Company lists · Data refreshed October 2026
Top 25 Offshore maintenance contractors based in Spain
RevenueBase identified 118 company matches for offshore maintenance contractors associated with Spain as of October 2026 and tracks 4,256 professional contacts across them, including 412 with verified work emails. Algeciras is the largest hub.
This list covers company matches for offshore maintenance 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 October 19, 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 offshore maintenance contractors based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 506 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 478 contacts → | ||||
Exact match “TETRACE es un Grupo Empresarial dedicado a ingeniería, construcción y mantenimiento de activos renovables, constituido en 2010.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 375 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 297 contacts → | ||||
Exact match “At KAEFER, we are your strategic partner for integrated industrial maintenance solutions.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 219 contacts → | ||||
Exact match “ACSM is a global leading provider of subsea services with 25 years of expertise within the offshore energy industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 155 contacts → | ||||
Exact match “Now, we are ALTTION, a large family in which each of its divisions is a specialist in its field.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 154 contacts → | ||||
Exact match “Altertec es una empresa líder de mantenimiento integral del sector eólico que nace en 2004 con el objetivo de dar respuestas a las necesidades del sector.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 123 contacts → | ||||
Exact match “Somos una empresa de servicios dedicada a ofrecer soluciones en el área de: SERVICIO ESPECIALIZADO DE PERSONAL SERVICIOS DE CAMPO Evaluación, Inspección y Mantenimiento de…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 116 contacts → | ||||
Exact match “Astilleros Canarios S.A.(Astican) is a leading privately owned ship repair yard, offering comprehensive repair, maintenance, and conversion services for all types of vessels…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 116 contacts → | ||||
Exact match “Somos una compañía especializada en el mantenimiento de aerogeneradores con una experiencia de casi 20 años trabajando en el sector”.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 106 contacts → | ||||
Exact match “Empresa dedicada al mantenimiento Naval desde hace 40 años, especialista en, preparacion de superficies y pintado de buques, tratamiento de casco y TANKCOATING.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 74 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 65 contacts → | ||||
Exact match “Asistencia Total en Mantenimiento España S.L.U.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 43 contacts → | ||||
Exact match “RigPro is the only truly global mast, spar and rigging service provider with an unparalleled ability to deliver engineered solutions on any type of rig and rigging.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 40 contacts → | ||||
Exact match “Fundada en 2007, Control Vertical S.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 40 contacts → | ||||
Exact match “Mas de 20 años de experiencia en el sector eólico.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 38 contacts → | ||||
Exact match “SINTEMAR is a company specialized in technical solutions for the installation, protection, repair and reliability of industrial and marine assets, with over 65 years of experience…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 35 contacts → | ||||
Exact match “Blay Marine Tech SL offers technical marine services and ship repairs as well as auxiliary services for the maritime industry in Spain.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 31 contacts → | ||||
Exact match “Sym Naval is a company of naval technical services, naval consultancy and own shipyard for the construction, conversion, maintenance and repair of ships.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 31 contacts → | ||||
Exact match “AMADESAM S.L is a maritime service company based out of Mazagón-Huelva, Spain.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 30 contacts → | ||||
Exact match “Naval Sector - Ship berths and moorings- Crane Service- Assembly and disassembly of scaffolding (Layher system)- Ship cleaning- Maneuvers of large tonnage parts (change of axles…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “Heavy Seas offers a comprehensive service for the marine sector.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 13 contacts → | ||||
Exact match “Innovative, Safe, Operational 24/7, Efficient, Adaptable, High Technical Quality.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 13 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “At Hidramar International we help to avoid downtimes to our clients providing cost-effective and safe high-quality assets maintenance in the Atlantic Ocean while they keep…” Recorded in the RevenueBase company graph · Oct 19, 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 “offshore maintenance 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 118 offshore maintenance contractors based in Spain
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Offshore maintenance contractors based in Spain at a glance
As of Oct 19, 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 118 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 “offshore maintenance 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 412 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 October 19, 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 “offshore maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many offshore maintenance contractors are there based in Spain?
RevenueBase identified 118 company matches for offshore maintenance contractors associated with Spain as of October 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?
Grupo Masa tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most offshore maintenance contractors?
Algeciras leads with 10 company records, followed by Madrid (8) and Palma De Mallorca (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 412 professional contacts with verified work emails tracked across these 118 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 October 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 118 offshore maintenance contractors based in Spain. Start with a free account, no credit card.
Download this list →Related lists
Offshore maintenance contractors by geography
- Offshore maintenance contractors based in Rio De Janeiro, Brazil
- Offshore maintenance contractors based in Mumbai, India
- Offshore maintenance contractors based in Kuala Lumpur, Malaysia
- Offshore maintenance contractors based in Singapore, Singapore
- Offshore maintenance contractors based in Abu Dhabi, United Arab Emirates
- Offshore maintenance contractors based in Dubai, United Arab Emirates
- Offshore maintenance contractors based in Aberdeen, United Kingdom
- Offshore maintenance contractors based in London, United Kingdom
- Offshore maintenance contractors based in Houston, United States
- Offshore maintenance contractors based in Argentina
- Offshore maintenance contractors based in Australia
- Offshore maintenance contractors based in Brazil
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
- Offshore maintenance contractors based in Rio De Janeiro, Brazil
- Offshore maintenance contractors based in Mumbai, India
- Offshore maintenance contractors based in Kuala Lumpur, Malaysia
- Offshore maintenance contractors based in Singapore, Singapore
- Offshore maintenance contractors based in Abu Dhabi, United Arab Emirates
- Offshore maintenance contractors based in Dubai, United Arab Emirates
Company intelligence · public preview
Top 25 offshore maintenance 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 118 matching company records for offshore maintenance contractors based in Spain, with 4,256 tracked contacts and 412 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: October 19, 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 offshore maintenance 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 |  Grupo Masamasagrupo.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 506 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Tetracetetrace.comHQ: Pamplona, SpainReported employees: 501-1,000 | Pamplona, Spain | 501-1,000 | Exact match | 478 contacts → |
“TETRACE es un Grupo Empresarial dedicado a ingeniería, construcción y mantenimiento de activos renovables, constituido en 2010.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Moncobramoncobra.grupocobra.comHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 375 contacts → |
“Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kaefer Servicios Industrialeskaefer.es HQ: Erandio, SpainReported employees: 1,001-5,000 | Erandio, Spain | 1,001-5,000 | Exact match | 297 contacts → |
“At KAEFER, we are your strategic partner for integrated industrial maintenance solutions.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ACSMacsmships.comHQ: Vigo, SpainReported employees: 51-200 | Vigo, Spain | 51-200 | Exact match | 219 contacts → |
“ACSM is a global leading provider of subsea services with 25 years of expertise within the offshore energy industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Alttionalttion.comHQ: Montcada I Reixac, SpainReported employees: 501-1,000 | Montcada I Reixac, Spain | 501-1,000 | Exact match | 155 contacts → |
“Now, we are ALTTION, a large family in which each of its divisions is a specialist in its field.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Altertecaltertec.netHQ: Valladolid, SpainReported employees: 201-500 | Valladolid, Spain | 201-500 | Exact match | 154 contacts → |
“Altertec es una empresa líder de mantenimiento integral del sector eólico que nace en 2004 con el objetivo de dar respuestas a las necesidades del sector.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Serprotech Energyserprotechenergy.comHQ: Valencia/valència, SpainReported employees: 51-200 | Valencia/valència, Spain | 51-200 | Exact match | 123 contacts → |
“Somos una empresa de servicios dedicada a ofrecer soluciones en el área de: SERVICIO ESPECIALIZADO DE PERSONAL SERVICIOS DE CAMPO Evaluación, Inspección y Mantenimiento de…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Asticanastican.esHQ: Las Palmas Of Gran Canaria, SpainReported employees: 201-500 | Las Palmas Of Gran Canaria, Spain | 201-500 | Exact match | 116 contacts → |
“Astilleros Canarios S.A.(Astican) is a leading privately owned ship repair yard, offering comprehensive repair, maintenance, and conversion services for all types of vessels…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Comantur, S.Lcomantur.comHQ: Cárcar, SpainReported employees: 51-200 | Cárcar, Spain | 51-200 | Exact match | 116 contacts → |
“Somos una compañía especializada en el mantenimiento de aerogeneradores con una experiencia de casi 20 años trabajando en el sector”.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Indasaindasa.com HQ: Naron, SpainReported employees: 501-1,000 | Naron, Spain | 501-1,000 | Exact match | 106 contacts → |
“Empresa dedicada al mantenimiento Naval desde hace 40 años, especialista en, preparacion de superficies y pintado de buques, tratamiento de casco y TANKCOATING.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Tincasur Sur, S.Ltincasur.comHQ: Puerto Real, SpainReported employees: 51-200 | Puerto Real, Spain | 51-200 | Exact match | 74 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ATM Españaatmtotal.comHQ: Gijón, SpainReported employees: 201-500 | Gijón, Spain | 201-500 | Exact match | 65 contacts → |
“Asistencia Total en Mantenimiento España S.L.U.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rigprorig-pro.com HQ: Palma De Mallorca, SpainReported employees: 51-200 | Palma De Mallorca, Spain | 51-200 | Exact match | 43 contacts → |
“RigPro is the only truly global mast, spar and rigging service provider with an unparalleled ability to deliver engineered solutions on any type of rig and rigging.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Control Verticalcontrolvertical.esHQ: Ferrol, SpainReported employees: 51-200 | Ferrol, Spain | 51-200 | Exact match | 40 contacts → |
“Fundada en 2007, Control Vertical S.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Air-Ronair-ron.esHQ: Caparroso, SpainReported employees: 51-200 | Caparroso, Spain | 51-200 | Exact match | 40 contacts → |
“Mas de 20 años de experiencia en el sector eólico.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sintemarsintemar.comHQ: Erandio, SpainReported employees: 11-50 | Erandio, Spain | 11-50 | Exact match | 38 contacts → |
“SINTEMAR is a company specialized in technical solutions for the installation, protection, repair and reliability of industrial and marine assets, with over 65 years of experience…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  BMT Repairsbmt-repairs.comHQ: Los Barrios, SpainReported employees: 51-200 | Los Barrios, Spain | 51-200 | Exact match | 35 contacts → |
“Blay Marine Tech SL offers technical marine services and ship repairs as well as auxiliary services for the maritime industry in Spain.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  SYM Navalsym-naval.comHQ: Puerto Vilanova I La Geltrú, SpainReported employees: 51-200 | Puerto Vilanova I La Geltrú, Spain | 51-200 | Exact match | 31 contacts → |
“Sym Naval is a company of naval technical services, naval consultancy and own shipyard for the construction, conversion, maintenance and repair of ships.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Amadesam S.Lamadesam.comHQ: Mazagón, SpainReported employees: 11-50 | Mazagón, Spain | 11-50 | Exact match | 31 contacts → |
“AMADESAM S.L is a maritime service company based out of Mazagón-Huelva, Spain.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  COASAcoasanaval.comHQ: Cádiz, SpainReported employees: 11-50 | Cádiz, Spain | 11-50 | Exact match | 30 contacts → |
“Naval Sector - Ship berths and moorings- Crane Service- Assembly and disassembly of scaffolding (Layher system)- Ship cleaning- Maneuvers of large tonnage parts (change of axles…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Heavy Seasheavyseas.netHQ: Palma De Mallorca, SpainReported employees: 11-50 | Palma De Mallorca, Spain | 11-50 | Exact match | 16 contacts → |
“Heavy Seas offers a comprehensive service for the marine sector.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Gtsuniversalgtsuniversal.comHQ: Algeciras, SpainReported employees: 201-500 | Algeciras, Spain | 201-500 | Exact match | 13 contacts → |
“Innovative, Safe, Operational 24/7, Efficient, Adaptable, High Technical Quality.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Fort Instalaciones Petroleras SLfort-instalaciones.comHQ: Parets, SpainReported employees: 51-200 | Parets, Spain | 51-200 | Exact match | 13 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Hidramar Internationalhidramarintl.comHQ: Santa Cruz De Tenerife, SpainReported employees: 11-50 | Santa Cruz De Tenerife, Spain | 11-50 | Exact match | 12 contacts → |
“At Hidramar International we help to avoid downtimes to our clients providing cost-effective and safe high-quality assets maintenance in the Atlantic Ocean while they keep…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 118 company matches
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Offshore maintenance contractors: dataset insights
October 19, 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
117 records in the displayed employee bands.
1 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 118 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: October 19, 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 offshore maintenance 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 offshore maintenance contractors did RevenueBase find based in Spain?
The saved snapshot records 118 matching company records, 4,256 tracked contacts and 412 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: October 19, 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
Offshore maintenance contractors by geography
- Offshore maintenance contractors based in Rio De Janeiro, Brazil
- Offshore maintenance contractors based in Mumbai, India
- Offshore maintenance contractors based in Kuala Lumpur, Malaysia
- Offshore maintenance contractors based in Singapore, Singapore
- Offshore maintenance contractors based in Abu Dhabi, United Arab Emirates
- Offshore maintenance contractors based in Dubai, United Arab Emirates
- Offshore maintenance contractors based in Aberdeen, United Kingdom
- Offshore maintenance contractors based in London, United Kingdom
- Offshore maintenance contractors based in Houston, United States
- Offshore maintenance contractors based in Argentina
- Offshore maintenance contractors based in Australia
- Offshore maintenance contractors based in Brazil
Cite this list
RevenueBase Data Team. Top 25 offshore maintenance contractors based in Spain. Snapshot: October 19, 2026. https://revenuebase.ai/companies/offshore-maintenance-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
- Offshore maintenance contractors based in Rio De Janeiro, Brazil
- Offshore maintenance contractors based in Mumbai, India
- Offshore maintenance contractors based in Kuala Lumpur, Malaysia
- Offshore maintenance contractors based in Singapore, Singapore
- Offshore maintenance contractors based in Abu Dhabi, United Arab Emirates
- Offshore maintenance contractors based in Dubai, United Arab Emirates
Company intelligence · public preview
Top 25 offshore maintenance contractors based in Spain
RevenueBase records 118 matching company records for offshore maintenance contractors based in Spain, with 4,256 tracked contacts and 412 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: October 19, 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 offshore maintenance 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 | Grupo Masamasagrupo.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 506 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Tetracetetrace.com HQ: Pamplona, SpainReported employees: 501-1,000 | Pamplona, Spain | 501-1,000 | Exact match | 478 contacts → |
“TETRACE es un Grupo Empresarial dedicado a ingeniería, construcción y mantenimiento de activos renovables, constituido en 2010.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Moncobramoncobra.grupocobra.com HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 375 contacts → |
“Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kaefer Servicios Industrialeskaefer.es HQ: Erandio, SpainReported employees: 1,001-5,000 | Erandio, Spain | 1,001-5,000 | Exact match | 297 contacts → |
“At KAEFER, we are your strategic partner for integrated industrial maintenance solutions.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ACSMacsmships.com HQ: Vigo, SpainReported employees: 51-200 | Vigo, Spain | 51-200 | Exact match | 219 contacts → |
“ACSM is a global leading provider of subsea services with 25 years of expertise within the offshore energy industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Alttionalttion.com HQ: Montcada I Reixac, SpainReported employees: 501-1,000 | Montcada I Reixac, Spain | 501-1,000 | Exact match | 155 contacts → |
“Now, we are ALTTION, a large family in which each of its divisions is a specialist in its field.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Altertecaltertec.net HQ: Valladolid, SpainReported employees: 201-500 | Valladolid, Spain | 201-500 | Exact match | 154 contacts → |
“Altertec es una empresa líder de mantenimiento integral del sector eólico que nace en 2004 con el objetivo de dar respuestas a las necesidades del sector.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Serprotech Energyserprotechenergy.com HQ: Valencia/valència, SpainReported employees: 51-200 | Valencia/valència, Spain | 51-200 | Exact match | 123 contacts → |
“Somos una empresa de servicios dedicada a ofrecer soluciones en el área de: SERVICIO ESPECIALIZADO DE PERSONAL SERVICIOS DE CAMPO Evaluación, Inspección y Mantenimiento de…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Asticanastican.es HQ: Las Palmas Of Gran Canaria, SpainReported employees: 201-500 | Las Palmas Of Gran Canaria, Spain | 201-500 | Exact match | 116 contacts → |
“Astilleros Canarios S.A.(Astican) is a leading privately owned ship repair yard, offering comprehensive repair, maintenance, and conversion services for all types of vessels…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Comantur, S.Lcomantur.com HQ: Cárcar, SpainReported employees: 51-200 | Cárcar, Spain | 51-200 | Exact match | 116 contacts → |
“Somos una compañía especializada en el mantenimiento de aerogeneradores con una experiencia de casi 20 años trabajando en el sector”.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Indasaindasa.com HQ: Naron, SpainReported employees: 501-1,000 | Naron, Spain | 501-1,000 | Exact match | 106 contacts → |
“Empresa dedicada al mantenimiento Naval desde hace 40 años, especialista en, preparacion de superficies y pintado de buques, tratamiento de casco y TANKCOATING.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Tincasur Sur, S.Ltincasur.com HQ: Puerto Real, SpainReported employees: 51-200 | Puerto Real, Spain | 51-200 | Exact match | 74 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ATM Españaatmtotal.com HQ: Gijón, SpainReported employees: 201-500 | Gijón, Spain | 201-500 | Exact match | 65 contacts → |
“Asistencia Total en Mantenimiento España S.L.U.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rigprorig-pro.com HQ: Palma De Mallorca, SpainReported employees: 51-200 | Palma De Mallorca, Spain | 51-200 | Exact match | 43 contacts → |
“RigPro is the only truly global mast, spar and rigging service provider with an unparalleled ability to deliver engineered solutions on any type of rig and rigging.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Control Verticalcontrolvertical.es HQ: Ferrol, SpainReported employees: 51-200 | Ferrol, Spain | 51-200 | Exact match | 40 contacts → |
“Fundada en 2007, Control Vertical S.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Air-Ronair-ron.es HQ: Caparroso, SpainReported employees: 51-200 | Caparroso, Spain | 51-200 | Exact match | 40 contacts → |
“Mas de 20 años de experiencia en el sector eólico.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sintemarsintemar.com HQ: Erandio, SpainReported employees: 11-50 | Erandio, Spain | 11-50 | Exact match | 38 contacts → |
“SINTEMAR is a company specialized in technical solutions for the installation, protection, repair and reliability of industrial and marine assets, with over 65 years of experience…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | BMT Repairsbmt-repairs.com HQ: Los Barrios, SpainReported employees: 51-200 | Los Barrios, Spain | 51-200 | Exact match | 35 contacts → |
“Blay Marine Tech SL offers technical marine services and ship repairs as well as auxiliary services for the maritime industry in Spain.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | SYM Navalsym-naval.com HQ: Puerto Vilanova I La Geltrú, SpainReported employees: 51-200 | Puerto Vilanova I La Geltrú, Spain | 51-200 | Exact match | 31 contacts → |
“Sym Naval is a company of naval technical services, naval consultancy and own shipyard for the construction, conversion, maintenance and repair of ships.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Amadesam S.Lamadesam.com HQ: Mazagón, SpainReported employees: 11-50 | Mazagón, Spain | 11-50 | Exact match | 31 contacts → |
“AMADESAM S.L is a maritime service company based out of Mazagón-Huelva, Spain.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | COASAcoasanaval.com HQ: Cádiz, SpainReported employees: 11-50 | Cádiz, Spain | 11-50 | Exact match | 30 contacts → |
“Naval Sector - Ship berths and moorings- Crane Service- Assembly and disassembly of scaffolding (Layher system)- Ship cleaning- Maneuvers of large tonnage parts (change of axles…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Heavy Seasheavyseas.net HQ: Palma De Mallorca, SpainReported employees: 11-50 | Palma De Mallorca, Spain | 11-50 | Exact match | 16 contacts → |
“Heavy Seas offers a comprehensive service for the marine sector.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Gtsuniversalgtsuniversal.com HQ: Algeciras, SpainReported employees: 201-500 | Algeciras, Spain | 201-500 | Exact match | 13 contacts → |
“Innovative, Safe, Operational 24/7, Efficient, Adaptable, High Technical Quality.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fort Instalaciones Petroleras SLfort-instalaciones.com HQ: Parets, SpainReported employees: 51-200 | Parets, Spain | 51-200 | Exact match | 13 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hidramar Internationalhidramarintl.com HQ: Santa Cruz De Tenerife, SpainReported employees: 11-50 | Santa Cruz De Tenerife, Spain | 11-50 | Exact match | 12 contacts → |
“At Hidramar International we help to avoid downtimes to our clients providing cost-effective and safe high-quality assets maintenance in the Atlantic Ocean while they keep…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 118 company matches
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Offshore maintenance contractors: dataset insights
October 19, 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
117 records in the displayed employee bands.
1 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 118 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: October 19, 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 offshore maintenance 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 offshore maintenance contractors did RevenueBase find based in Spain?
The saved snapshot records 118 matching company records, 4,256 tracked contacts and 412 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: October 19, 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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Cite this list
RevenueBase Data Team. Top 25 offshore maintenance contractors based in Spain. Snapshot: October 19, 2026. https://revenuebase.ai/companies/offshore-maintenance-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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