gas power contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil and gas power contractors did RevenueBase find based in Spain?
The saved snapshot records 594 matching company records, 35,626 tracked contacts and 4,949 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 oil and gas power contractors based in Spain. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-power-contractors/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil and gas power contractors based in Buenos Aires, Argentina
- Oil and gas power contractors based in Brisbane, Australia
- Oil and gas power contractors based in Melbourne, Australia
- Oil and gas power contractors based in Perth, Australia
- Oil and gas power contractors based in Dhaka, Bangladesh
- Oil and gas power contractors based in Belo Horizonte, Brazil