Company lists · Data refreshed September 2026

Top 16 Enterprise telecommunications providers based in Curitiba, Brazil

RevenueBase identified 45 enterprise telecommunications providers headquartered in Curitiba, Brazil as of September 2026 and tracks 966 professional contacts across them, including 54 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (256 companies); Curitiba has 45.

This list covers enterprise telecommunications providers headquartered in Curitiba, 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
45Companies
966Contacts tracked
54Verified emails
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The 16 largest enterprise telecommunications providers based in Curitiba, Brazil

Ranked by team size
Top 16 of 45 enterprise telecommunications providers based in Curitiba, Brazil, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise telecommunications providers: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 20261,001-5,000319 contacts →

Indirect evidence

“Radiante Engenharia, há mais de 30 anos, oferecendo a infraestrutura completa para operadoras e provedores.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202651-200210 contacts →

Indirect evidence

“Somos Parceiro Platinum Vivo Empresas Fazemos parte de um seleto grupo de parceiros Vivo Empresas com melhor desempenho do Brasil, desde 2010 oferecendo os serviços e produtos que…”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202651-20044 contacts →

Indirect evidence

“A Horizons Telecom é uma empresa de telecomunicações que oferece soluções e serviços em fibra ótica, sob medida, para empresas.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202651-20042 contacts →

Indirect evidence

“A Unity Empresas faz parte do seleto grupo de parceiros da TIM e comercializa todos os produtos e serviços da TIM voltados à pessoa jurídica e pessoa física.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 2026201-50037 contacts →

Indirect evidence

“With offices in North and South America, and across Europe, Alhambra offers a global presence with localized solutions, support, and expertise.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202651-20022 contacts →

Indirect evidence

“Provedor de serviços de TV e internet”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202651-20022 contacts →

Indirect evidence

“A Cyber Sul Solutions é uma empresa consolidada na área de Tecnologia da Informação e Soluções Integradas.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202611-5017 contacts →

Indirect evidence

“A UNITEELCOM é uma empresa prestadora de serviços especializada em Redes de Comunicação e Sistemas Integrados de Voz, Dados e Imagem.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 2026201-5009 contacts →

Indirect evidence

“Com mais de 30 anos de experiência e uma equipe altamente capacitada, a Sigma Telecom entende a importância que o fluxo eficiente de informação desempenha dentro de uma empresa.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202611-509 contacts →

Indirect evidence

“A MG8 trabalha com o objetivo de otimizar o setor de telecomunicações de empresas de médio e grande porte, visando a redução dos custos e melhoria dos processos de comunicação.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202651-2006 contacts →

Indirect evidence

“Criada a partir da experiência da Sigmafone, a Itscon surge como uma nova sede de negócios com foco em clientes corporativos e que tem como objetivo, oferecer soluções através das…”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202651-2006 contacts →

Indirect evidence

“Somos a Telxe: uma empresa de Tecnologia e Telecomunicações fundada no ano 2007, na cidade de Curitiba (PR) com objetivo de atender aos Mercados de Pequenas e Médias Empresas…”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 202611-505 contacts →

Indirect evidence

“Somos uma empresa que atua no mercado de telecomunicações, garantindo soluções com qualidade tecnológica de última ponta, segurança e um ótimo custo benefício.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“Há mais de 20 anos no mercado a Palmatec se responsabiliza em garantir a excelência na entrega de produtos e serviços de telecom, dando importância na qualidade de transmissão de…”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

“Smartworld - Be Connected”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceCuritiba, BrazilHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Atuamos nas áreas de infraestrutura de tecnologia da informação, com instalações e manutenções de redes estruturadas, redes ópticas, infraestrutura elétrica e monitoramento IP e…”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 16 of 45 enterprise telecommunications providers based in Curitiba, Brazil

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Enterprise telecommunications providers based in Curitiba, Brazil at a glance

As of Sep 28, 2026
5.6%Verified-email coverage
21.5Average contacts per company
11-50Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
19
51-200
9
201-500
3
1,001-5,000
1

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 45 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 enterprise telecommunications providers, 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 Curitiba, Brazil whose own description of what they do matches “enterprise telecommunications providers”. 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 enterprise telecommunications providers), 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 enterprise telecommunications providers, and records with no verified work email. Companies headquartered outside Curitiba 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, 54 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.

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 enterprise telecommunications providers, 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 enterprise telecommunications providers are there based in Curitiba, Brazil?

RevenueBase identified 45 enterprise telecommunications providers headquartered in Curitiba, 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?

Radiante Engenharia DE Telecomunicações, headquartered in Curitiba, tops this list with the largest team on record.

Which city in Brazil has the most enterprise telecommunications providers?

Sao Paulo leads Brazil with 256 headquartered companies, followed by Rio De Janeiro (84) and Belo Horizonte (62). Curitiba has 45.

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 54 verified decision-maker contacts tracked across these 45 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.