CNAE 4322-3/03 · São Luís (MA)
Instalações de sistema de prevenção contra incêndio in São Luís (MA)
94 active companies are headquartered in São Luís (MA) with this CNAE as their main activity. They represent 1.1% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
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 São Luís (MA)
- 94
- 1.1% of Brazil's
- Of every 100 companies in São Luís (MA)
- 0.1
- do this activity
- Among Maranhão's cities
- 1st
- by companies in this activity
Active companies in São Luís (MA)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 4- CONSTRUTORA RENOVA LTDASão Luís (MA)
- LUMINAR JF LTDASão Luís (MA)
- ALPHA FIRE LTDASão Luís (MA)
- HIDRANTE SERVICOS LTDASão Luís (MA)
- SAFE SOLUCOES LTDASão Luís (MA)
- 4M INSTALACOES HIDRAULICAS E PREVENCAO A INCENDIOS LTDASão Luís (MA)
- FERNANDO CAMPOS PINHEIRO LTDASão Luís (MA)
- E L SILVA NUNES LTDASão Luís (MA)
- OCEAN FIRE COMERCIO E SERVICOS LTDASão Luís (MA)
- CALIMAX EQUIPAMENTOS E SERVICOS LTDASão Luís (MA)
- LP ENGENHARIA LTDASão Luís (MA)
- WANDERSON SANTOS ENGENHARIA LTDASão Luís (MA)
- J.A.P PREVFIRE MONTAGEM LTDASão Luís (MA)
- I B M CONSULTORIAS E TREINAMENTOS LTDASão Luís (MA)
- A7 FOGO LTDASão Luís (MA)
- L M BITTENCOURT LTDASão Luís (MA)
- RAIOTEC SISTEMAS E EQUIPAMENTOS DE COMBATE A INCENDIO LTDASão Luís (MA)
- SUZANE SARAIVA SAUAIASão Luís (MA)
- DJANGO BRAGA COELHOSão Luís (MA)
- J. JORGE PEREIRASão Luís (MA)
- THAYNARA BRINGEL DA CRUZSão Luís (MA)
- S DE J N ALVESSão Luís (MA)
- CLEAIDA F DA SILVASão Luís (MA)
- LUAN WAGNER ARAUJO MONTEIROSão Luís (MA)
- LUIS FELIPE DE SOUSA ARAGAOSão Luís (MA)
- JAILSON MAXIMO SOARESSão Luís (MA)
- JUAN DIEGO PEREIRA BORGESSão Luís (MA)
- C R B LOPESSão Luís (MA)
- A S CORREIA SERVICOS E COMERCIOSão Luís (MA)
- LEONEL MACARIO CARVALHO DA SILVASão Luís (MA)
List limited to 94 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
- São Luís (MA)0.1
- Maranhão0.0
- Brazil0.0
In São Luís (MA), the activity weighs 2.7 times what it does in Brazil.
Maranhão's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Luís 64.4% 94
- 2 São José de Ribamar 11.6% 17
- 3 Açailândia 5.5% 8
- 4 Paço do Lumiar 3.4% 5
- 5 Imperatriz 2.7% 4
- 6 Caxias 2.1% 3
- 7 Codó 1.4% 2
- 8 Coelho Neto 1.4% 2
- 9 Palmeirândia 1.4% 2
- 10 Timon 1.4% 2
7 more cities
- 11 Igarapé do Meio 1
- 12 Balsas 1
- 13 Barra do Corda 1
- 14 Barreirinhas 1
- 15 Pinheiro 1
- 16 Santa Inês 1
- 17 Estreito 1
Class 4322-3 in São Luís (MA)
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás | 117 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração | 708 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio · this one | 94 |
Close to this: 8020-0/01 · Atividades de monitoramento de sistemas de segurança eletrônico, 83 companies in São Luís (MA).
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 São Luís (MA)?
94 active companies have CNAE 4322-3/03 as their main activity in São Luís (MA), according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.0 in Brazil.
Which of Maranhão's cities has the most companies in this activity?
São Luís, with 94, 64.4% 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 São Luís (MA).