Company lists · Data refreshed November 2026

Top 8 Offshore infrastructure contractors based in Portugal

RevenueBase identified 42 company matches for offshore infrastructure contractors associated with Portugal as of November 2026 and tracks 1,492 professional contacts across them, including 372 with verified work emails. Lisbon is the largest hub.

This list covers company matches for offshore infrastructure contractors associated with Portugal, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
42Companies
1,492Contacts tracked
372Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 8 largest offshore infrastructure contractors based in Portugal

Ranked by team size
Top 8 of 42 company matches for offshore infrastructure contractors based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSetúbal, PortugalHQ recorded Nov 6, 2026501-1,000165 contacts →

Exact match

“Etermar is a leading European marine engineering company, operating in 16 different countries on four different continents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchQueijas, PortugalHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Seth established in 1933, thus celebrating its 92th Anniversary, as a result of its long experience and of its specialized equipment, is fully capable to carry out Civil and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSines, PortugalHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“A empresa SETROVA - Execução de Projectos, Lda, foi fundada em 1983 tendo como objecto social a execução de projectos fabris, representações e assistência técnica metalúrgica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLisbon, PortugalHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“A EPMF iniciou a atividade na área dos Projetos, Fiscalização e Manutenção de Instalações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSintra, PortugalHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Diverinstal, founded in 2001, is a company that operates in Energy, Telecommunications, Industrial installations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchVila Nova Da Telha, PortugalHQ recorded Nov 6, 202651-2007 contacts →

Exact match

“A Tubival - Instalações Industriais, Lda, actua principalmente na concepção, projecto e fornecimento de Instalações e Equipamentos industriais, especialmente nos domínios da…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSertã, PortugalHQ recorded Nov 6, 202651-2007 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchEsposende, PortugalHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Somos uma empresa especializada no pré-fabrico e montagem industrial, tal como mecânica e tubagem, construção e reparação de tanques, instalação de sistemas de refrigeração, bem…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 8 of 42 offshore infrastructure contractors based in Portugal

See the full list, filter by size, metro and specialty, and access 372 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Offshore infrastructure contractors based in Portugal at a glance

As of Nov 6, 2026
24.9%Verified-email coverage
35.5Average contacts per company
11-50Median size (employees)
16.7%Largest-city concentration · Lisbon
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
11
51-200
11
201-500
3
501-1,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Portugal, so it is reported there. Company counts and contact totals on this page are exact for Portugal, over 42 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 Portugal whose business descriptions match “offshore infrastructure 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 372 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 “offshore infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore infrastructure contractors are there based in Portugal?

RevenueBase identified 42 company matches for offshore infrastructure contractors associated with Portugal 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?

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

Which city has the most offshore infrastructure contractors?

Lisbon leads with 7 company records, followed by Viana Do Castelo (4) and Setubal (2).

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 372 professional contacts with verified work emails tracked across these 42 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 42 offshore infrastructure contractors based in Portugal. Start with a free account, no credit card.

Download this list →

Related lists

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.