CNAE 4322-3/01 · Rio de Janeiro
Plumbing, sanitary and gas installations in Rio de Janeiro
3,997 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 10.3% 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
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 Rio de Janeiro
- 3,997
- 10.3% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.2
- do this activity
- Among Brazil's federative units
- 3rd
- by companies in this activity
Active companies in Rio de Janeiro
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 4 of 10- JGF SERVICOS DE CONSTRUCAO CIVIL LTDACabo Frio (RJ)
- ISA GAS-INSTALACOES ELETRICAS, HIDRAULICAS E DE GAS LTDARio de Janeiro (RJ)
- VPEX INSTALACOES E SOLUCOES LTDARio de Janeiro (RJ)
- THERMOPRIME INSTALACOES LTDAPetrópolis (RJ)
- WM CONSTRUCAO E ENGENHARIA LTDARio de Janeiro (RJ)
- FIGUEIREDO CONSTRUCOES E INSTALACOES LTDARio de Janeiro (RJ)
- CONSTRUTEC BRASIL SERVICOS E CONSTRUCOES LTDARio de Janeiro (RJ)
- F L N CONSULTORIA E ASSISTENCIA LTDANova Iguaçu (RJ)
- F9 ENGENHARIA LTDANova Iguaçu (RJ)
- ALMEIDA CARVALHO SOUZA CONSTRUTORA LTDACampos dos Goytacazes (RJ)
- ENGESAFI ENGENHARIA LTDAPetrópolis (RJ)
- DBM ENGENHARIA LTDARio de Janeiro (RJ)
- JR OLIVEIRA INSTALACOES LTDAMaricá (RJ)
- METROAGUA SERVICOS E TRATAMENTOS LTDARio de Janeiro (RJ)
- CIA DO GAS E TEC IN HOUSE LTDA MESão João de Meriti (RJ)
- MQ CONSTRUTORA LTDA.Macaé (RJ)
- J. ALMEIDA CONSTRUCOES E REFORMAS LTDARio de Janeiro (RJ)
- SNAGA SOLUCOES E REFORMAS PREDIAIS LTDARio de Janeiro (RJ)
- FERDAN INSTALACOES ELETRICAS, HIDRAULICAS E DE GAS LTDARio de Janeiro (RJ)
- EPS MANUTENCAO PREDIAL LTDAItaboraí (RJ)
- PREDIALFIX - INSTALACOES, PROJETOS, SERVICOS E COMERCIO LTDAResende (RJ)
- N.E. TRANSPORTE E LOGISTICA LTDARio de Janeiro (RJ)
- WB HONORIO EMPREENDIMENTOS LTDACampos dos Goytacazes (RJ)
- OPPORTUNITY VENDAS E SERVICOS LTDARio de Janeiro (RJ)
- DUNAMIS INSTALACOES DE GAS LTDARio de Janeiro (RJ)
- JSP RIO INSTALACOES E SERVICOS HIDRAULICOS SC LTDARio de Janeiro (RJ)
- VALLE SERVICE SERVICOS TECNICOS DE GAS LTDARio de Janeiro (RJ)
- CR PROJETOS INTEGRADOS EM ENGENHARIA LTDARio de Janeiro (RJ)
- JG INSTALACOES ELETRICAS E HIDRAULICAS LTDANiterói (RJ)
- REAL HIDRAULICA E PNEUMATICA LTDABarra Mansa (RJ)
List limited to 300 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
- Rio de Janeiro0.2
- Brazil0.1
In Rio de Janeiro, 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 Rio de Janeiro
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Plumbing, sanitary and gas installations · this one | 3,997 |
| 4322-3/02 Installation and maintenance of central air conditioning, ventilation and refrigeration systems | 10,922 |
| 4322-3/03 Installation of fire prevention systems | 869 |
Close to this: 4321-5/00 · Electrical installation and maintenance, 26,593 companies in Rio de Janeiro.
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 Rio de Janeiro?
3,997 active companies have CNAE 4322-3/01 as their main activity in Rio de Janeiro, 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 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 Rio de Janeiro.