CNAE 4322-3/02 · Itaperuna (RJ)
Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração in Itaperuna (RJ)
74 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 109,877 · Rio de Janeiro 10,922
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)
- 74
- less than 0.1% of Brazil's
- Of every 100 companies in Itaperuna (RJ)
- 0.6
- do this activity
- Among Rio de Janeiro's cities
- 24th
- 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. · page 1 of 3- N MONTEIRO DA CUNHA REFRIGERACAO LTDAItaperuna (RJ)
- SOS SERVICOS & CURSOS LTDAItaperuna (RJ)
- JEDSFRIMAQ ASSISTENCIA TECNICA LTDAItaperuna (RJ)
- FG SERVICOS DE REFRIGERACAO E CLIMATIZACAO DE ITAPERUNA LTDAItaperuna (RJ)
- G-TEKH SERVICOS DE REFRIGERACAO LTDAItaperuna (RJ)
- LIDER REFRIGERACAO LTDAItaperuna (RJ)
- ARCANJO LOPES LTDAItaperuna (RJ)
- SIDNEI DE OLIVEIRA GENTILItaperuna (RJ)
- NORBERTO BENINE BUY REFRIGERACAOItaperuna (RJ)
- ANA CELIA MERLIM NEVES FONTEItaperuna (RJ)
- SEBASTIAO DA SILVA SANTOS NETTOItaperuna (RJ)
- J A OLIVEIRA AMARAL SERVICOSItaperuna (RJ)
- MATHEUS AUGUSTO FERREIRA DE SOUZAItaperuna (RJ)
- PAULO HENRIQUE RODRIGUES MACHADO PEREIRAItaperuna (RJ)
- ANDRESSA LEANDRO HENRIQUEItaperuna (RJ)
- CELSO XIMENES VERDAN ROSAItaperuna (RJ)
- AUNELINO RIBEIRO PEREIRA NETOItaperuna (RJ)
- JOANA APARECIDA DA SILVA SOUZAItaperuna (RJ)
- KELLER AFONSO CUSTODIOItaperuna (RJ)
- GEORGE PEREIRA MORAESItaperuna (RJ)
- LUIS CARLOS FURTADO PEREIRAItaperuna (RJ)
- JOSUE DA SILVA JUBIM JUNIORItaperuna (RJ)
- WANDERSON DA SILVA FELIXItaperuna (RJ)
- BRUNO GUIMARAES MIRANDAItaperuna (RJ)
- RODRIGO VELOSO DA SILVEIRAItaperuna (RJ)
- WANDERSON LUIZ DE AZEVEDO TORRESItaperuna (RJ)
- MATEUS DOS SANTOS DAMASCENOItaperuna (RJ)
- FABIO SOARES DA SILVAItaperuna (RJ)
- HAROLDO FREITAS GONCALVESItaperuna (RJ)
- ALESSANDRO DA SILVA GOMESItaperuna (RJ)
List limited to 74 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
- Itaperuna (RJ)0.6
- Rio de Janeiro0.5
- Brazil0.4
In Itaperuna (RJ), the activity weighs 1.4 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 44.4% 4,849
- 2 Duque de Caxias 6.5% 710
- 3 Nova Iguaçu 6.1% 664
- 4 São Gonçalo 5.9% 644
- 5 Belford Roxo 3.5% 382
- 6 São João de Meriti 3.4% 374
- 7 Niterói 2.5% 276
- 8 Campos dos Goytacazes 1.6% 174
- 9 Macaé 1.6% 171
- 10 Maricá 1.6% 171
20 more cities
- 11 Cabo Frio 170
- 12 Itaboraí 154
- 13 Rio das Ostras 127
- 14 Mesquita 126
- 15 Angra dos Reis 112
- 16 Nilópolis 112
- 17 Magé 109
- 18 Volta Redonda 101
- 19 Japeri 93
- 20 Queimados 91
- 21 Petrópolis 82
- 22 Araruama 81
- 23 Barra Mansa 79
- 24 Itaperuna 74
- 25 São Pedro da Aldeia 72
- 26 Resende 61
- 27 Itaguaí 58
- 28 Teresópolis 49
- 29 Saquarema 47
- 30 Três Rios 46
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 | 25 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração · this one | 74 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio | 1 |
What activity 4322-3/02 is
- A instalação, alteração, manutenção e reparo em todos os tipos de construções de:
- Sistemas de refrigeração central, quando não realizados pela unidade fabricante
- Sistemas de ventilação mecânica controlada, inclusive exaustores
Frequently asked questions
How many companies have main CNAE 4322-3/02 in Itaperuna (RJ)?
74 active companies have CNAE 4322-3/02 as their main activity in Itaperuna (RJ), according to the Receita Federal's October 2026 publication. That is 0.6 of every 100 companies there, against 0.4 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 4,849, 44.4% 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).