Company lists · Data refreshed November 2026
Top 25 Oil refinery contractors based in Spain
RevenueBase identified 157 company matches for oil refinery contractors associated with Spain as of November 2026 and tracks 17,260 professional contacts across them, including 3,070 with verified work emails. Madrid is the largest hub.
This list covers company matches for oil refinery 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 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.
The 25 largest oil refinery 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 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,579 contacts → | ||||
Exact match “Founded in 1972, Dragados Offshore S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 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 6, 2026 · View company records in RevenueBase | |||||
| 4 | 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 6, 2026 · View company records in RevenueBase | |||||
| 5 | 478 contacts → | ||||
Exact match “Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 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 6, 2026 · View company records in RevenueBase | |||||
| 7 | 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 6, 2026 · View company records in RevenueBase | |||||
| 8 | 108 contacts → | ||||
Exact match “Engineering company based in Madrid, Spain with over 40 years of experience in the fields of petrochemical and industrial engineering, conventional and nuclear power plants…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 64 contacts → | ||||
Exact match “THERMAN Mantenimiento Industrial, S.L.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 57 contacts → | ||||
Exact match “ENG Aguilar y Salas, s.a.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 52 contacts → | ||||
Exact match “Empresa perteneciente al entorno mercantil de Serveo Servicios Ingeniería, Servicios de Montajes, Mantenimiento, origen en 1943, la Siderurgia "Sociedad Anónima Basconia" Desde…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 48 contacts → | ||||
Exact match “Opex Energy is an engineering and technical assistance company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 41 contacts → | ||||
Exact match “Iberastur es una empresa especializada en ingeniería industrial, reconocida por ofrecer soluciones técnicas avanzadas para optimizar la eficiencia y el rendimiento de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 39 contacts → | ||||
Exact match “RCIndustrial, con sede en Córdoba (España), es una empresa dedicada a la ejecución de proyectos de fabricación y montaje industrial, así como al mantenimiento de instalaciones…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 34 contacts → | ||||
Exact match “ESQUEIRO, S.L.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 26 contacts → | ||||
Exact match “IDIP was established in 2015 to expand IDESA’s portfolio of services, providing integrated industrial solutions to clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 24 contacts → | ||||
Exact match “ASFALTOS ESPAÑOLES SA is an oil & energy company based out of CALLE TITÁN, 8, MADRID, Madrid, Spain.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 23 contacts → | ||||
Exact match “IPSUM Proyectos Industriales S.L.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 21 contacts → | ||||
Exact match “Enemek is an EPC contractor specialised in utility-scale photovoltaic plants and Battery Energy Storage Systems (BESS).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 21 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “La experiencia familiar de más de 30 años en el sector de las instalaciones petroleras, nos llevó a crear en 1998 Fort Instalaciones Petroleras, una empresa de servicios en el…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “Empresa dedicada al mantenimiento de instalaciones industriales, entro los trabajos que realizamos destacamos- Servicios y mantenimiento electromecánico (Ajustes y servicios…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 13 contacts → | ||||
Exact match “Somos tu empresa de ingeniería, instalación y montaje industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “ADAPTACIÓN y CONTROL DE EDIFICIOS, S.L.(C.I.F: B65201782) es una empresa del sector de la construcción, radicada en Barcelona y fundada el año 2009.” Recorded in the RevenueBase company graph · Nov 6, 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 refinery 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 157 oil refinery contractors based in Spain
See the full list, filter by size, metro and specialty, and access 3,070 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil refinery contractors based in Spain at a glance
As of Nov 6, 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 157 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 refinery 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 3,070 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 “oil refinery contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil refinery contractors are there based in Spain?
RevenueBase identified 157 company matches for oil refinery 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 refinery contractors?
Madrid leads with 19 company records, followed by Gijon (4) and Tarragona (4).
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 3,070 professional contacts with verified work emails tracked across these 157 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.
Ready to reach these companies? Verified emails and direct dials for all 157 oil refinery contractors based in Spain. Start with a free account, no credit card.
Download this list →Related lists
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Browse the directory
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil refinery contractors based in Calgary, Canada
- Oil refinery contractors based in Mumbai, India
- Oil refinery contractors based in Tehran, Iran
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Company intelligence · public preview
Top 25 oil refinery 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 157 matching company records for oil refinery contractors based in Spain, with 17,260 tracked contacts and 3,070 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 6, 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 refinery 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  MEISAmeisa-e.comHQ: 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Moncobramoncobra.grupocobra.comHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 478 contacts → |
“Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lointeklointek.comHQ: 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Dynatec, S.Adynatec.esHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 108 contacts → |
“Engineering company based in Madrid, Spain with over 40 years of experience in the fields of petrochemical and industrial engineering, conventional and nuclear power plants…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Thermantherman.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 64 contacts → |
“THERMAN Mantenimiento Industrial, S.L.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Aguilar Y Salas S.Aaguilarysalas.comHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 57 contacts → |
“ENG Aguilar y Salas, s.a.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Jauregui Ingeniería Y Servicios Industriales S.A Perteneciente AL Entorno Mercantil Serveo Serviciosjauregui.esHQ: Derio, SpainReported employees: 51-200 | Derio, Spain | 51-200 | Exact match | 52 contacts → |
“Empresa perteneciente al entorno mercantil de Serveo Servicios Ingeniería, Servicios de Montajes, Mantenimiento, origen en 1943, la Siderurgia "Sociedad Anónima Basconia" Desde…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Opex Energyopex-energy.comHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 48 contacts → |
“Opex Energy is an engineering and technical assistance company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Iberastur Ingenieríaiberastur.comHQ: Avilés, SpainReported employees: 51-200 | Avilés, Spain | 51-200 | Exact match | 41 contacts → |
“Iberastur es una empresa especializada en ingeniería industrial, reconocida por ofrecer soluciones técnicas avanzadas para optimizar la eficiencia y el rendimiento de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Rcindustrialrcindustrial.esHQ: Córdoba, SpainReported employees: 201-500 | Córdoba, Spain | 201-500 | Exact match | 39 contacts → |
“RCIndustrial, con sede en Córdoba (España), es una empresa dedicada a la ejecución de proyectos de fabricación y montaje industrial, así como al mantenimiento de instalaciones…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Esqueiroesqueiro.esHQ: A Coruña, SpainReported employees: 51-200 | A Coruña, Spain | 51-200 | Exact match | 34 contacts → |
“ESQUEIRO, S.L.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Idip Idesa Industrial Plantsidesa.netHQ: Gijón, SpainReported employees: 51-200 | Gijón, Spain | 51-200 | Exact match | 26 contacts → |
“IDIP was established in 2015 to expand IDESA’s portfolio of services, providing integrated industrial solutions to clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Asfaltos Españoles SAasesa.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 24 contacts → |
“ASFALTOS ESPAÑOLES SA is an oil & energy company based out of CALLE TITÁN, 8, MADRID, Madrid, Spain.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ipsum Proyectos Industriales,s.Lipsumindustrial.comHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 23 contacts → |
“IPSUM Proyectos Industriales S.L.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Enemekenemek.comHQ: San Roque, SpainReported employees: 11-50 | San Roque, Spain | 11-50 | Exact match | 21 contacts → |
“Enemek is an EPC contractor specialised in utility-scale photovoltaic plants and Battery Energy Storage Systems (BESS).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Montube SUR SLmontubesur.com HQ: Puerto Real, SpainReported employees: 201-500 | Puerto Real, Spain | 201-500 | Exact match | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Tuberias Y Montajes Orgaz SLtmosl.com HQ: Alcala De Guadaira, SpainReported employees: 11-50 | Alcala De Guadaira, Spain | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Fort Instalaciones Petroleras SLfort-instalaciones.comHQ: Parets, SpainReported employees: 51-200 | Parets, Spain | 51-200 | Exact match | 16 contacts → |
“La experiencia familiar de más de 30 años en el sector de las instalaciones petroleras, nos llevó a crear en 1998 Fort Instalaciones Petroleras, una empresa de servicios en el…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Huelva, SpainReported employees: 11-50 | Huelva, Spain | 11-50 | Exact match | 16 contacts → |
“Empresa dedicada al mantenimiento de instalaciones industriales, entro los trabajos que realizamos destacamos- Servicios y mantenimiento electromecánico (Ajustes y servicios…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  BCS Ingeniería Y Fabricación S.Lbcsif.esHQ: Torrent, SpainReported employees: 51-200 | Torrent, Spain | 51-200 | Exact match | 13 contacts → |
“Somos tu empresa de ingeniería, instalación y montaje industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Adaptación Y Control DE Edificios, S.Lac-construccion.comHQ: Ripollet, SpainReported employees: 11-50 | Ripollet, Spain | 11-50 | Exact match | 11 contacts → |
“ADAPTACIÓN y CONTROL DE EDIFICIOS, S.L.(C.I.F: B65201782) es una empresa del sector de la construcción, radicada en Barcelona y fundada el año 2009.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 157 company matches
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Oil refinery contractors: dataset insights
November 6, 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
155 records in the displayed employee bands.
2 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 157 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 6, 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 ↗
Questions about this company list
What does Exact match mean for oil refinery 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 refinery contractors did RevenueBase find based in Spain?
The saved snapshot records 157 matching company records, 17,260 tracked contacts and 3,070 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 6, 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 refinery contractors by geography
- Oil refinery contractors based in Calgary, Canada
- Oil refinery contractors based in Mumbai, India
- Oil refinery contractors based in Tehran, Iran
- Oil refinery contractors based in Dammam, Saudi Arabia
- Oil refinery contractors based in Jubail, Saudi Arabia
- Oil refinery contractors based in Singapore, Singapore
- Oil refinery contractors based in Abu Dhabi, United Arab Emirates
- Oil refinery contractors based in Dubai, United Arab Emirates
- Oil refinery contractors based in Houston, United States
- Oil refinery contractors based in Argentina
- Oil refinery contractors based in Australia
- Oil refinery contractors based in Bahrain
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 oil refinery contractors based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/oil-refinery-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 refinery contractors based in Calgary, Canada
- Oil refinery contractors based in Mumbai, India
- Oil refinery contractors based in Tehran, Iran
- Oil refinery contractors based in Dammam, Saudi Arabia
- Oil refinery contractors based in Jubail, Saudi Arabia
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Company intelligence · public preview
Top 25 oil refinery contractors based in Spain
RevenueBase records 157 matching company records for oil refinery contractors based in Spain, with 17,260 tracked contacts and 3,070 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 6, 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 refinery 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Moncobramoncobra.grupocobra.com HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 478 contacts → |
“Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Dynatec, S.Adynatec.es HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 108 contacts → |
“Engineering company based in Madrid, Spain with over 40 years of experience in the fields of petrochemical and industrial engineering, conventional and nuclear power plants…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Thermantherman.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 64 contacts → |
“THERMAN Mantenimiento Industrial, S.L.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Aguilar Y Salas S.Aaguilarysalas.com HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 57 contacts → |
“ENG Aguilar y Salas, s.a.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Jauregui Ingeniería Y Servicios Industriales S.A Perteneciente AL Entorno Mercantil Serveo Serviciosjauregui.es HQ: Derio, SpainReported employees: 51-200 | Derio, Spain | 51-200 | Exact match | 52 contacts → |
“Empresa perteneciente al entorno mercantil de Serveo Servicios Ingeniería, Servicios de Montajes, Mantenimiento, origen en 1943, la Siderurgia "Sociedad Anónima Basconia" Desde…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Opex Energyopex-energy.com HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 48 contacts → |
“Opex Energy is an engineering and technical assistance company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Iberastur Ingenieríaiberastur.com HQ: Avilés, SpainReported employees: 51-200 | Avilés, Spain | 51-200 | Exact match | 41 contacts → |
“Iberastur es una empresa especializada en ingeniería industrial, reconocida por ofrecer soluciones técnicas avanzadas para optimizar la eficiencia y el rendimiento de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rcindustrialrcindustrial.es HQ: Córdoba, SpainReported employees: 201-500 | Córdoba, Spain | 201-500 | Exact match | 39 contacts → |
“RCIndustrial, con sede en Córdoba (España), es una empresa dedicada a la ejecución de proyectos de fabricación y montaje industrial, así como al mantenimiento de instalaciones…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Esqueiroesqueiro.es HQ: A Coruña, SpainReported employees: 51-200 | A Coruña, Spain | 51-200 | Exact match | 34 contacts → |
“ESQUEIRO, S.L.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Idip Idesa Industrial Plantsidesa.net HQ: Gijón, SpainReported employees: 51-200 | Gijón, Spain | 51-200 | Exact match | 26 contacts → |
“IDIP was established in 2015 to expand IDESA’s portfolio of services, providing integrated industrial solutions to clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Asfaltos Españoles SAasesa.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 24 contacts → |
“ASFALTOS ESPAÑOLES SA is an oil & energy company based out of CALLE TITÁN, 8, MADRID, Madrid, Spain.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ipsum Proyectos Industriales,s.Lipsumindustrial.com HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 23 contacts → |
“IPSUM Proyectos Industriales S.L.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Enemekenemek.com HQ: San Roque, SpainReported employees: 11-50 | San Roque, Spain | 11-50 | Exact match | 21 contacts → |
“Enemek is an EPC contractor specialised in utility-scale photovoltaic plants and Battery Energy Storage Systems (BESS).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Montube SUR SLmontubesur.com HQ: Puerto Real, SpainReported employees: 201-500 | Puerto Real, Spain | 201-500 | Exact match | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Tuberias Y Montajes Orgaz SLtmosl.com HQ: Alcala De Guadaira, SpainReported employees: 11-50 | Alcala De Guadaira, Spain | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Fort Instalaciones Petroleras SLfort-instalaciones.com HQ: Parets, SpainReported employees: 51-200 | Parets, Spain | 51-200 | Exact match | 16 contacts → |
“La experiencia familiar de más de 30 años en el sector de las instalaciones petroleras, nos llevó a crear en 1998 Fort Instalaciones Petroleras, una empresa de servicios en el…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Huelva, SpainReported employees: 11-50 | Huelva, Spain | 11-50 | Exact match | 16 contacts → |
“Empresa dedicada al mantenimiento de instalaciones industriales, entro los trabajos que realizamos destacamos- Servicios y mantenimiento electromecánico (Ajustes y servicios…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BCS Ingeniería Y Fabricación S.Lbcsif.es HQ: Torrent, SpainReported employees: 51-200 | Torrent, Spain | 51-200 | Exact match | 13 contacts → |
“Somos tu empresa de ingeniería, instalación y montaje industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Adaptación Y Control DE Edificios, S.Lac-construccion.com HQ: Ripollet, SpainReported employees: 11-50 | Ripollet, Spain | 11-50 | Exact match | 11 contacts → |
“ADAPTACIÓN y CONTROL DE EDIFICIOS, S.L.(C.I.F: B65201782) es una empresa del sector de la construcción, radicada en Barcelona y fundada el año 2009.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Oil refinery contractors: dataset insights
November 6, 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
155 records in the displayed employee bands.
2 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 157 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 6, 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 ↗
Questions about this company list
What does Exact match mean for oil refinery 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 refinery contractors did RevenueBase find based in Spain?
The saved snapshot records 157 matching company records, 17,260 tracked contacts and 3,070 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 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 oil refinery contractors based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/oil-refinery-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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