CNAE 4322-3/03 · Rio Grande do Sul
Installation of fire prevention systems in Rio Grande do Sul
829 active companies are headquartered in Rio Grande do Sul with this CNAE as their main activity. They represent 9.7% 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 Rio Grande do Sul
- 829
- 9.7% of Brazil's
- Of every 100 companies in Rio Grande do Sul
- 0.0
- do this activity
- Among Brazil's federative units
- 3rd
- by companies in this activity
Active companies in Rio Grande do Sul
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 7 of 10- JMC SERVICO DE INSTALACAO LTDAPasso Fundo (RS)
- JOAO PEDRO RODRIGUES GARDIN LTDACruz Alta (RS)
- P. HENRIQUE BELLORINI LTDASapucaia do Sul (RS)
- 61.528.822 LTDACanoas (RS)
- SILVA PREVENCAO CONTRA INCENDIO LTDAPelotas (RS)
- SLO ENGENHARIA DE SEGURANCA CONTRA INCENDIO LTDAOsório (RS)
- PS ENGENHARIA PREVENCAO E SEGURANCA DO TRABALHO LTDAPorto Alegre (RS)
- BP SOLUCOES ELETRICAS & PPCI LTDASanta Maria (RS)
- GUARDIAN ENGENHARIA E EXTINTORES LTDAAlvorada (RS)
- C. ALVES DA SILVA E CIA LTDAPasso Fundo (RS)
- M&S MANUTENCAO E SEGURANCA CONTRA INCENDIO LTDAGramado (RS)
- PREVENFIRE EXTINTORES LTDASanta Cruz do Sul (RS)
- K G COMERCIO E SERVICOS CONTRA INCENDIO LTDAGuaíba (RS)
- PREVINE SOLUCOES CONTRA INCENDIOS LTDATorres (RS)
- MKR INSTALACOES LTDAPorto Alegre (RS)
- EFFECTUARE SERVICOS ESPECIALIZADOS LTDACaxias do Sul (RS)
- REBECHI - PROJETOS & CONSULTORIA LTDASapucaia do Sul (RS)
- FIRE HOUSE PREVENCAO CONTRA INCENDIO LTDASão Leopoldo (RS)
- MARCIO NICOLAU FAGUNDES BELMIRO LTDARestinga Sêca (RS)
- SISTEMFOGO CONSTRUTORA LTDACachoeirinha (RS)
- JOAO ALFREDO CAMARA MORAES LTDAUruguaiana (RS)
- EXTINTORES METROPOLITANO COMERCIO E SERVICOS LTDAEstância Velha (RS)
- PREVENSEG SOLUCOES EM SEGURANCA LTDA.Bento Gonçalves (RS)
- AEV SISTEMAS DE PREVENCAO DE INCENDIOS LTDAPorto Alegre (RS)
- PREVENTEX PRESTADORA DE SERVICOS LTDAPorto Alegre (RS)
- BOESEL & LIMA LTDAVale do Sol (RS)
- G. FLESCH CERVANTES & CIA LTDAPorto Alegre (RS)
- CLB EXTINTORES LTDACachoeirinha (RS)
- SAT COMERCIO DE EXTINTORES LTDASanta Cruz do Sul (RS)
- INVICTO SOLUCOES EM PREVENCAO LTDA.Gravataí (RS)
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
- Rio Grande do Sul0.0
- Brazil0.0
In Rio Grande do Sul, the activity weighs 1.6 times what it does in Brazil.
Rio Grande do Sul's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Porto Alegre 16.8% 139
- 2 Caxias do Sul 5.1% 42
- 3 Pelotas 4.7% 39
- 4 Sapucaia do Sul 4.3% 36
- 5 São Leopoldo 4.0% 33
- 6 Canoas 3.9% 32
- 7 Passo Fundo 3.7% 31
- 8 Viamão 3.4% 28
- 9 Novo Hamburgo 3.0% 25
- 10 Santa Maria 2.5% 21
20 more cities
- 11 Sapiranga 21
- 12 Alvorada 20
- 13 Gravataí 19
- 14 Cachoeirinha 17
- 15 Erechim 15
- 16 Bento Gonçalves 12
- 17 Uruguaiana 11
- 18 Camaquã 10
- 19 Campo Bom 10
- 20 Cruz Alta 10
- 21 Guaíba 10
- 22 Santa Rosa 10
- 23 Estância Velha 9
- 24 Santa Cruz do Sul 9
- 25 Torres 9
- 26 Taquara 8
- 27 Esteio 6
- 28 Imbé 5
- 29 Frederico Westphalen 5
- 30 Gramado 5
Class 4322-3 in Rio Grande do Sul
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Plumbing, sanitary and gas installations | 3,197 |
| 4322-3/02 Installation and maintenance of central air conditioning, ventilation and refrigeration systems | 6,796 |
| 4322-3/03 Installation of fire prevention systems · this one | 829 |
Close to this: 8020-0/01 · Monitoring of electronic security systems, 1,043 companies in Rio Grande do Sul.
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 Rio Grande do Sul?
829 active companies have CNAE 4322-3/03 as their main activity in Rio Grande do Sul, 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 Sul's cities has the most companies in this activity?
Porto Alegre, with 139, 16.8% 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 Rio Grande do Sul.