CNAE 4221-9/04 · Santa Catarina
Construção de estações e redes de telecomunicações in Santa Catarina
75 active companies are headquartered in Santa Catarina with this CNAE as their main activity. They represent 5.7% 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
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 Santa Catarina
- 75
- 5.7% of Brazil's
- Of every 100 companies in Santa Catarina
- 0.0
- do this activity
- Among Brazil's federative units
- 6th
- by companies in this activity
Active companies in Santa Catarina
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 3- TC COMUNICACOES LTDACordilheira Alta (SC)
- DUO SERVICE INSTALACAO DE FIBRAS OPTICAS LTDABlumenau (SC)
- MTEL TELECOM MANUTENCAO E INSTALACAO DE REDES DE TELECOMUNICACOES LTDABlumenau (SC)
- JETEL SERVICOS ELETRICOS E TELEFONICOS LTDAGaropaba (SC)
- CONECT CONSTRUCAO DE REDES OPTICAS LTDAChapecó (SC)
- SET. SOLUCOES EM TECNOLOGIAS LTDACamboriú (SC)
- PYT BRASIL LTDAFlorianópolis (SC)
- LFM SOLUCOES EM TELECOMUNICACOES LTDAVideira (SC)
- NV TELECOMUNICACOES LTDABalneário Camboriú (SC)
- FANDARUFF TELECOM LTDASão João Batista (SC)
- CONNECT TELL LTDAJaraguá do Sul (SC)
- MADA TELECOMUNICACOES LTDABrusque (SC)
- TOPLINK SOLUCOES LTDASombrio (SC)
- HDS TELECOM LTDAJoinville (SC)
- ROSA & ARAUJO TELECOM LTDABiguaçu (SC)
- SAS SERVICOS E COMERCIO IMPORTACAO E EXPORTACAO LTDACriciúma (SC)
- SPEED REDES CONECTIVIDADE E INFRAESTRUTURA LTDAConcórdia (SC)
- PE INSTALACOES LTDAPorto Belo (SC)
- RRV SERVICOS ESPECIALIZADOS LTDAItapema (SC)
- ANTENA TELECOM LTDAFlorianópolis (SC)
- WF TELECOMUNICACAO LTDANova Trento (SC)
- INDEPENDENCIA TELECOM LTDAChapecó (SC)
- LINKSC TECNOLOGIA LTDABom Jardim da Serra (SC)
- SCHISTEL COMUNICACAO OPTICA LTDATijucas (SC)
- MV TELECOMUNICACOES LTDAJoaçaba (SC)
- ONIX INSTALACOES LTDATaió (SC)
- ISA TELECOMUNICACOES LTDATubarão (SC)
- NOXWEB TELECOMUNICACOES LTDAJoaçaba (SC)
- GP CONNECT LTDAJoinville (SC)
- LINK PRO LTDAPalhoça (SC)
List limited to 75 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
- Santa Catarina0.0
- Brazil0.0
In Santa Catarina, the activity weighs what it does in Brazil.
Santa Catarina's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Florianópolis 14.7% 11
- 2 São José 8.0% 6
- 3 Itapema 5.3% 4
- 4 Chapecó 4.0% 3
- 5 Joinville 4.0% 3
- 6 Cordilheira Alta 2.7% 2
- 7 Araquari 2.7% 2
- 8 Blumenau 2.7% 2
- 9 Brusque 2.7% 2
- 10 Camboriú 2.7% 2
20 more cities
- 11 Concórdia 2
- 12 Criciúma 2
- 13 Joaçaba 2
- 14 Lages 2
- 15 Palhoça 2
- 16 Pomerode 2
- 17 Porto Belo 2
- 18 São João Batista 2
- 19 Sombrio 2
- 20 Itapoá 2
- 21 Balneário Arroio do Silva 1
- 22 Forquilhinha 1
- 23 Araranguá 1
- 24 Balneário Camboriú 1
- 25 Biguaçu 1
- 26 Governador Celso Ramos 1
- 27 Garopaba 1
- 28 Garuva 1
- 29 Jaraguá do Sul 1
- 30 Nova Trento 1
Class 4221-9 in Santa Catarina
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 | 44 |
| 4221-9/02 Construção de estações e redes de distribuição de energia elétrica | 129 |
| 4221-9/03 Manutenção de redes de distribuição de energia elétrica | 72 |
| 4221-9/04 Construção de estações e redes de telecomunicações · this one | 75 |
| 4221-9/05 Manutenção de estações e redes de telecomunicações | 69 |
Close to this: 6190-6/99 · Outras atividades de telecomunicações não especificadas anteriormente, 1,445 companies in Santa Catarina.
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 Santa Catarina?
75 active companies have CNAE 4221-9/04 as their main activity in Santa Catarina, 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 Santa Catarina's cities has the most companies in this activity?
Florianópolis, with 11, 14.7% 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 Santa Catarina.