CNAE 4322-3/03 · São Paulo
Instalações de sistema de prevenção contra incêndio in São Paulo
3,082 active companies are headquartered in São Paulo with this CNAE as their main activity. They represent 36.1% 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 São Paulo
- 3,082
- 36.1% of Brazil's
- Of every 100 companies in São Paulo
- 0.0
- do this activity
- Among Brazil's federative units
- 1st
- by companies in this activity
Active companies in São Paulo
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 10- RBF - SISTEMAS DE SEGURANCA CONTRA INCENDIO LTDAPiracaia (SP)
- VILA FIRE SERVICOS LTDASão José do Rio Preto (SP)
- NIROFIRE TECNOLOGIA CONTRA INCENDIO LTDAGuarulhos (SP)
- G E L INSTALL COMERCIO E SERVICOS DE SISTEMAS ELETRO ELETRONICOS LTDATaubaté (SP)
- RONIFIRE SERVICOS E TECNOLOGIA AVANCADA PARA PREVENCAO DE INCENDIOS LTDASão Paulo (SP)
- GIGLIO ENGENHARIA LTDASão Paulo (SP)
- SINALERT INSTALACOES E MANUTENCAO LTDASão Paulo (SP)
- BWS MONTAGEM INDUSTRIAL LTDACosmópolis (SP)
- EXCO SYSTEMS DO BRASIL CONTROLE DE EXPLOSOES LTDASão Paulo (SP)
- BRAZCAMP TECNOLOGIA EM SISTEMAS DE SEGURANCA E INCENDIO LTDACampinas (SP)
- PURCINI & PURCINI LTDARibeirão Preto (SP)
- BRZ FIRE SOLUCAO CONTRA INCENDIO LTDAGuarulhos (SP)
- JS PROSPER LTDASorocaba (SP)
- MRN PROJECT & SERV FIRE LTDABarueri (SP)
- MRJ ENGENHARIA E PROJETOS LTDAPaulínia (SP)
- ON PROJETOS E SISTEMAS CONTRA INCENDIO LTDAJundiaí (SP)
- M.A.G. COMERCIO, RECARGA DE EQUIPAMENTOS CONTRA INCENDIOS E DE SEGURANCA PREDIAL LTDAMauá (SP)
- PETRO FIRE SOLUTIONS LTDAOsasco (SP)
- FALCON FIRE ENGENHARIA AVANCADA CONTRA INCENDIO SERVICOS LTDAGuarulhos (SP)
- AVOID FIRE COMERCIO E INSTALACAO DE SISTEMAS DE COMBATE A INCENDIO LTDASão Paulo (SP)
- DETECTA SDCI PROJETOS LTDAIndaiatuba (SP)
- GAMAFIRE SOLUCOES CONTRA INCENDIO LTDASão Paulo (SP)
- MAC FIRE SOLUCOES EM INSTALACOES LTDASão Paulo (SP)
- POLARIS - ADMINISTRACAO DE BENS E SERVICOS LTDASão Bernardo do Campo (SP)
- FIREMASTER SERVICOS E EQUIPAMENTOS CONTRA INCENDIOS LTDASalto (SP)
- GLOBAL INCENDIO SERVICOS E EQUIPAMENTOS LTDA.Salto (SP)
- MAKER ENGENHARIA COMERCIO E SERVICOS DE ISOLANTES LTDASão Paulo (SP)
- AMPERSYSTEMS LTDASão Paulo (SP)
- R3D ENGENHARIA E CONSTRUCAO LTDASão Paulo (SP)
- D F INSTALACOES DE SPRINKLERS E HIDRANTES LTDASão Paulo (SP)
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
- São Paulo0.0
- Brazil0.0
In São Paulo, the activity weighs 1.2 times what it does in Brazil.
São Paulo's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Paulo 32.3% 996
- 2 Guarulhos 5.0% 155
- 3 São Bernardo do Campo 3.0% 91
- 4 Campinas 2.8% 87
- 5 Santo André 2.5% 76
- 6 Sorocaba 2.2% 67
- 7 Osasco 1.8% 56
- 8 São José dos Campos 1.6% 49
- 9 Ribeirão Preto 1.4% 43
- 10 Praia Grande 1.4% 42
20 more cities
- 11 Diadema 39
- 12 Mogi das Cruzes 38
- 13 São José do Rio Preto 37
- 14 Mauá 36
- 15 Barueri 35
- 16 Jundiaí 34
- 17 Guarujá 31
- 18 Santos 31
- 19 Carapicuíba 28
- 20 Franca 28
- 21 Hortolândia 26
- 22 Taubaté 26
- 23 Cotia 24
- 24 Francisco Morato 22
- 25 Marília 21
- 26 São Carlos 21
- 27 Itapevi 20
- 28 Franco da Rocha 19
- 29 Taboão da Serra 19
- 30 Itaquaquecetuba 17
Class 4322-3 in São Paulo
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás | 12,362 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração | 26,501 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio · this one | 3,082 |
Close to this: 8020-0/01 · Atividades de monitoramento de sistemas de segurança eletrônico, 3,862 companies in São Paulo.
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 Paulo?
3,082 active companies have CNAE 4322-3/03 as their main activity in São Paulo, 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 São Paulo's cities has the most companies in this activity?
São Paulo, with 996, 32.3% 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 São Paulo.