Company lists · Data refreshed October 2026

Top 25 Oil, gas & petroleum engineering services based in Rio De Janeiro, Brazil

Name: Oil, gas & petroleum engineering services based in Rio De Janeiro, Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 228 companies tracked

RevenueBase identified 228 company matches for oil, gas & petroleum engineering services associated with Rio De Janeiro, Brazil as of October 2026 and tracks 12,756 professional contacts across them, including 1,396 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (298 companies); Rio De Janeiro follows with 228.

This list covers company matches for oil, gas & petroleum engineering services 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 28, 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 Oct 28, 2026 How this list was built

228Companies

12,756Contacts tracked

1,396Verified emails

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The 25 largest oil, gas & petroleum engineering services based in Rio De Janeiro, Brazil

Ranked by team size

Top 25 of 228 company matches for oil, gas & petroleum engineering services based in Rio De Janeiro, Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Priner	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	5,001-10,000	3,003 contacts →
	Exact match “Há mais de 40 anos, a Priner se destaca no setor de engenharia industrial e infraestrutura, oferecendo soluções com excelência técnica, seguras e eficientes.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	OCYAN	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	1,001-5,000	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 28, 2026 · View company records in RevenueBase
3	Forship	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	501-1,000	842 contacts →
	Exact match “Forship offers specialized engineering services and integrated solutions for industrial assets across sectors such as Oil & Gas (Onshore and Offshore), Petrochemical…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	CTA Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	201-500	665 contacts →
	Exact match “A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	Sandech	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	201-500	393 contacts →
	Exact match “SANDECH is an Engineering and Management Consulting company founded in February 2008 in Rio de Janeiro by three Engineers graduated in Chemical and Mechanical Engineering at…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Iesa Óleo & GÁS S A	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	1,001-5,000	272 contacts →
	Exact match “A IESA Óleo & Gás S/A é uma empresa brasileira voltada à implantação de empreendimentos no mercado de petróleo.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Planave S.A.	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	501-1,000	234 contacts →
	Exact match “Empresa atua em Engenharia Consultiva, na execução de estudos, projetos e acompanhamento de obras.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8	Construtora Colares Linhares	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	501-1,000	231 contacts →
	Exact match “Construtora Colares Linhares is a civil engineering company based out of R Da Ajuda, 35, Andar Salao 1401, Rio De Janeiro, Rio De Janeiro, Brazil.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Rpeotta	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	51-200	184 contacts →
	Exact match “A RPEOTTA tem por objetivo a prestação de serviços pautados no compromisso com a excelência em engenharia consultiva em Projetos (Conceitual, Básica e Detalhada), estudo e…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	DBR Energies	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	201-500	163 contacts →
	Exact match “Soluções em engenharia offshore e onshore” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	Marte Engenharia Ltda	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	1,001-5,000	158 contacts →
	Exact match “A Marte Engenharia Ltda é uma empresa de engenharia que oferece serviços de consultoria e projetos de engenharia nas áreas de geração, transmissão e distribuição de energia…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	PCE Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	501-1,000	152 contacts →
	Exact match “A PCE está apta a atuar numa ampla faixa de especialidades de engenharia, nos mais variados níveis de desenvolvimento de estudos e projetos, para as mais diversas finalidades…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	Petroserv S.A	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	11-50	104 contacts →
	Exact match “PETROSERV was founded in 1972.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Consulpri Consultoria E Projetos Ltda	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	51-200	85 contacts →
	Exact match “Consulpri Consultoria E Projetos is a engineering company based out of Av Rio Branco, 143, Salas 1101, Rio De Janeiro, Rj, Brazil.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	Geoprojetos Engenharia Ltda	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	51-200	73 contacts →
	Exact match “A Geoprojetos é uma empresa especializada em Geotecnia que tem sua história construída ao longo quase 40 anos de experiência onde tem acumulado um vasto acervo técnico com a…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	Projeflex Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	11-50	68 contacts →
	Exact match “Empresa brasileira constituída em 2006 com o intuito de atender às necessidades do mercado industrial brasileiro, a PROJEFLEX está no mercado para fornecer aos seus clientes…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	Geomecânica S.A	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	51-200	67 contacts →
	Exact match “Com mais de 50 anos de experiência no mercado, a Geomecânica consolidou-se como referência em engenharia civil e geotecnia, oferecendo soluções integradas para projetos de…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	NSG Engineering	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	51-200	61 contacts →
	Exact match “Big challenges.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Transcontrol Offshore	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	51-200	43 contacts →
	Exact match “Somos uma empresa especializada em soluções completas para a indústria de óleo e gás.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	Intcom Solutions	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	11-50	37 contacts →
	Exact match “A company that brings EXPERIENCE, CREATIVITY and COMMITMENT!” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Tekee Engineering And Services	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	11-50	36 contacts →
	Exact match “TEKee offers intelligent engineering solutions with a focus on providing a high level of customer satisfaction.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Toveri Gerenciamento DE Projetos Integrados	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	n/a	36 contacts →
	Exact match “Somos uma consultoria especializada para a Exploração e Produção de Petróleo e Gás e outros setores no Brasil.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	ECP Environmental Solutions	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	11-50	35 contacts →
	Exact match “Somos uma empresa de engenharia ambiental que presta serviços de consultoria para empreendimentos em geral, construção civil e indústrias.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	Graf Infra Consulting	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	11-50	34 contacts →
	Exact match “Somos uma empresa de consultoria técnica e estratégica, liderando projetos de infraestrutura para empresas públicas e privadas em diversos setores: energia, ferroviário…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25	Geogin	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	11-50	20 contacts →
	Exact match “Geogin provides software and consulting solutions for E&P companies.” Recorded in the RevenueBase company graph · Oct 28, 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 “oil, gas & petroleum engineering services”. 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 228 oil, gas & petroleum engineering services based in Rio De Janeiro, Brazil

See the full list, filter by size, metro and specialty, and access 1,396 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil, gas & petroleum engineering services based in Rio De Janeiro, Brazil at a glance

As of Oct 28, 2026

10.9%Verified-email coverage

55.9Average contacts per company

11-50Median size (employees)

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

106

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 228 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 “oil, gas & petroleum engineering services” 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 1,396 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 28, 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.

Oil, gas & petroleum engineering services by metro in Brazil

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 “oil, gas & petroleum engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil, gas & petroleum engineering services are there based in Rio De Janeiro, Brazil?

RevenueBase identified 228 company matches for oil, gas & petroleum engineering services 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?

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

Which city in Brazil has the most oil, gas & petroleum engineering services?

Sao Paulo leads Brazil with 298 company records, followed by Rio De Janeiro (228) and Belo Horizonte (161).

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 1,396 professional contacts with verified work emails tracked across these 228 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 28, 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.