CNAE 4221-9/04 · Porto Alegre (RS)
Construção de estações e redes de telecomunicações in Porto Alegre (RS)
29 active companies are headquartered in Porto Alegre (RS) with this CNAE as their main activity. They represent 2.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 1,316 · Rio Grande do Sul 101
What this list shows
We count each active company once, by its head office in the city 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 Porto Alegre (RS)
- 29
- 2.2% of Brazil's
- Of every 100 companies in Porto Alegre (RS)
- 0.0
- do this activity
- Among Rio Grande do Sul's cities
- 1st
- by companies in this activity
Active companies in Porto Alegre (RS)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- KM SERVICOS EM TELECOMUNICACOES LTDAPorto Alegre (RS)
- NORT SOLUTIONS SERVICOS DE COMUNICACAO MULTIMIDIA LTDAPorto Alegre (RS)
- KONIG - EDIFICACOES E REFORMAS LTDAPorto Alegre (RS)
- IFORTIX INSTALACOES E CONSTRUCOES LTDA.Porto Alegre (RS)
- CABLE SERVICOS E CONSULTORIA LTDAPorto Alegre (RS)
- COBRA INSTALACOES E SERVICOS LTDAPorto Alegre (RS)
- PILLATEL SERVICOS DE TELECOMUNICACOES E ENERGIA LTDAPorto Alegre (RS)
- SMART CONNECTION LTDAPorto Alegre (RS)
- CONSTRUTORA VITT LTDAPorto Alegre (RS)
- DOM ARQUITETURA E CONSTRUCAO LTDAPorto Alegre (RS)
- MZT SISTEMAS E INSTALACOES LTDAPorto Alegre (RS)
- MCXW - SERVICOS E PRODUTOS PARA INFORMATICA LTDA.Porto Alegre (RS)
- RGR TELECOM-INSTALACOES DE REDES LTDAPorto Alegre (RS)
- INTEROPTICS DO BRASIL TECNOLOGIA LTDAPorto Alegre (RS)
- MASTER REDES LOGICAS LTDAPorto Alegre (RS)
- SITIT SOLUCOES DE INFRAESTRUTURAS PARA TECNOLOGIA, INFORMACAO E TELEFONIA LTDAPorto Alegre (RS)
- CETELCOM TELECOMUNICACOES LTDAPorto Alegre (RS)
- DKR TELECOMUNICACOES E INFORMATICA LTDAPorto Alegre (RS)
- P & B TELECOM MANUTENCAO EM REDES DE TELECOMUNICACOES LTDAPorto Alegre (RS)
- PRIME TECH SOLUCOES EM CONECTIVIDADE LTDAPorto Alegre (RS)
- SPEEDNET TELECOM SERVICOS EM TELECOMUNICACAO LTDAPorto Alegre (RS)
- FIBRA OPTICA CONCEITO LTDAPorto Alegre (RS)
- IBERCOM DO BRASIL TELECOMUNICACOES LTDAPorto Alegre (RS)
- SIGLO SERVICOS E REPRESENTACOES LTDAPorto Alegre (RS)
- ALC SERVICOS COM TECNOLOGIA LTDAPorto Alegre (RS)
- BAGATINI & CIA LTDAPorto Alegre (RS)
- EML ENGENHARIA ELETROMONTAGENS LTDAPorto Alegre (RS)
- G. M. INSTALACOES DE REDESPorto Alegre (RS)
- OTAVIO MEIRELLES GARCIAPorto Alegre (RS)
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
- Porto Alegre (RS)0.0
- Rio Grande do Sul0.0
- Brazil0.0
In Porto Alegre (RS), the activity weighs 2.1 times what it does in Brazil.
Rio Grande do Sul's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Porto Alegre 28.7% 29
- 2 Erechim 7.9% 8
- 3 Sapucaia do Sul 6.9% 7
- 4 Novo Hamburgo 5.9% 6
- 5 Alvorada 3.0% 3
- 6 Caxias do Sul 3.0% 3
- 7 Santa Cruz do Sul 3.0% 3
- 8 Santa Maria 3.0% 3
- 9 São Leopoldo 3.0% 3
- 10 Imbé 2.0% 2
20 more cities
- 11 Cachoeirinha 2
- 12 Canoas 2
- 13 Guaíba 2
- 14 Ijuí 2
- 15 Passo Fundo 2
- 16 Pelotas 2
- 17 São Sepé 2
- 18 Balneário Pinhal 1
- 19 Nova Santa Rita 1
- 20 Cidreira 1
- 21 Alegrete 1
- 22 Arroio dos Ratos 1
- 23 Cruz Alta 1
- 24 Estância Velha 1
- 25 Farroupilha 1
- 26 Flores da Cunha 1
- 27 Ibirubá 1
- 28 Itaqui 1
- 29 Palmeira das Missões 1
- 30 Rio Pardo 1
Class 4221-9 in Porto Alegre (RS)
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 | 1 |
| 4221-9/02 Construção de estações e redes de distribuição de energia elétrica | 24 |
| 4221-9/03 Manutenção de redes de distribuição de energia elétrica | 10 |
| 4221-9/04 Construção de estações e redes de telecomunicações · this one | 29 |
| 4221-9/05 Manutenção de estações e redes de telecomunicações | 33 |
Close to this: 6190-6/99 · Outras atividades de telecomunicações não especificadas anteriormente, 334 companies in Porto Alegre (RS).
What activity 4221-9/04 is
- As obras para implantação de serviços de telecomunicações: #- construção de redes de longa e média distância de telecomunicações
- A execução de projetos de instalações para estações de telefonia e centrais telefônicas
Frequently asked questions
How many companies have main CNAE 4221-9/04 in Porto Alegre (RS)?
29 active companies have CNAE 4221-9/04 as their main activity in Porto Alegre (RS), 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 Rio Grande do Sul's cities has the most companies in this activity?
Porto Alegre, with 29, 28.7% of the state's companies in this activity.
Why can this total differ from the companies operating in the city?
This scope counts active companies by their head office and registered main activity. A company may operate in the city 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 Porto Alegre (RS).