CNAE 4322-3/03 · Porto Alegre (RS)
Instalações de sistema de prevenção contra incêndio in Porto Alegre (RS)
139 active companies are headquartered in Porto Alegre (RS) with this CNAE as their main activity. They represent 1.6% 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 · Rio Grande do Sul 829
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 Porto Alegre (RS)
- 139
- 1.6% of Brazil's
- Of every 100 companies in Porto Alegre (RS)
- 0.0
- do this activity
- Among Rio Grande do Sul's cities
- 1st
- by companies in this activity
Active companies in Porto Alegre (RS)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 5- MARCELO LEMEX PPCI EXTINTORES LTDAPorto Alegre (RS)
- LEMEX MARCELO PPCI E ASSESSORIA LTDAPorto Alegre (RS)
- PRESTAT SERVICOS PREVENCAO CONTRA INCENDIO LTDAPorto Alegre (RS)
- SEGURIX SEGURANCA CONTRA INCENDIO LTDAPorto Alegre (RS)
- MACIL MATERIAL ASSISTENCIA CONTRA INCENDIO LTDAPorto Alegre (RS)
- SAT - SERVICOS E ASSESSORIA TECNICA EM PREVENCAO LTDAPorto Alegre (RS)
- L T SERVICOS DE PREVENCAO DE INCENDIOS LTDAPorto Alegre (RS)
- G&D ENGENHARIA E ASSESSORIA TECNICA LTDAPorto Alegre (RS)
- PREVCLASS PREVENCAO DE INCENDIO PARA ESCOLAS LTDAPorto Alegre (RS)
- VXFIRE COMERCIO E REPRESENTACOES LTDAPorto Alegre (RS)
- SEGURANCA DO SUL SISTEMAS DE SEGUNCA DIGITAL LTDAPorto Alegre (RS)
- ANS SOLUCOES DE COMBATE A INCENDIOS LTDAPorto Alegre (RS)
- TREINAMENTO BOMBEIRO CIVIL E PROJETOS PPCI LTDAPorto Alegre (RS)
- M&L PREVENCAO CONTRA INCENDIO LTDAPorto Alegre (RS)
- COMBAT PREVENCAO TOTAL CONTRA INCENDIO LTDAPorto Alegre (RS)
- KNP PPCI LTDAPorto Alegre (RS)
- CONSET-SUL ENGENHARIA LTDAPorto Alegre (RS)
- WAH ENGENHARIA E SISTEMAS LTDAPorto Alegre (RS)
- MICSUL EXTINTORES PREVENCAO CONTRA INCENDIO LTDAPorto Alegre (RS)
- I W ENGENHARIA LTDAPorto Alegre (RS)
- RV-PRESTADORA DE SERVICOS LTDAPorto Alegre (RS)
- SUPERNOVA ENGENHARIA DE INCENDIO LTDAPorto Alegre (RS)
- PROTEGE COMERCIO DE EXTINTORES LTDAPorto Alegre (RS)
- KRAHE ENGENHARIA LTDAPorto Alegre (RS)
- ROTTA XAVIER ENGENHARIA LTDAPorto Alegre (RS)
- TEKFIRE SISTEMAS DE SEGURANCA E AUTOMACAO LTDAPorto Alegre (RS)
- RODRIGUES E BRITTO PREVENCAO CONTRA INCENDIO LTDAPorto Alegre (RS)
- LC PREVE LTDAPorto Alegre (RS)
- EQE MANUTENCAO E GESTAO DE PROJETOS LTDAPorto Alegre (RS)
- PROTEX PREVENCAO CONTRA INCENDIO LTDAPorto Alegre (RS)
List limited to 139 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
- Porto Alegre (RS)0.0
- Rio Grande do Sul0.0
- Brazil0.0
In Porto Alegre (RS), 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 Porto Alegre (RS)
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás | 457 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração | 903 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio · this one | 139 |
Close to this: 8020-0/01 · Atividades de monitoramento de sistemas de segurança eletrônico, 186 companies in Porto Alegre (RS).
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 Porto Alegre (RS)?
139 active companies have CNAE 4322-3/03 as their main activity in Porto Alegre (RS), 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 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 Porto Alegre (RS).