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 1 of 3- CLEMAR ENGENHARIA LTDAFlorianópolis (SC)
- NETFACIL TELECOM LTDACriciúma (SC)
- DELTA TORRES E EMPREENDIMENTOS LTDATimbó (SC)
- MB REDES DE TV A CABO LTDAFlorianópolis (SC)
- SCJ SEGURANCA DIGITAL LTDAJoinville (SC)
- ILHANET SERVICOS TERCEIRIZADOS TELECOM LTDASão Francisco do Sul (SC)
- POMERANIA PRESTADORA DE SERVICOS LTDAPomerode (SC)
- FLY TELECOM LTDASão João Batista (SC)
- MANTEL TELECOMUNICACOES E ENERGIA LTDA.Florianópolis (SC)
- FIBERCOM SERVICOS DE TELECOMUNICACOES LTDALages (SC)
- ACQUA REDE NEUTRA LTDAItapema (SC)
- AKROID - INSTALACOES E EQUIPAMENTOS LTDAAraquari (SC)
- SUL CONECT FIBRA LTDASombrio (SC)
- KATANA SERVICOS DE MANUTENCAO PREDIAL, ENGENHARIA E TELECOMUNICACOES LTDAItapema (SC)
- NET SERVICOS DE INSTALACAO E MANUTENCAO LTDAForquilhinha (SC)
- CYLP COMERCIO E INDUSTRIA LTDACamboriú (SC)
- CHAPECOENSE INSTALACOES E MANUTENCOES EM TELECOMUNICACOES LTDAChapecó (SC)
- WIP TELECOMUNICACOES LTDASão José (SC)
- SAITES CONSTRUCOES E TELECOMUNICACOES LTDAPalhoça (SC)
- CONECTA INTERNET INSTALACOES LTDAAraranguá (SC)
- CONSANTEL SANEAMENTO E TELEFONIA LTDAGaruva (SC)
- RSJ SERVICOS DE INSTALACAO E MANUTENCAO LTDASão Ludgero (SC)
- CTE EMPREENDIMENTOS E CONSTRUCOES LTDASão José (SC)
- SANT'ANA REDES DE TELECOMUNICACOES LTDACordilheira Alta (SC)
- REDE TELECOM PRESTACAO DE SERVICOS LTDAItapoá (SC)
- SPEED TELECOMUNICACOES LTDAConcórdia (SC)
- LEANDRO INACIO DE SOUZA INSTALACOES LTDAItapema (SC)
- COMPASS TOWER COMPANY LTDAFlorianópolis (SC)
- AGAPE PRESTADORA DE SERVICOS LTDAPomerode (SC)
- INFRATEL TELECON LTDABrusque (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.