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 3 of 10- S P INSTALACOES E SERVICOS LTDARio de Janeiro (RJ)
- GASINDUR DO BRASIL LTDA.Rio de Janeiro (RJ)
- LB RIO CONSTRUCOES E SERVICOS LTDARio de Janeiro (RJ)
- B2 ENERGY INSTALACOES E SERVICOS LTDANova Friburgo (RJ)
- RSN ENGENHARIA LTDARio de Janeiro (RJ)
- SOLO CONSTRUTORA E CONSULTORIA LTDASão Gonçalo (RJ)
- KEEP SIGMA3 - PRESTACAO DE SERVICOS LTDASão Gonçalo (RJ)
- MASTERUSI INDUSTRIA, COMERCIO E SERVICOS LTDADuque de Caxias (RJ)
- G. SILVA - MANUTENCAO ELETRICA E HIDRAULICA LTDACabo Frio (RJ)
- W P MONTAGEM COMERCIAL E INDUSTRIAL LTDARio de Janeiro (RJ)
- FENIX SANEAMENTO E SERVICOS LTDARio de Janeiro (RJ)
- GAS BRASIL INSTALACOES DE GAS LTDARio de Janeiro (RJ)
- MAS TH REZENDE SERVICOS, COMERCIO E PRODUCAO CULTURAL LTDARio de Janeiro (RJ)
- REAL EMPREITEIRA SOLUCOES EM INFRAESTRUTURA LTDAPetrópolis (RJ)
- VETOR DETECCAO DE VAZAMENTOS LTDA.Campos dos Goytacazes (RJ)
- ADAO MENDONCA REFORMAS CONTRUCOES EM GERAL LTDARio de Janeiro (RJ)
- TKX GLOBAL SOLUTIONS BR LTDARio de Janeiro (RJ)
- JN NOBREGA MATERIAIS DE CONSTRUCAO E SERVICOS LTDAParacambi (RJ)
- ML HIDRAULICA TECNOLOGIA EM TRATAMENTO DE AGUAS E RESERVATORIOS LTDARio de Janeiro (RJ)
- TR INSTALACOES LTDARio de Janeiro (RJ)
- AJ SERVICOS HIDRAULICOS LTDAVolta Redonda (RJ)
- ZAITTI CONSTRUCOES LTDARio de Janeiro (RJ)
- BR PIPE REABILITACAO DE TUBULACOES LTDARio de Janeiro (RJ)
- APF ENGENHARIA E INSTALACOES LTDARio de Janeiro (RJ)
- JPC ENERGAS SERVICOS LTDA - EM RECUPERACAO JUDICIALRio de Janeiro (RJ)
- MILSOM ENERGIA SOLAR COMERCIAL E SERVICOS LTDARio de Janeiro (RJ)
- S. J. P. INSTALACOES & REFORMAS LTDABelford Roxo (RJ)
- TECNOGAS COMBATE A INCENDIOS E INSTALACOES DE GAS LTDARio de Janeiro (RJ)
- J L HIDRAULICA LTDACampos dos Goytacazes (RJ)
- IMB - ENGENHARIA E CONSULTORIA LTDARio de Janeiro (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.