Company lists · Data refreshed November 2026

Top 24 Offshore seismic contractors based in Brazil

RevenueBase identified 72 company matches for offshore seismic contractors associated with Brazil as of November 2026 and tracks 8,360 professional contacts across them, including 1,509 with verified work emails. Rio De Janeiro is the largest hub.

This list covers company matches for offshore seismic contractors associated with Brazil, 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
72Companies
8,360Contacts tracked
1,509Verified emails
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The 24 largest offshore seismic contractors based in Brazil

Ranked by team size
Top 24 of 72 company matches for offshore seismic contractors based in Brazil, 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 matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261,001-5,0002,402 contacts →

Exact match

“A OCYAN atua há décadas na prestação de serviços para o setor de óleo e gás upstream, estruturando suas operações em três frentes de atuação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNiterói, BrazilHQ recorded Nov 6, 20261,001-5,0001,847 contacts →

Exact match

“O Grupo CBO é uma das maiores empresas de apoio marítimo do Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026201-5001,353 contacts →

Exact match

“With more than 50 years of legacy, Maersk Supply Service celebrates a new important milestone: from November 1st, our headquarters are officially located in Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026n/a179 contacts →

Exact match

“DEEP SEA SUPPLY PLc Deep Sea Supply Plc (DESSC or The Company) is an offshore supply company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202611-50127 contacts →

Exact match

“Somos a OSX, empresa do Grupo EBX que atua na indústria naval e offshore, oferecendo soluções integradas de engenharia, construção, fretamento, e serviços de Operação e Manutenção…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMacaé, BrazilHQ recorded Nov 6, 202611-5098 contacts →

Exact match

“We are a company that offers advanced technology solutions in the Oil and Gas area, carrying out hydrographic surveys using ROV, AUV, USV and conventional surveys, analyzing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMaceió, BrazilHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“A GEODEEP é uma empresa especializada em diversos tipos de serviços onshore, offshore e zona de transição, em especial, levantamentos de dados geofísicos, geológicos e geotécnicos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026501-1,00063 contacts →

Exact match

“Solstad Offshore is a company based out of Rua Lauro Muller 116, sl.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261,001-5,00060 contacts →

Exact match

“Environmental Consulting, Licensing & Monitoring for Seismic and Drilling Activities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026201-50044 contacts →

Exact match

“A Sea1 Offshore do Brasil S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Founded in 1997, the company specialises in the acquisition, processing and interpretation of terrestrial and aquatic geophysical data, working in the areas of Mining…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Nosso core Business: Survey and Positinging e Soluções Tecnológicas e Inovadoras.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMacaé, BrazilHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“UNDEROCEAN operates in the Oil & Gas sector offering offshore project management services and ROV solutions, including equipment rental, maintenance, underwater inspection…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“PETREC is a technology-based company, 100% Brazilian, spin-off of COPPE/UFRJ, with headquarters in the Business Incubator of UFRJ, located inside the Technological Park at Ilha do…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRio Das Ostras, BrazilHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“INVISION GEOPHYSICS is a geoscience technology company committed to innovative solutions seeking effectiveness and agility.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRecife, BrazilHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Iara Systems is a start-up company committed with innovative and reliable solutions for the offshore oil & gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Company specializing in offshore projects, submarine launches and maritime transport.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202611-509 contacts →

Exact match

“With a massive passion for the innovative technology in the field of offshore surveying and subsea operations WAMS was created as a platform to deliver the best technology to our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Finding the perfect Offshore Unit can be difficult.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNiterói, BrazilHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Fundada em fevereiro de 2011 com a Razão Social de JAF Serviços Marítimos Ltda, e em janeiro de 2017 seus sócios resolveram mudar o nome da razão social para CS Serviços Marítimos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSão Francisco Do Sul, BrazilHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Desde a fundação, a Sub Marine tem como horizonte realizar serviços na área marítima com qualidade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202611-505 contacts →

Exact match

“SeaSeep is an Oil & Gas Data Acquisition Company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNiteroi, BrazilHQ recorded Nov 6, 202611-504 contacts →

Exact match

“A Atlantis Survey executa serviços de geofísica e oceanografia, inovadores e de alta qualidade nos seguimentos de Óleo & Gás, Wind Farms, Meio Ambiente e Portuários, possuindo…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Subsea Consult is the result of 23 years of solid experience in subsea construction associated with a broad network of partners with proven technical and operational expertise in…”

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

Showing 24 of 72 offshore seismic contractors based in Brazil

See the full list, filter by size, metro and specialty, and access 1,509 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore seismic contractors based in Brazil at a glance

As of Nov 6, 2026
18.1%Verified-email coverage
116.1Average contacts per company
11-50Median size (employees)
51.4%Largest-city concentration · Rio De Janeiro
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
28
51-200
9
201-500
6
501-1,000
3
1,001-5,000
6

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 72 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 Brazil whose business descriptions match “offshore seismic 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 1,509 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.

Offshore seismic 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 “offshore seismic contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore seismic contractors are there based in Brazil?

RevenueBase identified 72 company matches for offshore seismic contractors associated with Brazil 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?

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

Which city has the most offshore seismic contractors?

Rio De Janeiro leads with 37 company records, followed by Macae (6) and Rio Das Ostras (5).

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 1,509 professional contacts with verified work emails tracked across these 72 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.

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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.