Company lists · Data refreshed November 2026

Top 25 Oil and gas facility contractors based in Spain

RevenueBase identified 280 company matches for oil and gas facility contractors associated with Spain as of November 2026 and tracks 21,243 professional contacts across them, including 3,707 with verified work emails. Madrid is the largest hub.

This list covers company matches for oil and gas facility 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 4, 2026 How this list was built
280Companies
21,243Contacts tracked
3,707Verified emails
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The 25 largest oil and gas facility contractors based in Spain

Ranked by team size
Top 25 of 280 company matches for oil and gas facility contractors based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, SpainHQ recorded Nov 4, 202610001+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
2Exact match11510 Puerto Real, SpainHQ recorded Nov 4, 20261,001-5,0001,579 contacts →

Exact match

“Founded in 1972, Dragados Offshore S.A.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchBilbao, SpainHQ recorded Nov 4, 20261,001-5,000750 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
4Exact matchMadrid, SpainHQ recorded Nov 4, 20261,001-5,000528 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
5Exact matchArgamasilla De Calatrava, SpainHQ recorded Nov 4, 20261,001-5,000488 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
6Exact matchMadrid, SpainHQ recorded Nov 4, 2026501-1,000478 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 4, 2026 · View company records in RevenueBase
7Exact matchErandio, SpainHQ recorded Nov 4, 20261,001-5,000305 contacts →

Exact match

“At KAEFER, we are your strategic partner for integrated industrial maintenance solutions.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Nov 4, 2026501-1,000288 contacts →

Exact match

“Contratista general con actividad internacional que se dedica a la ingeniería, diseño y construcción de todo tipo de instalaciones industriales para un amplio espectro de clientes…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchBergondo, SpainHQ recorded Nov 4, 2026201-500229 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
10Exact matchGijón, SpainHQ recorded Nov 4, 2026201-500131 contacts →

Exact match

“Founded in 1993, IDESA has grown to become one of the most currently recognized and respected companies in the design, fabrication and supply of static and modular equipment…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Nov 4, 20261,001-5,000119 contacts →

Exact match

“Propav Infraestructuras (Propav) is an international company, specializing in the provision of multidisciplinary and sustainable services in the sector of infrastructure…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Nov 4, 202651-200107 contacts →

Exact match

“DISEÑOS Y PROYECTOS REUNIDOS, S.A.(DISEPROSA), fundada en Madrid en 1986 y dedicada al desarrollo y prestación de servicios de Ingeniería y Consultoría, Dirección y Supervisión de…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchMadrid, SpainHQ recorded Nov 4, 202651-200106 contacts →

Exact match

“Grupo Maipú nace en España en 1995.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchAbrera, SpainHQ recorded Nov 4, 202651-20079 contacts →

Exact match

“En LEDR Ingeniería y Servicios SL no solo diseñamos sobre el plano, nuestra verdadera fuerza reside en la capacidad de ejecutar proyectos desde el concepto inicial hasta la puesta…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchPaterna, SpainHQ recorded Nov 4, 202651-20079 contacts →

Exact match

“GENERA Q es una empresa especializada en el diseño, ejecución y mantenimiento de instalaciones.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchBetanzos, SpainHQ recorded Nov 4, 2026201-50078 contacts →

Exact match

“INELTRON es una empresa multinacional especializada en la prestación de servicios de ingeniería, construcción, puesta en marcha, operación y mantenimiento en sistemas de…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchPuerto Real, SpainHQ recorded Nov 4, 202651-20078 contacts →

Exact match

“Tincasur Sur es una empresa de servicios con una gran experiencia en los campos Naval, Industrial y OffShore, contando con dos divisiones, una dedicada a la Mecánica y otra a la…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchSan Sebastián De Los Reyes, SpainHQ recorded Nov 4, 2026201-50065 contacts →

Exact match

“Design and Projects International, C.A.(DAPIN, C.A.), is a thriving engineering and construction company in the Oil & Gas / Energy industry positioned in natural gas, refining…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchGranada, SpainHQ recorded Nov 4, 202651-20064 contacts →

Exact match

“GRULOP es una constructora de ámbito nacional especializada en ejecutar proyectos de obra civil, infraestructuras y edificación de alta complejidad, transformando cada reto…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchManresa, SpainHQ recorded Nov 4, 202651-20056 contacts →

Exact match

“A Cots i Claret volem acompanyar-te en la construcció del teu projecte.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchValencia, SpainHQ recorded Nov 4, 202651-20052 contacts →

Exact match

“Servitria nació hace más de 30 años con el propósito de ofrecer a sus clientes una solución integral a sus proyectos.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchValencia, SpainHQ recorded Nov 4, 202651-20049 contacts →

Exact match

“OCIDE es una compañía consolidada en todas las fases del proceso constructivo, desde la ingeniería, mediante diseño y procesos, pasando por la ejecución y finalizando en la…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23Exact matchBarcelona, SpainHQ recorded Nov 4, 202611-5048 contacts →

Exact match

“Opex Energy is an engineering and technical assistance company.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24Exact matchSanta Fé, SpainHQ recorded Nov 4, 202651-20046 contacts →

Exact match

“Grupo Eigra is a group of companies from Granada (Spain) specialised in the execution of projects, integrating services and technology for the Industrial, Energy and Tertiary…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25Exact matchCórdoba, SpainHQ recorded Nov 4, 2026201-50039 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 4, 2026 · View company records in RevenueBase

Showing 25 of 280 oil and gas facility contractors based in Spain

See the full list, filter by size, metro and specialty, and access 3,707 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas facility contractors based in Spain at a glance

As of Nov 4, 2026
17.5%Verified-email coverage
75.9Average contacts per company
11-50Median size (employees)
14.3%Largest-city concentration · Madrid
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
60
11-50
131
51-200
55
201-500
15
501-1,000
7
1,001-5,000
8
10001+
1

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 280 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 facility 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 3,707 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 facility 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 facility contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas facility contractors are there based in Spain?

RevenueBase identified 280 company matches for oil and gas facility 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 facility contractors?

Madrid leads with 40 company records, followed by Barcelona (14) and Gijon (8).

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 3,707 professional contacts with verified work emails tracked across these 280 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.

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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.