Company lists · Data refreshed October 2026

Top 25 Oil, gas & petroleum engineering services based in Belo Horizonte, Brazil

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

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 161 companies tracked

RevenueBase identified 161 company matches for oil, gas & petroleum engineering services associated with Belo Horizonte, Brazil as of October 2026 and tracks 6,653 professional contacts across them, including 1,055 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (298 companies); Belo Horizonte has 161.

This list covers company matches for oil, gas & petroleum engineering services associated with Belo Horizonte, Brazil, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 28, 2026 How this list was built

161Companies

6,653Contacts tracked

1,055Verified emails

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The 25 largest oil, gas & petroleum engineering services based in Belo Horizonte, Brazil

Ranked by team size

Top 25 of 161 company matches for oil, gas & petroleum engineering services based in Belo Horizonte, Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Diefra Engenharia E Consultoria Ltda	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	1,001-5,000	1,041 contacts →
	Exact match “A Diefra é uma empresa multidisciplinar com maturidade técnica e consolidada formação profissional, resultado de uma postura empreendedora e proativa.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Telsan Engenharia E Serviços S A	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	1,001-5,000	772 contacts →
	Exact match “Em 26 de julho de 1995 foi criada a Telsan, uma empresa de engenharia consultiva que tem o orgulho de ter como missão principal a prestação de serviços diferenciados, visando à…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	ERG Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	201-500	480 contacts →
	Exact match “Empresa mineira, fundada em 1988, a ERG Engenharia mantém vivo o seu ideal de participar da construção de um mundo melhor e sustentável.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	VIA Networks Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	1,001-5,000	452 contacts →
	Exact match “A Via Networks é uma empresa mineira especializada na prestação de serviços de engenharia.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	BVP Geotecnia E Hidrotecnia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	201-500	318 contacts →
	Exact match “Somos a BVP Geotecnia e Hidrotecnia.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Draft Solutions Consultoria	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	201-500	286 contacts →
	Exact match “We are Draft Solutions, a Brazilian consulting engineering and technology services company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Walm BH Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	201-500	256 contacts →
	Exact match “Walm BH Engenharia is a company that operates in the areas of Geotechnical Engineering, Hydrology, Hydraulics, Hydrogeology, Engineering Geology, Rock Mechanics, and Environment &…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8	Cardan Engenharia E Construções S.A	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	1,001-5,000	254 contacts →
	Exact match “Destaque no cenário nacional, a Cardan Engenharia é reconhecida pela excelência na gestão e execução de obras civis de alta complexidade.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Brass Brasil	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	201-500	235 contacts →
	Exact match “Empresa de engenharia com ampla experiência em projetos industriais multidisciplinares, com ênfase em projetos de sistemas de transporte de fluidos e plantas de tratamento mineral.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Drawind Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	201-500	165 contacts →
	Exact match “A Drawind Engenharia de Projetos se constitui como uma empresa de soluções multidisciplinares, com experiência consolidada de mais de 20 anos em projetos industriais, com total…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	Hidrobr	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	163 contacts →
	Exact match “A HIDROBR é uma empresa focada em soluções de engenharia e nasceu com o objetivo de trazer uma atuação diferenciada ao mercado.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	Head5 Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	124 contacts →
	Exact match “Combinando a inteligência e experiência de seu corpo técnico, a HEAD5 nasceu buscando inovar a forma de construir e operar.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	ECM Projetos Industriais Ltda	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	201-500	115 contacts →
	Exact match “Founded in 1984, ECM is a consolidated engineering company with extensive experience in multidisciplinary industrial projects with an emphasis on the mineral sector.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Alfa Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	11-50	109 contacts →
	Exact match “A ALFA ENGENHARIA é uma empresa especializada em consultoria e projetos industriais de elétrica, instrumentação e automação.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	CAM Engenharia & Serviços	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	201-500	81 contacts →
	Exact match “A CAM ENGENHARIA foi fundada por Carlos Alberto Milagres Júnior e o ano era 2013.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	JF Brasil Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	11-50	70 contacts →
	Exact match “Somos uma empresa de consultoria, projetos e suporte em geotecnia, geologia, hidrologia e hidráulica.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	JM Souto Engenharia E Consultoria	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	67 contacts →
	Exact match “A JM Souto é uma empresa de engenharia e consultoria com larga experiência e credibilidade em suas áreas de atuação.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Tec3 Geotecnia E Recursos Hidricos	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	66 contacts →
	Exact match “A Tec3 é uma empresa de engenharia de projetos especializada em recursos hídricos e geotecnia aplicados aos setores de mineração, hidroenergia, óleo e gás.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Tecnoloc Locações	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	64 contacts →
	Exact match “A TECNOLOC é reconhecida por oferecer soluções técnicas arrojadas, equipamentos das melhores marcas mundiais e uma ampla rede de atendimento em todo o país.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	Tecnomin Projetos Industriais	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	47 contacts →
	Exact match “A Tecnomin foi fundada em 1985, inicialmente com o objetivo de prestar serviços de consultoria nas áreas de Economia e Engenharia Mineral.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	FERK	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	42 contacts →
	Exact match “Somos uma empresa prestadora de serviços de consultoria e engenharia, especializada em licenciamento, estudos técnicos e ambientais, execução de obras, laudos e projetos de…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Duxhead Specialized Engineering	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	42 contacts →
	Exact match “De forma resumida, o que é o mais importante para a indústria do ponto de visto de seu ativo?” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Geohydrotech Engenharia Ltda	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	11-50	39 contacts →
	Exact match “A GeoHydroTech sempre será uma empresa de consultoria e projetos que, pela qualificação de sua equipe e comprometimento com seus clientes, se mostrará à altura dos desafios que se…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	Senior Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	51-200	38 contacts →
	Exact match “A Senior Engenharia oferece soluções na área de engenharia elétrica, incorporando ainda soluções de automação, mecânica, civil e outras.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25	Spec Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	501-1,000	34 contacts →
	Exact match “Fundada em março de 1986, a SPEC PLANEJAMENTO, ENGENHARIA, CONSULTORIA LTDA.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “oil, gas & petroleum engineering services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 161 oil, gas & petroleum engineering services based in Belo Horizonte, Brazil

See the full list, filter by size, metro and specialty, and access 1,055 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil, gas & petroleum engineering services based in Belo Horizonte, Brazil at a glance

As of Oct 28, 2026

15.9%Verified-email coverage

41.3Average contacts per company

11-50Median size (employees)

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole Brazil list rather than for Belo Horizonte, so it is reported there. Company counts and contact totals on this page are exact for Belo Horizonte, over 161 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 Belo Horizonte, Brazil whose business descriptions match “oil, gas & petroleum engineering services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 1,055 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Oil, gas & petroleum engineering services by metro in Brazil

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “oil, gas & petroleum engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil, gas & petroleum engineering services are there based in Belo Horizonte, Brazil?

RevenueBase identified 161 company matches for oil, gas & petroleum engineering services associated with Belo Horizonte, Brazil as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Diefra Engenharia E Consultoria Ltda tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

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

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

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,055 professional contacts with verified work emails tracked across these 161 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.