Company lists · Data refreshed September 2026

Top 25 Refinery engineering firms based in Curitiba, Brazil

Name: Refinery engineering firms based in Curitiba, Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 97 companies tracked

RevenueBase identified 97 company matches for refinery engineering firms associated with Curitiba, Brazil as of September 2026 and tracks 1,447 professional contacts across them, including 146 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (371 companies); Curitiba has 97.

This list covers company matches for refinery engineering firms associated with Curitiba, 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 September 17, 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 Sep 17, 2026 How this list was built

97Companies

1,447Contacts tracked

146Verified emails

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The 25 largest refinery engineering firms based in Curitiba, Brazil

Ranked by team size

Top 25 of 97 company matches for refinery engineering firms based in Curitiba, Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	ACV Tecline Engenharia Ltda	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	501-1,000	557 contacts →
	Exact match “A ACV Tecline é uma empresa especializada na prestação de serviços voltados, principalmente, para empresas do setor de energia, com destaque para as áreas de petróleo e gás.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	G5 Engenharia	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	51-200	135 contacts →
	Exact match “A G5 Engenharia é uma empresa de consultoria, projeto e de gerenciamento de implantação de obras de infra-estrutura, atuando principalmente no ramo de energia, mineração…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Possebon Engenharia E Serviços	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	51-200	98 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 · Sep 17, 2026 · View company records in RevenueBase
4	NJB	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	51-200	92 contacts →
	Exact match “A empresa NJB - Engenharia e Gerenciamento, nasceu no ano de 1990, com foco principal no desenvolvimento e gerenciamento de projetos de Geração e Cogeração de Energia…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	OMS Engenharia Ltda	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	51-200	65 contacts →
	Exact match “A OMS Engenharia é uma empresa especializada em engenharia one-stop-shop.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Protium Dynamics	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Somos uma empresa de engenharia especializada em soluções completas de hidrogênio para os setores de petróleo, gás, mineração e energia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	DEX Engenharia E Consultoria	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “A DEX Engenharia e Consultoria conta com uma equipe multidisciplinar, composta de engenheiros, consultores, técnicos, projetistas e desenhistas trabalhando de maneira integrada.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Michelena Climatização	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “A MICHELENA CLIMATIZAÇÃO foi criada em 1980 para atuar em projetos, instalações e manutenções de sistemas de ar condicionado.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Crossfire Engenharia	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “A CROSSFIRE lhe abre as portas da proteção e prevenção contra incêndios, desenvolvendo alta tecnologia em todo seguimento da engenharia, realizando de forma completa todo…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Omatic Engenharia	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	1-10	14 contacts →
	Exact match “Omatic is an inovative and high performance company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Roka Engenharia	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “A ROKA Engenharia foi fundada em 1992, com prestação de serviços em Engenharia Elétrica e Mecânica.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Projecalc Engenharia	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “A Projecalc Engenharia foi estabelecida em junho de 2017 como uma empresa especializada em engenharia de estruturas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Engecell	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “A Engecell ajuda os setores de celulose, farmacêutica, química e alimentícia a tornar seus projetos multidisciplinares em realidades sustentáveis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Mgcalc Engenharia E Consultoria EM Estruturas	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “QUEM SOMOS A MGCALC Engenharia e Consultoria em Estruturas é uma empresa focada em serviços de engenharia para estruturas metálicas e mistas de pequeno, médio e grande porte…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Intelligrid	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “Fundada em 1994, a IntelliGrid é uma empresa de engenharia focada no desenvolvimento e execução de empreendimentos em regime EPC (Engineering, Procurement, and Construction) e…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Fatorial Engenharia	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Empresa criada visando a entrega de uma solução diferenciada em projetos de Construção Civil para o mercado.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Open Solutions Engenharia & Consultoria	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “OPEN SOLUTIONS: Soluções em Engenharia & Consultoria desde 2016.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Rinaldi Engenharia Civil	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Localizada em Curitiba-PR, é especializada na prestação de serviços na área da construção civil industrial e comercial.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Syncron Engenharia E Gerenciamento Ltda	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Com especialização em Desenvolvimento de Projetos, a Syncron se destaca desde 2012 como fornecedora de serviços e soluções de engenharia para uma ampla gama de segmentos…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Desimec	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “A Desimec foi idealizada em 2008 e iniciou efetivamente suas atividades no ano de 2015 com o propósito de trazer soluções inovadoras às necessidades de seus clientes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	JMC Engenharia	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Uma empresa de Engenharia, que atua no mercado da Construção Civil com o objetivo de tornar possível o sonho de seus clientes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Tresso Engenharia	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “A Tresso Engenharia foi fundada para desempenhar serviços de excelência em engenharia às empresas que buscam soluções eficazes, robustas e inteligentes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	3rk Engenharia Ltda	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “A 3RK Engenharia atua no desenvolvimento de projetos de engenharia e consultoria técnica, oferecendo análises, laudos, estudos de viabilidade e soluções sob medida para cada…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Laplace Automação Industrial Ltda	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	201-500	1 contacts →
	Exact match “A LAPLACE Automação Industrial Ltda.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Envicon Química & Meio Ambiente	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Vivemos em mundo cada vez mais competitivo e globalizado, onde são apresentados novos desafios e oportunidades a cada dia.” Recorded in the RevenueBase company graph · Sep 17, 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 “refinery 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 25 of 97 refinery engineering firms based in Curitiba, Brazil

See the full list, filter by size, metro and specialty, and access 146 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Refinery engineering firms based in Curitiba, Brazil at a glance

As of Sep 17, 2026

10.1%Verified-email coverage

14.9Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole Brazil list rather than for Curitiba, so it is reported there. Company counts and contact totals on this page are exact for Curitiba, over 97 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 Curitiba, Brazil whose business descriptions match “refinery 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 146 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 September 17, 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.

Refinery engineering firms 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 “refinery engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many refinery engineering firms are there based in Curitiba, Brazil?

RevenueBase identified 97 company matches for refinery engineering firms associated with Curitiba, Brazil as of September 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?

ACV Tecline Engenharia 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 refinery engineering firms?

Sao Paulo leads Brazil with 371 company records, followed by Rio De Janeiro (175) and Belo Horizonte (166). Curitiba has 97.

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 146 professional contacts with verified work emails tracked across these 97 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 September 17, 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.