CNAE 4322-3/01 · Itaperuna (RJ)
Instalações hidráulicas, sanitárias e de gás in Itaperuna (RJ)
25 active companies are headquartered in Itaperuna (RJ) with this CNAE as their main activity. They represent less than 0.1% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 38,838 · Rio de Janeiro 3,997
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 Itaperuna (RJ)
- 25
- less than 0.1% of Brazil's
- Of every 100 companies in Itaperuna (RJ)
- 0.2
- do this activity
- Among Rio de Janeiro's cities
- 21st
- by companies in this activity
Active companies in Itaperuna (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- R S SOLUCOES ENERGETICAS LTDAItaperuna (RJ)
- GF SERVICO E MANUTENCAO HIDRAULICA LTDAItaperuna (RJ)
- RENATO DA CRUZ COSTA LTDAItaperuna (RJ)
- VLF SOLUCOES ENERGETICAS E TECNOLOGICAS LTDAItaperuna (RJ)
- JFRP INSTALACOES ITAPERUNA LTDAItaperuna (RJ)
- SERGIO FERREIRA GONCALVESItaperuna (RJ)
- JOAO ALVES NUSS NETOItaperuna (RJ)
- JACKSUEL PEREIRA DA SILVAItaperuna (RJ)
- V CUNHA VIEIRA EMPREENDIMENTOSItaperuna (RJ)
- M E DE CASTRO JUNIOR ENGENHARIA & ENERGIA SOLARItaperuna (RJ)
- GUILHERME DE CASTRO BRAGA CANCADOItaperuna (RJ)
- ELIZANDRA APARECIDA FERREIRA DA SILVA AZEVEDOItaperuna (RJ)
- JOAO PEDRO ELICIO FERREIRA AZEVEDOItaperuna (RJ)
- MARCO AURELIO CAVALHEIRO SALESItaperuna (RJ)
- SERGIO LUIZ FERREIRA BRANCOItaperuna (RJ)
- GEOVANE CURCIO AGUIARItaperuna (RJ)
- ANGELO MARCIO MARTINSItaperuna (RJ)
- JOSE MARCIO RODRIGUES GOETTENAUERItaperuna (RJ)
- PAULO CELIO DA SILVA ROCHAItaperuna (RJ)
- HEMILTON ARAUJO DO ALMO SILVAItaperuna (RJ)
- CREUSA PEREIRA DE SOUZAItaperuna (RJ)
- PAULO HENRIQUE DE MATOS SILVAItaperuna (RJ)
- ALEX DE SOUZA COSTAItaperuna (RJ)
- MAXSUEL FERREIRA DO NASCIMENTOItaperuna (RJ)
- CARLOS NAZARENO FONSECA DA SILVA FREITASItaperuna (RJ)
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
- Itaperuna (RJ)0.2
- Rio de Janeiro0.2
- Brazil0.1
In Itaperuna (RJ), the activity weighs 1.3 times what it does in Brazil.
Rio de Janeiro's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Rio de Janeiro 47.0% 1,880
- 2 Nova Iguaçu 6.4% 255
- 3 São Gonçalo 5.7% 228
- 4 Duque de Caxias 5.3% 212
- 5 Belford Roxo 3.8% 150
- 6 Niterói 3.0% 121
- 7 São João de Meriti 2.3% 93
- 8 Petrópolis 2.3% 90
- 9 Campos dos Goytacazes 2.0% 79
- 10 Queimados 1.6% 65
20 more cities
- 11 Teresópolis 64
- 12 Maricá 57
- 13 Itaboraí 50
- 14 Magé 50
- 15 Cabo Frio 45
- 16 Macaé 41
- 17 Mesquita 37
- 18 Volta Redonda 35
- 19 Angra dos Reis 29
- 20 Nova Friburgo 26
- 21 Itaperuna 25
- 22 Japeri 24
- 23 Nilópolis 23
- 24 Resende 22
- 25 Itaguaí 21
- 26 Seropédica 19
- 27 Araruama 17
- 28 Barra Mansa 16
- 29 São Pedro da Aldeia 16
- 30 Rio das Ostras 15
Class 4322-3 in Itaperuna (RJ)
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás · this one | 25 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração | 74 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio | 1 |
Close to this: 4321-5/00 · Instalação e manutenção elétrica, 162 companies in Itaperuna (RJ).
What activity 4322-3/01 is
- A instalação, alteração, manutenção e reparo em todos os tipos de construções de: #- sistemas de aquecimento (coletor solar, gás e óleo), exceto elétricos #- equipamentos hidráulicos e sanitários #- ligações de gás #- tubulações de vapor
- A instalação, alteração, manutenção e reparo de rede para distribuição de gases e fluídos diversos (p. ex., oxigênio nos hospitais)
Frequently asked questions
How many companies have main CNAE 4322-3/01 in Itaperuna (RJ)?
25 active companies have CNAE 4322-3/01 as their main activity in Itaperuna (RJ), according to the Receita Federal's October 2026 publication. That is 0.2 of every 100 companies there, against 0.1 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 1,880, 47.0% 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 Itaperuna (RJ).