Company lists · Data refreshed November 2026
Top 24 Oil and gas engineering firms based in Rio De Janeiro, Brazil
RevenueBase identified 232 company matches for oil and gas engineering firms associated with Rio De Janeiro, Brazil as of November 2026 and tracks 15,896 professional contacts across them, including 3,046 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (342 companies); Rio De Janeiro follows with 232.
This list covers company matches for oil and gas engineering firms 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 November 4, 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 24 largest oil and gas engineering firms based in Rio De Janeiro, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,402 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 4, 2026 · View company records in RevenueBase | |||||
| 2 | 2,017 contacts → | ||||
Exact match “A Araujo Abreu foi fundada em 1922.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 249 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 4 | 239 contacts → | ||||
Exact match “Empresa atua em Engenharia Consultiva, na execução de estudos, projetos e acompanhamento de obras.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 5 | 187 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 6 | 164 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 7 | 155 contacts → | ||||
Exact match “A Oilequip Produtos e Serviços Ltda.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 8 | 155 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 9 | 149 contacts → | ||||
Exact match “Soluções em engenharia offshore e onshore” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 10 | 125 contacts → | ||||
Exact match “Missão: Atender os nossos clientes com tecnologia, flexibilidade, lealdade e eficiência no desenvolvimento dos serviços de engenharia elétrica Visão: Ser uma empresa reconhecida…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 11 | 109 contacts → | ||||
Exact match “PETROSERV was founded in 1972.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 12 | 98 contacts → | ||||
Exact match “We were recognized for our vision of partnership, our capacity to innovate, the importance attributed to the quality of our products and services and respect to safety and the…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 13 | 89 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 71 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 15 | 68 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 16 | 67 contacts → | ||||
Exact match “Big challenges.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 48 contacts → | ||||
Exact match “Somos uma empresa especializada em soluções completas para a indústria de óleo e gás.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 39 contacts → | ||||
Exact match “Fundada em 1991, a Petrolane tem como objetivo principal a produção, representação e comercialização de equipamentos de prospecção, produção e medição, de origem nacional e/ou…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 19 | 38 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 37 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 21 | 37 contacts → | ||||
Exact match “A company that brings EXPERIENCE, CREATIVITY and COMMITMENT!” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 22 | 35 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 · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 33 contacts → | ||||
Exact match “Fundada em 1981 a Belov Engenharia oferece a seus parceiros experiência nos mais diversos campos na Engenharia Portuária e Subaquática.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 24 | 21 contacts → | ||||
Exact match “Geogin provides software and consulting solutions for E&P companies.” Recorded in the RevenueBase company graph · Nov 4, 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 and gas engineering firms”. 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 24 of 232 oil and gas engineering firms based in Rio De Janeiro, Brazil
See the full list, filter by size, metro and specialty, and access 3,046 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil and gas engineering firms based in Rio De Janeiro, Brazil at a glance
As of Nov 4, 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 232 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 and gas engineering firms” 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 3,046 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 4, 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 and gas engineering firms by metro in Brazil
- Oil and gas engineering firms in Sao Paulo342
- Oil and gas engineering firms in Belo Horizonte152
- Oil and gas engineering firms in Curitiba99
- Oil and gas engineering firms in Campinas50
- Oil and gas engineering firms in Salvador49
- Oil and gas engineering firms in Porto Alegre43
- Oil and gas engineering firms in Recife34
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 and gas engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil and gas engineering firms are there based in Rio De Janeiro, Brazil?
RevenueBase identified 232 company matches for oil and gas engineering firms associated with Rio De Janeiro, 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 in Brazil has the most oil and gas engineering firms?
Sao Paulo leads Brazil with 342 company records, followed by Rio De Janeiro (232) and Belo Horizonte (152).
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 3,046 professional contacts with verified work emails tracked across these 232 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 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 232 oil and gas engineering firms based in Rio De Janeiro, Brazil. Start with a free account, no credit card.
Download this list →Related lists
Oil and gas engineering firms by geography
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- Oil and gas engineering firms based in Belo Horizonte, Brazil
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- Oil and gas engineering firms based in Curitiba, Brazil
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- Oil and gas engineering firms based in Recife, Brazil
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil and gas engineering firms based in Luanda, Angola
- Oil and gas engineering firms based in Buenos Aires, Argentina
- Oil and gas engineering firms based in Brisbane, Australia
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- Oil and gas engineering firms based in Perth, Australia
- Oil and gas engineering firms based in Sydney, Australia
Company intelligence · public preview
Top 24 oil and gas engineering firms 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 232 matching company records for oil and gas engineering firms based in Rio De Janeiro, Brazil, with 15,896 tracked contacts and 3,046 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 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 24 oil and gas engineering firms 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 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,402 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 · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,017 contacts → |
“A Araujo Abreu foi fundada em 1922.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 249 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 239 contacts → |
“Empresa atua em Engenharia Consultiva, na execução de estudos, projetos e acompanhamento de obras.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 187 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 164 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 155 contacts → |
“A Oilequip Produtos e Serviços Ltda.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 155 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 149 contacts → |
“Soluções em engenharia offshore e onshore” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 125 contacts → |
“Missão: Atender os nossos clientes com tecnologia, flexibilidade, lealdade e eficiência no desenvolvimento dos serviços de engenharia elétrica Visão: Ser uma empresa reconhecida…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 109 contacts → |
“PETROSERV was founded in 1972.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 98 contacts → |
“We were recognized for our vision of partnership, our capacity to innovate, the importance attributed to the quality of our products and services and respect to safety and the…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 89 contacts → |
“Consulpri Consultoria E Projetos is a engineering company based out of Av Rio Branco, 143, Salas 1101, Rio De Janeiro, Rj, Brazil.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 71 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 68 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 67 contacts → |
“Big challenges.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 48 contacts → |
“Somos uma empresa especializada em soluções completas para a indústria de óleo e gás.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 39 contacts → |
“Fundada em 1991, a Petrolane tem como objetivo principal a produção, representação e comercialização de equipamentos de prospecção, produção e medição, de origem nacional e/ou…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Rio De Janeiro, BrazilReported employees: Not recorded | Rio De Janeiro, Brazil | Not recorded | Exact match | 38 contacts → |
“Somos uma consultoria especializada para a Exploração e Produção de Petróleo e Gás e outros setores no Brasil.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 37 contacts → |
“TEKee offers intelligent engineering solutions with a focus on providing a high level of customer satisfaction.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 37 contacts → |
“A company that brings EXPERIENCE, CREATIVITY and COMMITMENT!” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 35 contacts → |
“Somos uma empresa de consultoria técnica e estratégica, liderando projetos de infraestrutura para empresas públicas e privadas em diversos setores: energia, ferroviário…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 33 contacts → |
“Fundada em 1981 a Belov Engenharia oferece a seus parceiros experiência nos mais diversos campos na Engenharia Portuária e Subaquática.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 21 contacts → |
“Geogin provides software and consulting solutions for E&P companies.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 232 company matches
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Oil and gas engineering firms: dataset insights
November 4, 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
232 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 232 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: November 4, 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 ↗
Oil and gas engineering firms by metro in Brazil
- Oil and gas engineering firms in Sao Paulo342
- Oil and gas engineering firms in Belo Horizonte152
- Oil and gas engineering firms in Curitiba99
- Oil and gas engineering firms in Campinas50
- Oil and gas engineering firms in Salvador49
- Oil and gas engineering firms in Porto Alegre43
- Oil and gas engineering firms in Recife34
Questions about this company list
What does Exact match mean for oil and gas engineering firms?
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 oil and gas engineering firms did RevenueBase find based in Rio De Janeiro, Brazil?
The saved snapshot records 232 matching company records, 15,896 tracked contacts and 3,046 verified emails. The public preview displays 24 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: November 4, 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
Oil and gas engineering firms by geography
- Oil and gas engineering firms based in Luanda, Angola
- Oil and gas engineering firms based in Buenos Aires, Argentina
- Oil and gas engineering firms based in Brisbane, Australia
- Oil and gas engineering firms based in Melbourne, Australia
- Oil and gas engineering firms based in Perth, Australia
- Oil and gas engineering firms based in Sydney, Australia
- Oil and gas engineering firms based in Baku, Azerbaijan
- Oil and gas engineering firms based in Belo Horizonte, Brazil
- Oil and gas engineering firms based in Campinas, Brazil
- Oil and gas engineering firms based in Curitiba, Brazil
- Oil and gas engineering firms based in Porto Alegre, Brazil
- Oil and gas engineering firms based in Recife, Brazil
Cite this list
RevenueBase Data Team. Top 24 oil and gas engineering firms based in Rio De Janeiro, Brazil. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-engineering-firms/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
- Oil and gas engineering firms based in Luanda, Angola
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Company intelligence · public preview
Top 24 oil and gas engineering firms based in Rio De Janeiro, Brazil
RevenueBase records 232 matching company records for oil and gas engineering firms based in Rio De Janeiro, Brazil, with 15,896 tracked contacts and 3,046 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 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 24 oil and gas engineering firms 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 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,402 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 · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,017 contacts → |
“A Araujo Abreu foi fundada em 1922.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 249 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 239 contacts → |
“Empresa atua em Engenharia Consultiva, na execução de estudos, projetos e acompanhamento de obras.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 187 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 164 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 155 contacts → |
“A Oilequip Produtos e Serviços Ltda.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 155 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 149 contacts → |
“Soluções em engenharia offshore e onshore” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 125 contacts → |
“Missão: Atender os nossos clientes com tecnologia, flexibilidade, lealdade e eficiência no desenvolvimento dos serviços de engenharia elétrica Visão: Ser uma empresa reconhecida…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 109 contacts → |
“PETROSERV was founded in 1972.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 98 contacts → |
“We were recognized for our vision of partnership, our capacity to innovate, the importance attributed to the quality of our products and services and respect to safety and the…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 89 contacts → |
“Consulpri Consultoria E Projetos is a engineering company based out of Av Rio Branco, 143, Salas 1101, Rio De Janeiro, Rj, Brazil.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 71 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 68 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 67 contacts → |
“Big challenges.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 48 contacts → |
“Somos uma empresa especializada em soluções completas para a indústria de óleo e gás.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 39 contacts → |
“Fundada em 1991, a Petrolane tem como objetivo principal a produção, representação e comercialização de equipamentos de prospecção, produção e medição, de origem nacional e/ou…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Rio De Janeiro, BrazilReported employees: Not recorded | Rio De Janeiro, Brazil | Not recorded | Exact match | 38 contacts → |
“Somos uma consultoria especializada para a Exploração e Produção de Petróleo e Gás e outros setores no Brasil.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 37 contacts → |
“TEKee offers intelligent engineering solutions with a focus on providing a high level of customer satisfaction.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 37 contacts → |
“A company that brings EXPERIENCE, CREATIVITY and COMMITMENT!” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 35 contacts → |
“Somos uma empresa de consultoria técnica e estratégica, liderando projetos de infraestrutura para empresas públicas e privadas em diversos setores: energia, ferroviário…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 33 contacts → |
“Fundada em 1981 a Belov Engenharia oferece a seus parceiros experiência nos mais diversos campos na Engenharia Portuária e Subaquática.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 21 contacts → |
“Geogin provides software and consulting solutions for E&P companies.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 232 company matches
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Oil and gas engineering firms: dataset insights
November 4, 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
232 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 232 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: November 4, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Oil and gas engineering firms by metro in Brazil
- Oil and gas engineering firms in Sao Paulo342
- Oil and gas engineering firms in Belo Horizonte152
- Oil and gas engineering firms in Curitiba99
- Oil and gas engineering firms in Campinas50
- Oil and gas engineering firms in Salvador49
- Oil and gas engineering firms in Porto Alegre43
- Oil and gas engineering firms in Recife34
Questions about this company list
What does Exact match mean for oil and gas engineering firms?
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 oil and gas engineering firms did RevenueBase find based in Rio De Janeiro, Brazil?
The saved snapshot records 232 matching company records, 15,896 tracked contacts and 3,046 verified emails. The public preview displays 24 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: November 4, 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 24 oil and gas engineering firms based in Rio De Janeiro, Brazil. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-engineering-firms/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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