Company lists · Data refreshed September 2026

Top 23 Deepwater drilling contractors based in Brazil

RevenueBase identified 80 company matches for deepwater drilling contractors associated with Brazil as of September 2026 and tracks 11,897 professional contacts across them, including 1,580 with verified work emails. Rio De Janeiro is the largest hub.

This list covers company matches for deepwater drilling 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 September 16, 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 Sep 16, 2026 How this list was built
80Companies
11,897Contacts tracked
1,580Verified emails
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The 23 largest deepwater drilling contractors based in Brazil

Ranked by team size
Top 23 of 80 company matches for deepwater drilling contractors based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 Sep 16, 20261,001-5,0002,427 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 · Sep 16, 2026 · View company records in RevenueBase
2Exact matchNiterói, BrazilHQ recorded Sep 16, 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 · Sep 16, 2026 · View company records in RevenueBase
3Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 2026201-5001,407 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 · Sep 16, 2026 · View company records in RevenueBase
4Exact matchAlagoinhas, BrazilHQ recorded Sep 16, 2026501-1,000637 contacts →

Exact match

“Referência de compromisso e seriedade, a Braserv é uma empresa nacional que atua desde 2009 no mercado.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchRio Das Ostras, BrazilHQ recorded Sep 16, 2026201-500444 contacts →

Exact match

“STEP OIL & GAS is a company with operations in Brazil and a focus on the fabrication sector of the oil and gas industry.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchMacaé, BrazilHQ recorded Sep 16, 20261,001-5,000309 contacts →

Exact match

“Oil States Brasil Macaé Facility is the 24/7 ONE STOP SHOP, with Engineering, Project Management, Machinery/Fabrication, Specialized Welding, Cladding, TSA, Testing, segregated…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 2026201-500304 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 · Sep 16, 2026 · View company records in RevenueBase
8Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 2026201-500127 contacts →

Exact match

“A Oilequip Produtos e Serviços Ltda.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchRio Das Ostras, BrazilHQ recorded Sep 16, 202651-200102 contacts →

Exact match

“Trabalho bem feito.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 202611-50102 contacts →

Exact match

“PETROSERV was founded in 1972.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 202651-20093 contacts →

Exact match

“Marlin Navegacao S.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchMaceió, BrazilHQ recorded Sep 16, 202651-20067 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 · Sep 16, 2026 · View company records in RevenueBase
13Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 2026501-1,00041 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchMacaé, BrazilHQ recorded Sep 16, 202651-20035 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 · Sep 16, 2026 · View company records in RevenueBase
15Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 2026201-50033 contacts →

Exact match

“A Sea1 Offshore do Brasil S.A.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 2026201-50029 contacts →

Exact match

“A Superior Energy Services atende às necessidades de perfuração, completação e produção de empresas de petróleo e gás em todo o mundo, através de um portfólio diversificado de…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 202651-20017 contacts →

Exact match

“Uma empresa global para fornecimento de serviços profissionais e diversificados de petróleo e gás.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 202611-5011 contacts →

Exact match

“TECNOIL is an oil & energy company based out of Brazil.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchRio Das Ostras, BrazilHQ recorded Sep 16, 202611-508 contacts →

Exact match

“ARRAIAL DO CABO/RJ – MATRIZ: Fundada em 15/07/1989, atualmente instalada em uma área de m² aproximadamente, totalmente coberta, a CABOMAR SERVIÇOS vem atuando há mais de 24 anos…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchRio De Janeiro, BrazilHQ recorded Sep 16, 20261-107 contacts →

Exact match

“Finding the perfect Offshore Unit can be difficult.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchRecife, BrazilHQ recorded Sep 16, 202611-505 contacts →

Exact match

“Empresa consolidada no mercado, a Prisma Perfuração de Poços usa sua vasta experiência técnica para proporcionar aos clientes, os resultados esperados nas perfuração e manutenção…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchMacaé, BrazilHQ recorded Sep 16, 202611-504 contacts →

Exact match

“Uma empresa jovem e dinâmica.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchMacaé, BrazilHQ recorded Sep 16, 20261-103 contacts →

Exact match

“Offshore and Onshore Solutions.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 23 of 80 deepwater drilling contractors based in Brazil

See the full list, filter by size, metro and specialty, and access 1,580 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Deepwater drilling contractors based in Brazil at a glance

As of Sep 16, 2026
13.3%Verified-email coverage
148.7Average contacts per company
11-50Median size (employees)
36.2%Largest-city concentration · Rio De Janeiro
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
26
51-200
13
201-500
12
501-1,000
7
1,001-5,000
5

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 80 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 “deepwater drilling 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 1,580 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 September 16, 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 “deepwater drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many deepwater drilling contractors are there based in Brazil?

RevenueBase identified 80 company matches for deepwater drilling contractors associated with Brazil as of September 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 deepwater drilling contractors?

Rio De Janeiro leads with 29 company records, followed by Macae (13) and Rio Das Ostras (3).

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 1,580 professional contacts with verified work emails tracked across these 80 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 September 16, 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.