Company lists · Data refreshed November 2026
Top 25 Oil refinery contractors based in Brazil
RevenueBase identified 431 company matches for oil refinery contractors associated with Brazil as of November 2026 and tracks 36,403 professional contacts across them, including 3,399 with verified work emails. Sao Paulo is the largest hub.
This list covers company matches for oil refinery 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 November 6, 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 25 largest oil refinery contractors based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,135 contacts → | ||||
Exact match “Somos a CBSI!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 3,894 contacts → | ||||
Exact match “The Company operates in sundry markets, taking the lead in such sectors as oil & gas production and processing, petrochemicals, power generation, steel production, paper & pulp…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,955 contacts → | ||||
Exact match “Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,675 contacts → | ||||
Exact match “O Grupo NPE oferece serviços de manutenção industrial, montagem eletromecânica, locações de equipamentos e fabricação industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 2,431 contacts → | ||||
Exact match “Fundada em 1971, a Montcalm tem como missão, oferecer soluções de engenharia construtiva para implantação, ampliação e manutenção de indústrias de processos, sempre com o…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 2,045 contacts → | ||||
Exact match “No mercado há mais de duas décadas, a Axia é uma empresa nacional com atuação em operação e manutenção industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,223 contacts → | ||||
Exact match “Inaugurada em 1954, a Refit nasceu para ajudar o Brasil a escrever sua história de sucesso no mercado de petróleo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1,209 contacts → | ||||
Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 1,164 contacts → | ||||
Exact match “No mercado desde 2007, atuamos em todo território nacional com foco no segmento industrial e na construção de parcerias a longo prazo, oferecendo diversos tipos de soluções e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 1,049 contacts → | ||||
Exact match “No mercado desde 1994, somos uma empresa que oferece soluções integradas de engenharia nas áreas de manutenção, construção e montagem eletromecânica e serviços especializados de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 824 contacts → | ||||
Exact match “Desde 2005 a C3 Engenharia é atuante nos segmentos de Paradas de Manutenção, Manutenção de Rotina, Construção e Montagem e Inspeção industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 812 contacts → | ||||
Exact match “Techocean is a supplier of engineering services focused on the oil & gas industry, creating solutions for steel fabrications as Platforms, Piping Lines, Several Structures and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 601 contacts → | ||||
Exact match “Fundada em outubro de 1984, a C.S.E.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 467 contacts → | ||||
Exact match “Fundada em 1992, a ITAYÁ vem construindo uma imagem de excelência, idoneidade e competência no segmento de Manutenção e Montagem Industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 440 contacts → | ||||
Exact match “A Norteng Engenharia destaca-se por sua trajetória de competência e responsabilidade, na realização de empreendimentos em todo território nacional.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 388 contacts → | ||||
Exact match “A Sartori Serviços LTDA é uma empresa que atua no mercado de Fabricação, Montagem e Manutenção Mecânica em complexos Industriais.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 255 contacts → | ||||
Exact match “Uma empresa de engenharia, focada na especialização, diferenciação e constante treinamento na prestação de serviços, para atender as mais profundas necessidades e particularidades…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 254 contacts → | ||||
Exact match “Primeira refinaria de petróleo do Brasil, a Refinaria de Petróleo Riograndense opera desde 1937, com pioneirismo, comprometimento social e excelência na produção de combustíveis e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 212 contacts → | ||||
Exact match “Empresa Nacional fundada em 2009, a Flex Montagem Eletromecânica e Manutenção Industrial LTDA, iniciou as atividades em um pequeno galpão de 500 m² através da iniciativa…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 199 contacts → | ||||
Exact match “Fundada em 2002, a MACSEAL SERVICE LTDA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 161 contacts → | ||||
Exact match “Mazza Engenharia Ltda is a company based out of Brazil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 130 contacts → | ||||
Exact match “Construir com Excelência!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 127 contacts → | ||||
Exact match “Criada em 2002 para atuar nacionalmente, a GP iniciou suas atividades no mercado de O&G, Petroquímica e Química, atuando em serviços multidisciplinares de engenharia de projetos…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 120 contacts → | ||||
Exact match “A AJS INDÚSTRIA E SERVIÇOS é uma empresa especializada em fabricação, montagem e manuteção indústrial, com sede em Sapucaia do Sul, região metropolitana de Porto Alegre.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 117 contacts → | ||||
Exact match “Com sede em Curitiba (PR), a POSSEBON iniciou suas atividades em 31 de julho de 1981, na área de engenharia civil.” Recorded in the RevenueBase company graph · Nov 6, 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 refinery 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 25 of 431 oil refinery contractors based in Brazil
See the full list, filter by size, metro and specialty, and access 3,399 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil refinery contractors based in Brazil at a glance
As of Nov 6, 2026Companies by employee count
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 431 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 “oil refinery 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 3,399 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 6, 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 “oil refinery contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil refinery contractors are there based in Brazil?
RevenueBase identified 431 company matches for oil refinery contractors associated with 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?
CBSI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most oil refinery contractors?
Sao Paulo leads with 31 company records, followed by Rio De Janeiro (30) and Macae (15).
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 3,399 professional contacts with verified work emails tracked across these 431 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 431 oil refinery contractors based in 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.
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Company intelligence · public preview
Top 25 oil refinery contractors based in Brazil
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 431 matching company records for oil refinery contractors based in Brazil, with 36,403 tracked contacts and 3,399 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 25 oil refinery contractors based in 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 |  CBSIcbsi.com.brHQ: Volta Redonda, BrazilReported employees: 10001+ | Volta Redonda, Brazil | 10001+ | Exact match | 4,135 contacts → |
“Somos a CBSI!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  UTC Engenhariautc.com.brHQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 3,894 contacts → |
“The Company operates in sundry markets, taking the lead in such sectors as oil & gas production and processing, petrochemicals, power generation, steel production, paper & pulp…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Estruturalestruturalrs.com.brHQ: Porto Alegre, BrazilReported employees: 1,001-5,000 | Porto Alegre, Brazil | 1,001-5,000 | Exact match | 2,955 contacts → |
“Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Grupo NPEnpegroup.com.brHQ: Sao Paulo, BrazilReported employees: 5,001-10,000 | Sao Paulo, Brazil | 5,001-10,000 | Exact match | 2,675 contacts → |
“O Grupo NPE oferece serviços de manutenção industrial, montagem eletromecânica, locações de equipamentos e fabricação industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Montcalm Montagens Industriaismontcalm.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 2,431 contacts → |
“Fundada em 1971, a Montcalm tem como missão, oferecer soluções de engenharia construtiva para implantação, ampliação e manutenção de indústrias de processos, sempre com o…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ELFEelfe.com.brHQ: Macaé, BrazilReported employees: 1,001-5,000 | Macaé, Brazil | 1,001-5,000 | Exact match | 2,045 contacts → |
“No mercado há mais de duas décadas, a Axia é uma empresa nacional com atuação em operação e manutenção industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  REFITrefit.com.brHQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 1,223 contacts → |
“Inaugurada em 1954, a Refit nasceu para ajudar o Brasil a escrever sua história de sucesso no mercado de petróleo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Irmãos Passaúra S Apassaura.com.brHQ: Curitiba, BrazilReported employees: 1,001-5,000 | Curitiba, Brazil | 1,001-5,000 | Exact match | 1,209 contacts → |
“Empresa de Montagem e Manutenção Industrial” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Engeko Engenharia E Construção Ltdaengeko.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 1,164 contacts → |
“No mercado desde 2007, atuamos em todo território nacional com foco no segmento industrial e na construção de parcerias a longo prazo, oferecendo diversos tipos de soluções e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  MKS Soluções Integradas S.Amkssolucoes.com.brHQ: Camaçari, BrazilReported employees: 501-1,000 | Camaçari, Brazil | 501-1,000 | Exact match | 1,049 contacts → |
“No mercado desde 1994, somos uma empresa que oferece soluções integradas de engenharia nas áreas de manutenção, construção e montagem eletromecânica e serviços especializados de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  C3 Engenharia & Soluçõesc3engenharia.com.brHQ: Lauro De Freitas, BrazilReported employees: 5,001-10,000 | Lauro De Freitas, Brazil | 5,001-10,000 | Exact match | 824 contacts → |
“Desde 2005 a C3 Engenharia é atuante nos segmentos de Paradas de Manutenção, Manutenção de Rotina, Construção e Montagem e Inspeção industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Techocean Engineering Solutionstech-aasj.com.brHQ: Macaé, BrazilReported employees: 501-1,000 | Macaé, Brazil | 501-1,000 | Exact match | 812 contacts → |
“Techocean is a supplier of engineering services focused on the oil & gas industry, creating solutions for steel fabrications as Platforms, Piping Lines, Several Structures and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  C.S.E. Mecanica E Instrumentação SAcsemil.com.brHQ: Rio Das Ostras, BrazilReported employees: 501-1,000 | Rio Das Ostras, Brazil | 501-1,000 | Exact match | 601 contacts → |
“Fundada em outubro de 1984, a C.S.E.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Sorocaba, BrazilReported employees: 501-1,000 | Sorocaba, Brazil | 501-1,000 | Exact match | 467 contacts → |
“Fundada em 1992, a ITAYÁ vem construindo uma imagem de excelência, idoneidade e competência no segmento de Manutenção e Montagem Industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Norteng Engenharianorteng.com.brHQ: São Gonçalo Do Amarante, BrazilReported employees: 501-1,000 | São Gonçalo Do Amarante, Brazil | 501-1,000 | Exact match | 440 contacts → |
“A Norteng Engenharia destaca-se por sua trajetória de competência e responsabilidade, na realização de empreendimentos em todo território nacional.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sartori Serviçossartoriservicos.com.br HQ: Joao Monlevade, BrazilReported employees: 501-1,000 | Joao Monlevade, Brazil | 501-1,000 | Exact match | 388 contacts → |
“A Sartori Serviços LTDA é uma empresa que atua no mercado de Fabricação, Montagem e Manutenção Mecânica em complexos Industriais.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fancold Servicefancold.com.brHQ: São Bernardo Do Campo, BrazilReported employees: 201-500 | São Bernardo Do Campo, Brazil | 201-500 | Exact match | 255 contacts → |
“Uma empresa de engenharia, focada na especialização, diferenciação e constante treinamento na prestação de serviços, para atender as mais profundas necessidades e particularidades…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Refinaria Riograndenserefinariariograndense.com.brHQ: Rio Grande, BrazilReported employees: 201-500 | Rio Grande, Brazil | 201-500 | Exact match | 254 contacts → |
“Primeira refinaria de petróleo do Brasil, a Refinaria de Petróleo Riograndense opera desde 1937, com pioneirismo, comprometimento social e excelência na produção de combustíveis e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Flex Montagem Eletromecânica E Manutenção Industrial Ltdaflexmanutencao.com.brHQ: Curitiba, BrazilReported employees: 51-200 | Curitiba, Brazil | 51-200 | Exact match | 212 contacts → |
“Empresa Nacional fundada em 2009, a Flex Montagem Eletromecânica e Manutenção Industrial LTDA, iniciou as atividades em um pequeno galpão de 500 m² através da iniciativa…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Macseal Service Ltdamacseal.com.brHQ: Rio Das Ostras, BrazilReported employees: Not recorded | Rio Das Ostras, Brazil | Not recorded | Exact match | 199 contacts → |
“Fundada em 2002, a MACSEAL SERVICE LTDA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Mazza Engenharia Ltdamazzaengenharia.com.brHQ: Itabuna, BrazilReported employees: 1,001-5,000 | Itabuna, Brazil | 1,001-5,000 | Exact match | 161 contacts → |
“Mazza Engenharia Ltda is a company based out of Brazil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Scala Engenhariascalaconstrutora.com.brHQ: Chapecó, BrazilReported employees: 201-500 | Chapecó, Brazil | 201-500 | Exact match | 130 contacts → |
“Construir com Excelência!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  GP Consultoria E Engenharia Ltdagpce.com.brHQ: Salvador, BrazilReported employees: 51-200 | Salvador, Brazil | 51-200 | Exact match | 127 contacts → |
“Criada em 2002 para atuar nacionalmente, a GP iniciou suas atividades no mercado de O&G, Petroquímica e Química, atuando em serviços multidisciplinares de engenharia de projetos…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  AJS Indústria E Serviçosajs.eng.brHQ: Sapucaia Do Sul, BrazilReported employees: 51-200 | Sapucaia Do Sul, Brazil | 51-200 | Exact match | 120 contacts → |
“A AJS INDÚSTRIA E SERVIÇOS é uma empresa especializada em fabricação, montagem e manuteção indústrial, com sede em Sapucaia do Sul, região metropolitana de Porto Alegre.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Possebon Engenharia E Serviçospossebon.com.brHQ: Curitiba, BrazilReported employees: 51-200 | Curitiba, Brazil | 51-200 | Exact match | 117 contacts → |
“Com sede em Curitiba (PR), a POSSEBON iniciou suas atividades em 31 de julho de 1981, na área de engenharia civil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 431 company matches
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Oil refinery contractors: dataset insights
November 6, 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
426 records in the displayed employee bands.
5 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 worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 431 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 6, 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 oil refinery 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 oil refinery contractors did RevenueBase find based in Brazil?
The saved snapshot records 431 matching company records, 36,403 tracked contacts and 3,399 verified emails. The public preview displays 25 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 6, 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 refinery contractors by geography
- Oil refinery contractors based in Calgary, Canada
- Oil refinery contractors based in Mumbai, India
- Oil refinery contractors based in Tehran, Iran
- Oil refinery contractors based in Dammam, Saudi Arabia
- Oil refinery contractors based in Jubail, Saudi Arabia
- Oil refinery contractors based in Singapore, Singapore
- Oil refinery contractors based in Abu Dhabi, United Arab Emirates
- Oil refinery contractors based in Dubai, United Arab Emirates
- Oil refinery contractors based in Houston, United States
- Oil refinery contractors based in Argentina
- Oil refinery contractors based in Australia
- Oil refinery contractors based in Bahrain
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 oil refinery contractors based in Brazil. Snapshot: November 6, 2026. https://revenuebase.ai/companies/oil-refinery-contractors/brazil.
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 refinery contractors based in Calgary, Canada
- Oil refinery contractors based in Mumbai, India
- Oil refinery contractors based in Tehran, Iran
- Oil refinery contractors based in Dammam, Saudi Arabia
- Oil refinery contractors based in Jubail, Saudi Arabia
- Oil refinery contractors based in Singapore, Singapore
Company intelligence · public preview
Top 25 oil refinery contractors based in Brazil
RevenueBase records 431 matching company records for oil refinery contractors based in Brazil, with 36,403 tracked contacts and 3,399 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 25 oil refinery contractors based in 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 | CBSIcbsi.com.br HQ: Volta Redonda, BrazilReported employees: 10001+ | Volta Redonda, Brazil | 10001+ | Exact match | 4,135 contacts → |
“Somos a CBSI!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | UTC Engenhariautc.com.br HQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 3,894 contacts → |
“The Company operates in sundry markets, taking the lead in such sectors as oil & gas production and processing, petrochemicals, power generation, steel production, paper & pulp…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Estruturalestruturalrs.com.br HQ: Porto Alegre, BrazilReported employees: 1,001-5,000 | Porto Alegre, Brazil | 1,001-5,000 | Exact match | 2,955 contacts → |
“Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Grupo NPEnpegroup.com.br HQ: Sao Paulo, BrazilReported employees: 5,001-10,000 | Sao Paulo, Brazil | 5,001-10,000 | Exact match | 2,675 contacts → |
“O Grupo NPE oferece serviços de manutenção industrial, montagem eletromecânica, locações de equipamentos e fabricação industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Montcalm Montagens Industriaismontcalm.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 2,431 contacts → |
“Fundada em 1971, a Montcalm tem como missão, oferecer soluções de engenharia construtiva para implantação, ampliação e manutenção de indústrias de processos, sempre com o…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ELFEelfe.com.br HQ: Macaé, BrazilReported employees: 1,001-5,000 | Macaé, Brazil | 1,001-5,000 | Exact match | 2,045 contacts → |
“No mercado há mais de duas décadas, a Axia é uma empresa nacional com atuação em operação e manutenção industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | REFITrefit.com.br HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 1,223 contacts → |
“Inaugurada em 1954, a Refit nasceu para ajudar o Brasil a escrever sua história de sucesso no mercado de petróleo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Irmãos Passaúra S Apassaura.com.br HQ: Curitiba, BrazilReported employees: 1,001-5,000 | Curitiba, Brazil | 1,001-5,000 | Exact match | 1,209 contacts → |
“Empresa de Montagem e Manutenção Industrial” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Engeko Engenharia E Construção Ltdaengeko.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 1,164 contacts → |
“No mercado desde 2007, atuamos em todo território nacional com foco no segmento industrial e na construção de parcerias a longo prazo, oferecendo diversos tipos de soluções e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | MKS Soluções Integradas S.Amkssolucoes.com.br HQ: Camaçari, BrazilReported employees: 501-1,000 | Camaçari, Brazil | 501-1,000 | Exact match | 1,049 contacts → |
“No mercado desde 1994, somos uma empresa que oferece soluções integradas de engenharia nas áreas de manutenção, construção e montagem eletromecânica e serviços especializados de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | C3 Engenharia & Soluçõesc3engenharia.com.br HQ: Lauro De Freitas, BrazilReported employees: 5,001-10,000 | Lauro De Freitas, Brazil | 5,001-10,000 | Exact match | 824 contacts → |
“Desde 2005 a C3 Engenharia é atuante nos segmentos de Paradas de Manutenção, Manutenção de Rotina, Construção e Montagem e Inspeção industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Techocean Engineering Solutionstech-aasj.com.br HQ: Macaé, BrazilReported employees: 501-1,000 | Macaé, Brazil | 501-1,000 | Exact match | 812 contacts → |
“Techocean is a supplier of engineering services focused on the oil & gas industry, creating solutions for steel fabrications as Platforms, Piping Lines, Several Structures and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | C.S.E. Mecanica E Instrumentação SAcsemil.com.br HQ: Rio Das Ostras, BrazilReported employees: 501-1,000 | Rio Das Ostras, Brazil | 501-1,000 | Exact match | 601 contacts → |
“Fundada em outubro de 1984, a C.S.E.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Sorocaba, BrazilReported employees: 501-1,000 | Sorocaba, Brazil | 501-1,000 | Exact match | 467 contacts → |
“Fundada em 1992, a ITAYÁ vem construindo uma imagem de excelência, idoneidade e competência no segmento de Manutenção e Montagem Industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Norteng Engenharianorteng.com.br HQ: São Gonçalo Do Amarante, BrazilReported employees: 501-1,000 | São Gonçalo Do Amarante, Brazil | 501-1,000 | Exact match | 440 contacts → |
“A Norteng Engenharia destaca-se por sua trajetória de competência e responsabilidade, na realização de empreendimentos em todo território nacional.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sartori Serviçossartoriservicos.com.br HQ: Joao Monlevade, BrazilReported employees: 501-1,000 | Joao Monlevade, Brazil | 501-1,000 | Exact match | 388 contacts → |
“A Sartori Serviços LTDA é uma empresa que atua no mercado de Fabricação, Montagem e Manutenção Mecânica em complexos Industriais.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fancold Servicefancold.com.br HQ: São Bernardo Do Campo, BrazilReported employees: 201-500 | São Bernardo Do Campo, Brazil | 201-500 | Exact match | 255 contacts → |
“Uma empresa de engenharia, focada na especialização, diferenciação e constante treinamento na prestação de serviços, para atender as mais profundas necessidades e particularidades…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Refinaria Riograndenserefinariariograndense.com.br HQ: Rio Grande, BrazilReported employees: 201-500 | Rio Grande, Brazil | 201-500 | Exact match | 254 contacts → |
“Primeira refinaria de petróleo do Brasil, a Refinaria de Petróleo Riograndense opera desde 1937, com pioneirismo, comprometimento social e excelência na produção de combustíveis e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Flex Montagem Eletromecânica E Manutenção Industrial Ltdaflexmanutencao.com.br HQ: Curitiba, BrazilReported employees: 51-200 | Curitiba, Brazil | 51-200 | Exact match | 212 contacts → |
“Empresa Nacional fundada em 2009, a Flex Montagem Eletromecânica e Manutenção Industrial LTDA, iniciou as atividades em um pequeno galpão de 500 m² através da iniciativa…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Macseal Service Ltdamacseal.com.br HQ: Rio Das Ostras, BrazilReported employees: Not recorded | Rio Das Ostras, Brazil | Not recorded | Exact match | 199 contacts → |
“Fundada em 2002, a MACSEAL SERVICE LTDA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mazza Engenharia Ltdamazzaengenharia.com.br HQ: Itabuna, BrazilReported employees: 1,001-5,000 | Itabuna, Brazil | 1,001-5,000 | Exact match | 161 contacts → |
“Mazza Engenharia Ltda is a company based out of Brazil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Scala Engenhariascalaconstrutora.com.br HQ: Chapecó, BrazilReported employees: 201-500 | Chapecó, Brazil | 201-500 | Exact match | 130 contacts → |
“Construir com Excelência!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | GP Consultoria E Engenharia Ltdagpce.com.br HQ: Salvador, BrazilReported employees: 51-200 | Salvador, Brazil | 51-200 | Exact match | 127 contacts → |
“Criada em 2002 para atuar nacionalmente, a GP iniciou suas atividades no mercado de O&G, Petroquímica e Química, atuando em serviços multidisciplinares de engenharia de projetos…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AJS Indústria E Serviçosajs.eng.br HQ: Sapucaia Do Sul, BrazilReported employees: 51-200 | Sapucaia Do Sul, Brazil | 51-200 | Exact match | 120 contacts → |
“A AJS INDÚSTRIA E SERVIÇOS é uma empresa especializada em fabricação, montagem e manuteção indústrial, com sede em Sapucaia do Sul, região metropolitana de Porto Alegre.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Possebon Engenharia E Serviçospossebon.com.br HQ: Curitiba, BrazilReported employees: 51-200 | Curitiba, Brazil | 51-200 | Exact match | 117 contacts → |
“Com sede em Curitiba (PR), a POSSEBON iniciou suas atividades em 31 de julho de 1981, na área de engenharia civil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 431 company matches
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Oil refinery contractors: dataset insights
November 6, 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
426 records in the displayed employee bands.
5 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 worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 431 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 6, 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 oil refinery 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 oil refinery contractors did RevenueBase find based in Brazil?
The saved snapshot records 431 matching company records, 36,403 tracked contacts and 3,399 verified emails. The public preview displays 25 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 6, 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 refinery contractors by geography
- Oil refinery contractors based in Calgary, Canada
- Oil refinery contractors based in Mumbai, India
- Oil refinery contractors based in Tehran, Iran
- Oil refinery contractors based in Dammam, Saudi Arabia
- Oil refinery contractors based in Jubail, Saudi Arabia
- Oil refinery contractors based in Singapore, Singapore
- Oil refinery contractors based in Abu Dhabi, United Arab Emirates
- Oil refinery contractors based in Dubai, United Arab Emirates
- Oil refinery contractors based in Houston, United States
- Oil refinery contractors based in Argentina
- Oil refinery contractors based in Australia
- Oil refinery contractors based in Bahrain
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 oil refinery contractors based in Brazil. Snapshot: November 6, 2026. https://revenuebase.ai/companies/oil-refinery-contractors/brazil.
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 refinery contractors based in Calgary, Canada
- Oil refinery contractors based in Mumbai, India
- Oil refinery contractors based in Tehran, Iran
- Oil refinery contractors based in Dammam, Saudi Arabia
- Oil refinery contractors based in Jubail, Saudi Arabia
- Oil refinery contractors based in Singapore, Singapore