Company lists · Data refreshed October 2026
Top 18 Offshore seismic contractors based in Rio De Janeiro, Brazil
RevenueBase identified 45 company matches for offshore seismic contractors associated with Rio De Janeiro, Brazil as of October 2026 and tracks 6,054 professional contacts across them, including 417 with verified work emails. Across Brazil, Rio De Janeiro is the largest hub for this category.
This list covers company matches for offshore seismic contractors associated with Rio De Janeiro, 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 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 18 largest offshore seismic contractors based in Rio De Janeiro, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,328 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,277 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 338 contacts → | ||||
Exact match “Founded in 2011 by the Gradin family, GranEnergia is an Integrated Offshore Energy Services Company, headquartered in Brazil and the Netherlands.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 124 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 62 contacts → | ||||
Exact match “Solstad Offshore is a company based out of Rua Lauro Muller 116, sl.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 59 contacts → | ||||
Exact match “Environmental Consulting, Licensing & Monitoring for Seismic and Drilling Activities.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 38 contacts → | ||||
Exact match “Nosso core Business: Survey and Positinging e Soluções Tecnológicas e Inovadoras.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 34 contacts → | ||||
Exact match “A Sea1 Offshore do Brasil S.A.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 29 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 27 contacts → | ||||
Exact match “Solintec is now part of Core Laboratories.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “São quatro áreas de atuação: Geotecnia, Geologia, Geofísica e Mergulho Profissional.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “About us In 2018, Kognitus was founded in Rio de Janeiro, Brazil, to facilitate the adoption of AI technologies and accelerate their insertion into the mainstream of subsurface…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 9 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Company specializing in offshore projects, submarine launches and maritime transport.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “Finding the perfect Offshore Unit can be difficult.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Geopost, a brand of Katalyst Data Management, provides various services and products to the Oil & Gas industry, including instant online access to integrated data of all types…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “SeaSeep is an Oil & Gas Data Acquisition Company.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 3 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 · 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 seismic 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 18 of 45 offshore seismic contractors based in Rio De Janeiro, Brazil
See the full list, filter by size, metro and specialty, and access 417 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Offshore seismic contractors based in Rio De Janeiro, Brazil at a glance
As of Oct 19, 2026Companies by employee count
Email recency for this list is measured across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 45 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 Rio De Janeiro, 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 417 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 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 Rio De Janeiro, Brazil?
RevenueBase identified 45 company matches for offshore seismic contractors associated with Rio De Janeiro, Brazil 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?
OCYAN tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Brazil has the most offshore seismic contractors?
Rio De Janeiro leads Brazil with 45 company records, followed by Sao Paulo (8) and Macae (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 417 professional contacts with verified work emails tracked across these 45 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 45 offshore seismic contractors based in Rio De Janeiro, Brazil. Start with a free account, no credit card.
Download this list →Related lists
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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.
More company lists
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Company intelligence · public preview
Top 18 offshore seismic contractors based in Rio De Janeiro, Brazil
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 45 matching company records for offshore seismic contractors based in Rio De Janeiro, Brazil, with 6,054 tracked contacts and 417 verified work emails.
This public preview shows 18 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 18 offshore seismic contractors based in Rio De Janeiro, Brazil
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 |  OCYANocyan-sa.comHQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,328 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Maersk Supply Servicemaersksupplyservice.comHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 1,277 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Granenergiagranenergia.comHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 338 contacts → |
“Founded in 2011 by the Gradin family, GranEnergia is an Integrated Offshore Energy Services Company, headquartered in Brazil and the Netherlands.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  OSXosx.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 124 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Solstad Offshoreonboard.solstad.comHQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 62 contacts → |
“Solstad Offshore is a company based out of Rua Lauro Muller 116, sl.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Navoceannavocean.com.brHQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 59 contacts → |
“Environmental Consulting, Licensing & Monitoring for Seismic and Drilling Activities.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Mitang Brasilmitang.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 38 contacts → |
“Nosso core Business: Survey and Positinging e Soluções Tecnológicas e Inovadoras.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sea1 Offshore DO Brasil S.Asea1offshore.comHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 34 contacts → |
“A Sea1 Offshore do Brasil S.A.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Petrecpetrec.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 29 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Core Lab-Solintecsolintec.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 27 contacts → |
“Solintec is now part of Core Laboratories.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Geosea Investigações Geotécnicasgeosea.com.brHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 14 contacts → |
“São quatro áreas de atuação: Geotecnia, Geologia, Geofísica e Mergulho Profissional.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Kognitus Subsurface Analysis At The Speed Of AIkognitus.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 12 contacts → |
“About us In 2018, Kognitus was founded in Rio de Janeiro, Brazil, to facilitate the adoption of AI technologies and accelerate their insertion into the mainstream of subsurface…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wams Subseawams.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 9 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Blue Amazon Shipping Projects S.Ablueamazon.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 8 contacts → |
“Company specializing in offshore projects, submarine launches and maritime transport.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Delta Offshoredeltaoffshore.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 8 contacts → |
“Finding the perfect Offshore Unit can be difficult.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Geopostkatalystdm.comHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 5 contacts → |
“Geopost, a brand of Katalyst Data Management, provides various services and products to the Oil & Gas industry, including instant online access to integrated data of all types…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Seaseepseaseep.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 5 contacts → |
“SeaSeep is an Oil & Gas Data Acquisition Company.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Subsea Consult LLCsubseaconsult.comHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 45 company matches
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Offshore seismic 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
45 records in the displayed employee bands.
0 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 across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 45 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 seismic 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 seismic contractors did RevenueBase find based in Rio De Janeiro, Brazil?
The saved snapshot records 45 matching company records, 6,054 tracked contacts and 417 verified emails. The public preview displays 18 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 seismic contractors by geography
- Offshore seismic contractors based in Calgary, Canada
- Offshore seismic contractors based in Aberdeen, United Kingdom
- Offshore seismic contractors based in London, United Kingdom
- Offshore seismic contractors based in Houston, United States
- Offshore seismic contractors based in Australia
- Offshore seismic contractors based in Brazil
- Offshore seismic contractors based in Canada
- Offshore seismic contractors based in France
- Offshore seismic contractors based in Germany
- Offshore seismic contractors based in India
- Offshore seismic contractors based in Indonesia
- Offshore seismic contractors based in Italy
Cite this list
RevenueBase Data Team. Top 18 offshore seismic contractors based in Rio De Janeiro, Brazil. Snapshot: October 19, 2026. https://revenuebase.ai/companies/offshore-seismic-contractors/brazil/rio-de-janeiro.
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 seismic contractors based in Calgary, Canada
- Offshore seismic contractors based in Aberdeen, United Kingdom
- Offshore seismic contractors based in London, United Kingdom
- Offshore seismic contractors based in Houston, United States
- Offshore seismic contractors based in Australia
- Offshore seismic contractors based in Brazil
Company intelligence · public preview
Top 18 offshore seismic contractors based in Rio De Janeiro, Brazil
RevenueBase records 45 matching company records for offshore seismic contractors based in Rio De Janeiro, Brazil, with 6,054 tracked contacts and 417 verified work emails.
This public preview shows 18 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 18 offshore seismic contractors based in Rio De Janeiro, Brazil
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 | OCYANocyan-sa.com HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,328 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Maersk Supply Servicemaersksupplyservice.com HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 1,277 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Granenergiagranenergia.com HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 338 contacts → |
“Founded in 2011 by the Gradin family, GranEnergia is an Integrated Offshore Energy Services Company, headquartered in Brazil and the Netherlands.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | OSXosx.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 124 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Solstad Offshoreonboard.solstad.com HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 62 contacts → |
“Solstad Offshore is a company based out of Rua Lauro Muller 116, sl.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Navoceannavocean.com.br HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 59 contacts → |
“Environmental Consulting, Licensing & Monitoring for Seismic and Drilling Activities.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Mitang Brasilmitang.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 38 contacts → |
“Nosso core Business: Survey and Positinging e Soluções Tecnológicas e Inovadoras.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sea1 Offshore DO Brasil S.Asea1offshore.com HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 34 contacts → |
“A Sea1 Offshore do Brasil S.A.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Petrecpetrec.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 29 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Core Lab-Solintecsolintec.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 27 contacts → |
“Solintec is now part of Core Laboratories.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geosea Investigações Geotécnicasgeosea.com.br HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 14 contacts → |
“São quatro áreas de atuação: Geotecnia, Geologia, Geofísica e Mergulho Profissional.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Kognitus Subsurface Analysis At The Speed Of AIkognitus.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 12 contacts → |
“About us In 2018, Kognitus was founded in Rio de Janeiro, Brazil, to facilitate the adoption of AI technologies and accelerate their insertion into the mainstream of subsurface…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wams Subseawams.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 9 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Blue Amazon Shipping Projects S.Ablueamazon.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 8 contacts → |
“Company specializing in offshore projects, submarine launches and maritime transport.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Delta Offshoredeltaoffshore.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 8 contacts → |
“Finding the perfect Offshore Unit can be difficult.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Geopostkatalystdm.com HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 5 contacts → |
“Geopost, a brand of Katalyst Data Management, provides various services and products to the Oil & Gas industry, including instant online access to integrated data of all types…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Seaseepseaseep.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 5 contacts → |
“SeaSeep is an Oil & Gas Data Acquisition Company.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Subsea Consult LLCsubseaconsult.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 45 company matches
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Offshore seismic 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
45 records in the displayed employee bands.
0 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 across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 45 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 seismic 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 seismic contractors did RevenueBase find based in Rio De Janeiro, Brazil?
The saved snapshot records 45 matching company records, 6,054 tracked contacts and 417 verified emails. The public preview displays 18 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 18 offshore seismic contractors based in Rio De Janeiro, Brazil. Snapshot: October 19, 2026. https://revenuebase.ai/companies/offshore-seismic-contractors/brazil/rio-de-janeiro.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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