Company lists · Data refreshed November 2026

Top 9 Telecom system integrators based in Sao Paulo, Brazil

RevenueBase identified 288 company matches for telecom system integrators associated with Sao Paulo, Brazil as of November 2026 and tracks 14,710 professional contacts across them, including 2,328 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category.

This list covers company matches for telecom system integrators associated with Sao Paulo, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
288Companies
14,710Contacts tracked
2,328Verified emails
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The 9 largest telecom system integrators based in Sao Paulo, Brazil

Ranked by team size
Top 9 of 288 company matches for telecom system integrators based in Sao Paulo, Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0002,714 contacts →

Exact match

“With over 30 years of experience in Information and Communication Technology market, the Spread has extensive experience and expertise in the field and has the challenge of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026201-500187 contacts →

Exact match

“A HexaIT Service Solutions é uma empresa especializada em serviços de Tecnologia da Informação, com foco principal em tecnologias de redes e telecomunicações, como Routing &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“A ZivaSec,faz parte do Grupo NTSec e já conta com quinze anos de atuação no mercado, tem o objetivo de atuar com excelência em consultoria, implementação e gerenciamento de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“A Italtel é a parceira estratégica das organizações líderes em sua jornada digital.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“We can be defined as the best combination of a global telecommunications operator and a specialized integrator of advanced infrastructure and IT services, aiming to create a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“A Tesa vem expandindo a sua presença geográfica e a oferta de produtos inovadores e convergentes, principalmente com soluções integradas de Tcom & TI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Evertical Tecnologia is a construction company based out of Rua Loefgreen 1401, Sao Paulo, São Paulo, Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“A Propagação Engenharia, no mercado desde 1994, começou suas atividades atuando no mercado de Telecom implantando redes telefônicas e caminhou junto com o desenvolvimento…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“A Quality Telecom é uma empresa voltada à área de integração para soluções ligadas a telecomunicações e tecnologia da Informação que desenvolve projetos para pequenas, médias e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 9 of 288 telecom system integrators based in Sao Paulo, Brazil

See the full list, filter by size, metro and specialty, and access 2,328 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom system integrators based in Sao Paulo, Brazil at a glance

As of Nov 6, 2026
15.8%Verified-email coverage
51.1Average contacts per company
11-50Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
107
11-50
118
51-200
37
201-500
8
501-1,000
3
1,001-5,000
7
5,001-10,000
2

Email recency for this list is measured across the whole Brazil list rather than for Sao Paulo, so it is reported there. Company counts and contact totals on this page are exact for Sao Paulo, over 288 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 Sao Paulo, Brazil whose business descriptions match “telecom system integrators” 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 2,328 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 “telecom system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom system integrators are there based in Sao Paulo, Brazil?

RevenueBase identified 288 company matches for telecom system integrators associated with Sao Paulo, 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?

Spread Tecnologia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Brazil has the most telecom system integrators?

Sao Paulo leads Brazil with 288 company records, followed by Rio De Janeiro (95) and Belo Horizonte (52).

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 2,328 professional contacts with verified work emails tracked across these 288 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.

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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.