CNAE 4322-3/03 · Alagoas
Installation of fire prevention systems in Alagoas
53 active companies are headquartered in Alagoas with this CNAE as their main activity. They represent 0.6% 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
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 Alagoas
- 53
- 0.6% of Brazil's
- Of every 100 companies in Alagoas
- 0.0
- do this activity
- Among Brazil's federative units
- 20th
- by companies in this activity
Active companies in Alagoas
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 2- SONALY ROSE RIBEIRO BIANORMaceió (AL)
- MACIEL TENORIO DE MENEZESRio Largo (AL)
- LORENA KESIA SILVA ZEFERINO DE LIMAMaceió (AL)
- MARIA CLARA DE SOUZA TAVARES ANDRADEIbateguara (AL)
- ALBERTO SANTOS DA SILVA JUNIORMaceió (AL)
- JOSIELMA CABRAL DOS SANTOS NUNESMaceió (AL)
- JOSE ROMARIO FERREIRAArapiraca (AL)
- SILVIA LETICIA CORREIA DE LIMARio Largo (AL)
- MARCOS VINICIUS CARVALHO VILA NOVADelmiro Gouveia (AL)
- LAUDICEIA ALVES DOS SANTOSMaceió (AL)
- ALEF RIAN SANTOS DA SILVASão Luís do Quitunde (AL)
- FRANCIEL CAVALCANTE DA SILVAMaceió (AL)
- LUIZ CARLOS ROSAS FERREIRA NETOMaceió (AL)
- JOSE CICERO NUNESMaceió (AL)
- JOSE WILSON MARQUES NICANDIDOPorto Calvo (AL)
- DANIELE HENRIQUES SIMPLICIOMaragogi (AL)
- MANOEL SOARES DA SILVAMaceió (AL)
- WEVERTON MARCOS MIGUELMaceió (AL)
- ADEILDO BENICIO DA SILVAMaceió (AL)
- MARIA JANUZIL DE OLIVEIRA SILVAMaragogi (AL)
- MARISTELA DE SOUZA SANTOSArapiraca (AL)
- CARLOS IVENS MACHADO DE OLIVEIRAMaceió (AL)
- SILVIA MARIA RAMOS MIRANDAMaceió (AL)
List limited to 53 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
- Alagoas0.0
- Brazil0.0
In Alagoas, the activity weighs less than in Brazil.
Alagoas's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Maceió 64.2% 34
- 2 Arapiraca 5.7% 3
- 3 Rio Largo 5.7% 3
- 4 Maragogi 3.8% 2
- 5 São Miguel dos Campos 3.8% 2
- 6 Barra de Santo Antônio 1.9% 1
- 7 Delmiro Gouveia 1.9% 1
- 8 Ibateguara 1.9% 1
- 9 Marechal Deodoro 1.9% 1
- 10 Penedo 1.9% 1
4 more cities
- 11 Porto Calvo 1
- 12 São Luís do Quitunde 1
- 13 Tanque d'Arca 1
- 14 Viçosa 1
Class 4322-3 in Alagoas
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Plumbing, sanitary and gas installations | 206 |
| 4322-3/02 Installation and maintenance of central air conditioning, ventilation and refrigeration systems | 1,122 |
| 4322-3/03 Installation of fire prevention systems · this one | 53 |
Close to this: 8020-0/01 · Monitoring of electronic security systems, 102 companies in Alagoas.
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 Alagoas?
53 active companies have CNAE 4322-3/03 as their main activity in Alagoas, 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 Alagoas's cities has the most companies in this activity?
Maceió, with 34, 64.2% 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 Alagoas.