Company lists · Data verified August 2026
Top 10 Oil and gas companies in Brazil
This directory contains 51 oil and gas companies in Brazil, with company information covering 1,769 contacts and 212 email addresses. Rio De Janeiro is the single most-represented city among the listed companies, and the directory was published or updated in August 2026.
Oil and gas companies explore for, extract, process, transport, store, refine, or market crude oil, natural gas, and related petroleum products. This list covers companies primarily engaged in oil and gas exploration, production, processing, transportation, storage, refining, marketing, or related operations. Ranked by team size, largest first. Data current as of August 28, 2026.
The 10 largest oil and gas companies in Brazil
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  3r Petroleum | 146 |
| 2 |  OGX OIL And GAS | 7 |
| 3 |  Fatima DO SUL Agro-Energetica S A | 1 |
| 4 |  Equatorial Energia Maranhão | 24 |
| 5 |  DAX OIL Refino S.A | 11 |
| 6 | Perbras Empresa Brasileira DE Perfuracoes | 1 |
| 7 | Petrosynergy | 2 |
| 8 | Linhares Geração S.A | 14 |
| 9 | Brazao Lubrificantes | 1 |
| 10 |  VIX Energia | 2 |
| 11 | Thome Petroleo Assessoria Empresarial | 1 |
| 12 |  Gsteer Energy Solutions | 1 |
| 13 |  BS | 1 |
Showing 10 of 51 oil and gas companies in Brazil
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Oil and gas companies in Brazil at a glance
As of Aug 28, 2026Companies by employee count
Companies by metro
| Metro | Companies |
|---|---|
| Oil and gas companies in Rio De Janeiro | 7 |
| Oil and gas companies in Sao Paulo | 5 |
| Oil and gas companies in Franca | 2 |
| Oil and gas companies in Salvador | 2 |
| Oil and gas companies in Macae | 2 |
| Oil and gas companies in Lauro De Freitas | 1 |
| Oil and gas companies in Aracaju | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “oil and gas companies”, with match quality audited by blind human judging, and headquartered in Brazil.
- 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
- Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many oil and gas companies are in the directory?
The directory contains 51 oil and gas companies in Brazil.
Where are the listed oil and gas companies located?
The list covers oil and gas companies in Brazil. Rio De Janeiro is the single most-represented city among the listed companies.
How can I find contacts at oil and gas companies?
The directory includes 1,769 contacts and 212 email addresses for the listed oil and gas companies.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.