Company lists · Data refreshed September 2026

Top 25 Geotechnical engineering staffing companies based in Brazil

Name: Geotechnical engineering staffing companies based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 1,404 companies tracked

RevenueBase identified 1,404 geotechnical engineering staffing companies headquartered in Brazil as of September 2026 and tracks 26,362 professional contacts across them, including 2,572 with verified work emails. Sao Paulo is the largest hub.

This list covers geotechnical engineering staffing companies headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

1,404Companies

26,362Contacts tracked

2,572Verified emails

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The 25 largest geotechnical engineering staffing companies based in Brazil

Ranked by team size

Top 25 of 1,404 geotechnical engineering staffing companies based in Brazil, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to geotechnical engineering staffing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Toniolo, Busnello SA	Indirect evidence	Porto Alegre, BrazilHQ checked Sep 28, 2026	1,001-5,000	1,271 contacts →
	Indirect evidence “A Toniolo, Busnello S.A.” Source: RevenueBase Database · checked Sep 28, 2026
2	Tecnosonda S A	Strong evidence	Rio De Janeiro, BrazilHQ checked Sep 28, 2026	1,001-5,000	862 contacts →
	Strong evidence “Tecnosonda is an engineering company founded in 1968, which operates in the areas of Geotechnics, Foundations, Civil Construction, Electromechanics, and Industrial Maintenance.” Source: RevenueBase Database · checked Sep 28, 2026
3	Sondotécnica Engenharia	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 28, 2026	201-500	588 contacts →
	Indirect evidence “Sondotécnica was founded in 1954.” Source: RevenueBase Database · checked Sep 28, 2026
4	Construtora Vale Verde S A	Indirect evidence	Itabira, BrazilHQ checked Sep 28, 2026	1,001-5,000	555 contacts →
	Indirect evidence “A Construtora Vale Verde é uma empresa inovadora que concentra a sua expertise na atuação em soluções para construção civil pesada com serviços de dragagem convencional e…” Source: RevenueBase Database · checked Sep 28, 2026
5	July Quartzo Transportes E Serviços	Indirect evidence	Amélia Rodrigues, BrazilHQ checked Sep 28, 2026	201-500	494 contacts →
	Indirect evidence “Há mais de 15 anos no mercado, a July Quartzo atua na prestação de serviços diversos de engenharia, atendendo em todo território nacional, tornando-se uma das maiores empresas da…” Source: RevenueBase Database · checked Sep 28, 2026
6	ERG Engenharia	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	201-500	477 contacts →
	Indirect evidence “Empresa mineira, fundada em 1988, a ERG Engenharia mantém vivo o seu ideal de participar da construção de um mundo melhor e sustentável.” Source: RevenueBase Database · checked Sep 28, 2026
7	Chammas Engenharia	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	201-500	418 contacts →
	Indirect evidence “A Chammas acredita que a engenharia aplicada com rigor e seriedade contribui para um mundo mais seguro e sustentável; Desenvolvemos soluções eficazes, combinando expertise humana…” Source: RevenueBase Database · checked Sep 28, 2026
8	Progeo Engenharia Ltda	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	501-1,000	400 contacts →
	Indirect evidence “Fundada em 1981, a empresa é focada na execução de serviços especiais de geologia, engenharia geotécnica e recuperação de estruturas.” Source: RevenueBase Database · checked Sep 28, 2026
9	Tecnogeo Ground	Indirect evidence	Cotia, BrazilHQ checked Sep 28, 2026	1,001-5,000	355 contacts →
	Indirect evidence “A Tecnogeo Ground é uma empresa brasileira, líder de mercado em serviços de Geotecnia, Fundações Pesadas e Melhoramento de Solos.” Source: RevenueBase Database · checked Sep 28, 2026
10	FLAPA	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	1,001-5,000	327 contacts →
	Indirect evidence “Ao longo dos seus 28 anos, a FLAPA - Engenharia e Mineração, vem construindo sua história e obtendo destaque nas seguintes áreas de sua atuação: ENGENHARIA • Terraplenagem •…” Source: RevenueBase Database · checked Sep 28, 2026
11	BVP Geotecnia E Hidrotecnia	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	201-500	286 contacts →
	Indirect evidence “Somos a BVP Geotecnia e Hidrotecnia.” Source: RevenueBase Database · checked Sep 28, 2026
12	Walm BH Engenharia	Strong evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	201-500	252 contacts →
	Strong evidence “Walm BH Engenharia is a company that operates in the areas of Geotechnical Engineering, Hydrology, Hydraulics, Hydrogeology, Engineering Geology, Rock Mechanics, and Environment &…” Source: RevenueBase Database · checked Sep 28, 2026
13	Grupo Geominas	Indirect evidence	Parauapebas, BrazilHQ checked Sep 28, 2026	201-500	245 contacts →
	Indirect evidence “Há mais de duas décadas, o Grupo Geominas desenvolve soluções técnicas especializadas para engenharia, mineração, infraestrutura e meio ambiente.” Source: RevenueBase Database · checked Sep 28, 2026
14	DF Engineering	Strong evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	201-500	232 contacts →
	Strong evidence “Soil and Rock Engineering Projects (Geotechnics), Geology and Water Resources.” Source: RevenueBase Database · checked Sep 28, 2026
15	Grupo Alphageos	Indirect evidence	Barueri, BrazilHQ checked Sep 28, 2026	51-200	203 contacts →
	Indirect evidence “Na sua fundação em 1985, o objetivo imediato da empresa era a execução de sondagens a percussão para subsidiar estudos e projetos de fundações, escavações, terraplenos e outras…” Source: RevenueBase Database · checked Sep 28, 2026
16	Engemap Engenharia E Aerolevantamento	Indirect evidence	Assis, BrazilHQ checked Sep 28, 2026	51-200	201 contacts →
	Indirect evidence “Com uma visão mais ampla de um empreendimento de engenharia, desde o projeto até a operação, a Engemap oferece soluções de engenharia civil e geotecnologias a cada uma das etapas…” Source: RevenueBase Database · checked Sep 28, 2026
17	DP Barros	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	501-1,000	198 contacts →
	Indirect evidence “A DP Barros Pavimentação e Construção LTDA é referência no setor de infraestrutura e construção civil, atuando com excelência em projetos de pavimentação, saneamento básico e…” Source: RevenueBase Database · checked Sep 28, 2026
18	Drillgeo Geologia E Sondagens S.A	Indirect evidence	Lauro De Freitas, BrazilHQ checked Sep 28, 2026	201-500	179 contacts →
	Indirect evidence “A DrillGeo, nos seus mais de 25 anos de experiência no mercado de sondagem, sempre buscou a máxima qualidade e eficiência, trabalhando de forma sustentável e respeito ao meio…” Source: RevenueBase Database · checked Sep 28, 2026
19	Topmix Concreto	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	201-500	169 contacts →
	Indirect evidence “Conheça a TOPMIX acessando nosso site.” Source: RevenueBase Database · checked Sep 28, 2026
20	Almeida Sapata Engenharia E Construções Ltda	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	51-200	148 contacts →
	Indirect evidence “Empresa do ramo da Engenharia Civil, é versátil e capacitada a atender às necessidades de clientes que demandam competência e responsabilidade.” Source: RevenueBase Database · checked Sep 28, 2026
21	Diefra Engenharia E Consultoria	Partial evidence	Belo Horizonte, BrazilHQ checked Sep 28, 2026	1,001-5,000	147 contacts →
	Partial evidence “Diefra Engenharia E Consultoria is a civil engineering company based out of Anel Rodoviário Celso Mello Azevedo 85, Belo Horizonte, Minas Gerais, Brazil.” Source: RevenueBase Database · checked Sep 28, 2026
22	Concreta Tecnologia EM Engenharia	Indirect evidence	Salvador, BrazilHQ checked Sep 28, 2026	51-200	140 contacts →
	Indirect evidence “Concreta Tecnologia Em Engenharia is a construction company based out of R Professor Fernando Rocha, 291, Lot.Centro Executivo, Salvador, Bahia, Brazil.” Source: RevenueBase Database · checked Sep 28, 2026
23	3geo Consultoria	Partial evidence	Niterói, BrazilHQ checked Sep 28, 2026	51-200	120 contacts →
	Partial evidence “3Geo Consulting is a geotechnical and environmental consulting company.” Source: RevenueBase Database · checked Sep 28, 2026
24	Neopav Engenharia Pavimentação E Infraestrutura	Indirect evidence	Limeira, BrazilHQ checked Sep 28, 2026	501-1,000	114 contacts →
	Indirect evidence “Com a responsabilidade de atender do pequeno ao grande, temos profissionais preparados para atender qualquer que seja sua necessidade” Source: RevenueBase Database · checked Sep 28, 2026
25	Projeta Group	Indirect evidence	São Luís, BrazilHQ checked Sep 28, 2026	51-200	113 contacts →
	Indirect evidence “A Projeta Consultoria é uma empresa de engenharia consultiva, engenharia de projetos, de topografia e geotecnia e recuperação estrutural constituída em 1998, que presta serviços…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: geotechnical engineering staffing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names geotechnical engineering staffing companies.
Partial evidence: Its own public description names part of geotechnical engineering staffing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name geotechnical engineering staffing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,404 geotechnical engineering staffing companies based in Brazil

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Geotechnical engineering staffing companies based in Brazil at a glance

As of Sep 28, 2026

9.8%Verified-email coverage

18.8Average contacts per company

1-10Median size (employees)

15.0%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

702

11-50

414

51-200

199

201-500

501-1,000

1,001-5,000

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 1,404 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among geotechnical engineering staffing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Brazil whose own description of what they do matches “geotechnical engineering staffing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names geotechnical engineering staffing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among geotechnical engineering staffing companies, and records with no verified work email. Companies headquartered outside Brazil are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,572 across the full list. 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 September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Geotechnical engineering staffing companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names geotechnical engineering staffing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many geotechnical engineering staffing companies are there based in Brazil?

RevenueBase identified 1,404 geotechnical engineering staffing companies headquartered in Brazil as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Toniolo, Busnello SA, headquartered in Porto Alegre, tops this list with the largest team on record.

Which city has the most geotechnical engineering staffing companies?

Sao Paulo leads with 210 headquartered companies, followed by Belo Horizonte (144) and Rio De Janeiro (80).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,572 verified decision-maker contacts tracked across these 1,404 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 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 Smart Search, 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.