CNAE 4322-3/03 · Natal (RN)
Installation of fire prevention systems in Natal (RN)
41 active companies are headquartered in Natal (RN) with this CNAE as their main activity. They represent 0.5% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 8,539 · Rio Grande do Norte 92
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)
- 41
- 0.5% of Brazil's
- Of every 100 companies in Natal (RN)
- 0.0
- 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 2 of 2- KALIANA DE OLIVEIRA FERREIRANatal (RN)
- CASSIO ANTUNES FERREIRA DA SILVANatal (RN)
- JAILSON FERREIRA DA SILVANatal (RN)
- MARISLANE SILVA DE SOUZA NUNES DE SANatal (RN)
- SHEYLLA CHRYSTYANE YAMAMOTO SANTOSNatal (RN)
- EVERSON MARLON DOS SANTOSNatal (RN)
- CLEBER AUGUSTO FERREIRA DE LIMANatal (RN)
- ANDERSON ALEX LIMA DA SILVANatal (RN)
- RAYANDSSON MAIA SOUZANatal (RN)
- LIDIEDSON AVELINO DA SILVANatal (RN)
- MAURICIO HERACLIO GALVAO DE MESQUITA FERNANDESNatal (RN)
List limited to 41 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)0.0
- Rio Grande do Norte0.0
- Brazil0.0
In Natal (RN), the activity weighs 1.2 times what it does 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 44.6% 41
- 2 Parnamirim 15.2% 14
- 3 Mossoró 14.1% 13
- 4 Macaíba 7.6% 7
- 5 São Gonçalo do Amarante 7.6% 7
- 6 Bom Jesus 4.3% 4
- 7 Assú 1.1% 1
- 8 Caicó 1.1% 1
- 9 Goianinha 1.1% 1
- 10 Lagoa de Velhos 1.1% 1
2 more cities
- 11 Santa Cruz 1
- 12 São Bento do Trairí 1
Class 4322-3 in Natal (RN)
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Plumbing, sanitary and gas installations | 95 |
| 4322-3/02 Installation and maintenance of central air conditioning, ventilation and refrigeration systems | 575 |
| 4322-3/03 Installation of fire prevention systems · this one | 41 |
Close to this: 8020-0/01 · Monitoring of electronic security systems, 110 companies in Natal (RN).
What activity 4322-3/03 is
- A instalação, alteração, manutenção e reparo, em todos os tipos de construções, de sistemas de prevenção contra incêndio
Frequently asked questions
How many companies have main CNAE 4322-3/03 in Natal (RN)?
41 active companies have CNAE 4322-3/03 as their main activity in Natal (RN), according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.
Which of Rio Grande do Norte's cities has the most companies in this activity?
Natal, with 41, 44.6% 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).