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 7 of 10- JC TELECOM E CONSTRUCOES LTDAPiracaia (SP)
- INOVE SERVICOS DE TELECOMUNICACOES LTDACajuru (SP)
- CONECTMAIA SOLUCOES FIBRA OPTICA LTDARibeirão Preto (SP)
- ANDRE LUIS DA SILVA TENO LTDAGuararapes (SP)
- ULTRALIG PRESTACAO DE SERVICOS DE TELECOMUNICACAO LTDAItaquaquecetuba (SP)
- LRT TELECOM LTDASão João da Boa Vista (SP)
- PRADO ENGENHARIA EM TELECOMUNICACOES LTDAFerraz de Vasconcelos (SP)
- NIGROTEL TELECOMUNICACOES LTDASão Paulo (SP)
- CG TELECOM E OBRAS EM GERAL LTDASão Paulo (SP)
- SPACE SOLUCOES LTDASanto André (SP)
- A T TELECOMUNICACOES LTDASão Caetano do Sul (SP)
- TOWER TELECOMUNICACOES LTDASão Paulo (SP)
- TYM TELECOM LTDASorocaba (SP)
- NETLANTECH SOLUCOES TELECOM LTDASão Paulo (SP)
- H M M TELECOMUNICACOES LTDASão Caetano do Sul (SP)
- EVOLUTION EXPRESS TELECOM LTDASão Paulo (SP)
- SMART TELECOM LM LTDASão Paulo (SP)
- ENA CONSULTORIA EM TELECOMUNICACOES LTDAIndaiatuba (SP)
- TED ROCK LOVER TELECOM LTDASão Paulo (SP)
- F ASSIS NETO LTDAFernandópolis (SP)
- SANTOS E OLIVEIRA SERVICOS DE TELECOMUNICACOES E MANUTENCAO LTDAMauá (SP)
- INSTALSAT TELECOMUNICACAO E SEGURANCA LTDAAraçoiaba da Serra (SP)
- SOU MAIS TECNOLOGIA LTDAJarinu (SP)
- EDICTEL TELECOMUNICACOES LTDASão Paulo (SP)
- BRASILVOX CONSULTORIA LTDALeme (SP)
- ANITEL TELEFONIA E SEGURANCA LTDACampinas (SP)
- QUEIROZ TECNOLOGIA COMERCIO E SERVICOS EM TELECOMUNICACOES LTDASanto André (SP)
- TORRE TELECOM SERVICOS EM TELECOMUNICACOES E TELEFONIA LTDASantana de Parnaíba (SP)
- JACOBINI AFFONSO SISTEMAS ELETRICOS LTDABauru (SP)
- IVAN BASSAN BENITEZ CARMONA TECNICA LTDAPindamonhangaba (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.