CNAE 4221-9/05 · São Paulo
Manutenção de estações e redes de telecomunicações in São Paulo
481 active companies are headquartered in São Paulo with this CNAE as their main activity. They represent 33.0% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 1,458
What this list shows
We count each active company once, by its head office in this state and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.
- Companies in São Paulo
- 481
- 33.0% of Brazil's
- Of every 100 companies in São Paulo
- 0.0
- do this activity
- Among Brazil's federative units
- 1st
- by companies in this activity
Active companies in São Paulo
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- ONDACOM SERVICOS DE TELECOMUNICACOES LTDACajamar (SP)
- ICOMON TECNOLOGIA LTDASão Paulo (SP)
- TEL TELECOMUNICACOES LTDA.São Paulo (SP)
- VALE TELECOM LTDALorena (SP)
- TELEBIT BRASIL TELECOMUNICACAO LTDABarueri (SP)
- YOU CAST COMERCIO DE EQUIPAMENTOS ELETRONICOS LTDASão Paulo (SP)
- SPFIBER SERVICOS DE IMPLANTACAO E MANUTENCAO DE REDES DE TELECOMUNICACOES LTDA.São Lourenço da Serra (SP)
- ESTACAO ENGENHARIA DE TELECOMUNICACOES LTDA.Campinas (SP)
- TEL LINK LTDASão Paulo (SP)
- HP HOLDINGS OF BUSINESS MANAGEMENT LTDASão Paulo (SP)
- TLD TELEDATA TECNOLOGIA EM CONECTIVIDADE LTDABarueri (SP)
- KPI - TELECOM SERVICOS E COMERCIO DE EQUIPAMENTOS DE TELECOMUNICACAO - LTDAPaulínia (SP)
- POLLEOTEK SERVICOS DE TELECOMUNICACAO LTDASão José dos Campos (SP)
- FLY CONECTA SERVICE LTDAAngatuba (SP)
- JOTAZO FIBRA LTDANova Campina (SP)
- VELLNET PROVEDORA DE INTERNET BB LTDA.Borborema (SP)
- MTNT PROVEDORA DE INTERNET BADY BASSITT LTDABady Bassitt (SP)
- VALISAT ATIVACAO DE REDE DE TV A CABO LTDA.Valinhos (SP)
- TELECO BRASIL LTDASão Paulo (SP)
- AMBITAL GESTAO EM RESIDUOS LTDAMogi das Cruzes (SP)
- TELE WORD SOLUTION LTDASão José dos Campos (SP)
- GRAUER SERVICOS DE INFORMATICA, TELECOMUNICACOES, IMPORTACAO E EXPORTACAO LTDASão Bernardo do Campo (SP)
- HELP TELECOM SERVICOS LTDAArujá (SP)
- DS2 DIGITAL SYSTEMS LTDASão José dos Campos (SP)
- ASTRO TECHNOLOGIES LTDASorocaba (SP)
- MORCATTI ENGENHARIA LTDASão Paulo (SP)
- ENGEMAN MANUTENCAO INSTALACAO E TELECOMUNICACOES LTDASão Paulo (SP)
- ARKTE BRASIL TELECOM LTDASão Paulo (SP)
- VCOM INSTALACOES DE EQUIPAMENTOS LTDASantos (SP)
- BRTELECOM COMERCIO E SERVICOS INTEGRADOS LTDAPaulínia (SP)
List limited to 300 companies, 30 per page. Looking for a specific company? Search by name or CNPJ.
How to assess a company's data
When you open a company's record, use these guides to check the data and understand what each field can establish.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
How much the activity weighs
of every 100 active companies, how many do this activity
- São Paulo0.0
- Brazil0.0
In São Paulo, the activity weighs what it does in Brazil.
São Paulo's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Paulo 40.3% 194
- 2 Campinas 3.1% 15
- 3 Osasco 3.1% 15
- 4 São José dos Campos 2.7% 13
- 5 Guarulhos 2.5% 12
- 6 São Bernardo do Campo 2.5% 12
- 7 Sorocaba 2.3% 11
- 8 Bauru 1.7% 8
- 9 São Caetano do Sul 1.7% 8
- 10 Ribeirão Preto 1.5% 7
20 more cities
- 11 Santo André 7
- 12 Barueri 6
- 13 Mauá 6
- 14 Cajuru 5
- 15 Itaquaquecetuba 5
- 16 Paulínia 5
- 17 Sumaré 5
- 18 Suzano 5
- 19 Hortolândia 4
- 20 Araçatuba 4
- 21 Mogi das Cruzes 4
- 22 Praia Grande 4
- 23 Santana de Parnaíba 4
- 24 Araraquara 3
- 25 Atibaia 3
- 26 Cotia 3
- 27 Ferraz de Vasconcelos 3
- 28 Itapevi 3
- 29 Jaboticabal 3
- 30 Limeira 3
Class 4221-9 in São Paulo
obras para geração e distribuição de energia elétrica e para telecomunicações, by subclass| Subclass | Active |
|---|---|
| 4221-9/01 Construção de barragens e represas para geração de energia elétrica | 31 |
| 4221-9/02 Construção de estações e redes de distribuição de energia elétrica | 261 |
| 4221-9/03 Manutenção de redes de distribuição de energia elétrica | 196 |
| 4221-9/04 Construção de estações e redes de telecomunicações | 379 |
| 4221-9/05 Manutenção de estações e redes de telecomunicações · this one | 481 |
Close to this: 9512-6/00 · Reparação e manutenção de equipamentos de comunicação, 16,176 companies in São Paulo.
What activity 4221-9/05 is
- A manutenção de estações e redes de longa e média distância de telecomunicações
Frequently asked questions
How many companies have main CNAE 4221-9/05 in São Paulo?
481 active companies have CNAE 4221-9/05 as their main activity in São Paulo, according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.
Which of São Paulo's cities has the most companies in this activity?
São Paulo, with 194, 40.3% of the state's companies in this activity.
Why can this total differ from the companies operating in this state?
This scope counts active companies by their head office and registered main activity. A company may operate in this state through a branch or carry out the activity as a secondary activity and be excluded from the count. The registered address and CNAE do not establish every operating location or service.
Does active status mean a company is qualified for a contract?
No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.
How we count
Active companies with this as their main activity, counted by head office in São Paulo.