CNAE 4322-3/01 · Natal (RN)
Instalações hidráulicas, sanitárias e de gás in Natal (RN)
95 active companies are headquartered in Natal (RN) with this CNAE as their main activity. They represent 0.2% 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 Grande do Norte 240
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 Natal (RN)
- 95
- 0.2% of Brazil's
- Of every 100 companies in Natal (RN)
- 0.1
- do this activity
- Among Rio Grande do Norte's cities
- 1st
- by companies in this activity
Active companies in Natal (RN)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 4- D & E SERVICOS HIDRAULICOS LTDANatal (RN)
- R L SERVICOS E INSTALACOES PREDIAIS LTDANatal (RN)
- REDIFIQUE CONSTRUCOES E SERVICOS LTDANatal (RN)
- RGF CONSTRUCOES E SERVICOS LTDANatal (RN)
- WATERSOL SOLUCOES EM TRATAMENTO DE AGUA LTDANatal (RN)
- AGS ENGENHARIA E CONSULTORIA EMPRESARIAL LTDANatal (RN)
- DUNAS PROJETOS E INSTALACOES DE GAS LTDANatal (RN)
- E C S LOPES SANTOS SERVICOS E INSTALACOES LTDANatal (RN)
- HYDRO TOP LTDANatal (RN)
- B&D SOLUCOES ENERGETICAS LTDANatal (RN)
- LEITE E SOUSA EMPREENDIMENTOS LTDANatal (RN)
- F M DE SOUZA INSTALACOES & CONSTRUCOES LTDANatal (RN)
- DOIS TEMPOS MANUTENCAO E SERVICOS INDUSTRIAIS LTDANatal (RN)
- D. M. INSTALACOES E MANUTENCAO DE CLIMATIZACAO , GAS E COZINHA INDUSTRIAL LTDANatal (RN)
- C S SOLUCOES TERMICAS LTDANatal (RN)
- ATHOS INSTALACOES ELETRICAS LTDANatal (RN)
- CONFORT ENERGY LTDANatal (RN)
- INSTALLE COMERCIO E SERVICOS LTDANatal (RN)
- EXPRESSO AQUECEDORES LTDANatal (RN)
- TEC BOMBAS RN COMERCIO E SERVICOS E LOCACAO LTDANatal (RN)
- SAO MIGUEL ARCANJO SERVICOS LTDANatal (RN)
- DOIS TEMPOS REDES & SOLUCOES EM GAS LTDANatal (RN)
- W ESCARIAO NOBREGA SISTEMA SOLARNatal (RN)
- JOSE OLIVEIRA TEIXEIRANatal (RN)
- ANGELO MARCOS GALDINO DA SILVANatal (RN)
- GEORGE BITTENCOURT SANTOSNatal (RN)
- OSVALDO DA SILVANatal (RN)
- CAIO O DE SOUSANatal (RN)
- ITALO HERVERSON DA SILVANatal (RN)
- PAULO ADRIANO SOARES DE LIMANatal (RN)
List limited to 95 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
- Natal (RN)0.1
- Rio Grande do Norte0.1
- Brazil0.1
In Natal (RN), the activity weighs less than in Brazil.
Rio Grande do Norte's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Natal 39.6% 95
- 2 Parnamirim 18.8% 45
- 3 Mossoró 10.0% 24
- 4 São Gonçalo do Amarante 5.0% 12
- 5 Extremoz 3.8% 9
- 6 Ceará-Mirim 3.3% 8
- 7 São José de Mipibu 2.1% 5
- 8 Macaíba 1.7% 4
- 9 São Miguel 1.2% 3
- 10 Ipanguaçu 0.8% 2
20 more cities
- 11 Monte Alegre 2
- 12 Passagem 2
- 13 Santana do Matos 2
- 14 Touros 2
- 15 Rio do Fogo 1
- 16 Tibau 1
- 17 São Miguel do Gostoso 1
- 18 Acari 1
- 19 Assú 1
- 20 Apodi 1
- 21 Bom Jesus 1
- 22 Brejinho 1
- 23 Canguaretama 1
- 24 Carnaúba dos Dantas 1
- 25 Currais Novos 1
- 26 Felipe Guerra 1
- 27 Goianinha 1
- 28 Guamaré 1
- 29 Jardim do Seridó 1
- 30 Jucurutu 1
Class 4322-3 in Natal (RN)
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás · this one | 95 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração | 575 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio | 41 |
Close to this: 4321-5/00 · Instalação e manutenção elétrica, 1,422 companies in Natal (RN).
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 Natal (RN)?
95 active companies have CNAE 4322-3/01 as their main activity in Natal (RN), according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.1 in Brazil.
Which of Rio Grande do Norte's cities has the most companies in this activity?
Natal, with 95, 39.6% 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 Natal (RN).