CNAE 4329-1/05 · Porto Alegre (RS)
Tratamentos térmicos, acústicos ou de vibração in Porto Alegre (RS)
30 active companies are headquartered in Porto Alegre (RS) with this CNAE as their main activity. They represent 0.8% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 3,582 · Rio Grande do Sul 190
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)
- 30
- 0.8% 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.- FLEX FILM PELICULAS LTDAPorto Alegre (RS)
- CACE SERVICOS DE REVESTIMENTO E IMPERMEABILIZACAO LTDAPorto Alegre (RS)
- FAUZY MOHAMAD ABDUL KHALEK LTDAPorto Alegre (RS)
- ALVES IMPERMEABILIZACAO LTDAPorto Alegre (RS)
- AMP IMPERMEABILIZACAO LTDAPorto Alegre (RS)
- NNM PROJETOS EM ENGENHARIA DE AUDIO LTDAPorto Alegre (RS)
- LUIZ ALBERTO PLANTES TEIXEIRAPorto Alegre (RS)
- PAULO ROBERTO FRAGA LUCAPorto Alegre (RS)
- GRACIELA PACHECO DA SILVAPorto Alegre (RS)
- RODRIGO PINTO FISCUKPorto Alegre (RS)
- JULIANO MACHADO DA SILVAPorto Alegre (RS)
- JEFFERSON CARDOSO ARELLANOPorto Alegre (RS)
- BRUNO GOMES DE SOUZAPorto Alegre (RS)
- GILHARA PERES DOS SANTOSPorto Alegre (RS)
- DIEGO RICARDO CUTI DE MELOPorto Alegre (RS)
- LUCAS ROSA DA SILVAPorto Alegre (RS)
- MARCELO DA SILVA VIEIRAPorto Alegre (RS)
- REGINA PEREIRA SOARESPorto Alegre (RS)
- JOAO ANILDO GODOISPorto Alegre (RS)
- RICARDO BRANCO ROGOSKIPorto Alegre (RS)
- LETICIA SILVEIRA PAIMPorto Alegre (RS)
- EDEVALDO RAMAO MONSON GODOIPorto Alegre (RS)
- RODRIGO DA COSTA RODRIGUESPorto Alegre (RS)
- EDSON LUIS SCHRODERPorto Alegre (RS)
- DIEGO PEREIRA RODRIGUESPorto Alegre (RS)
- NILTON LUIS CARDOSO GLORIAPorto Alegre (RS)
- LEANDRO DORNELES MATIASPorto Alegre (RS)
- FABRICIO LOPES SOARESPorto Alegre (RS)
- EMANUEL MONTEIRO CLAROSPorto Alegre (RS)
- IVO DOS SANTOS PINTOPorto Alegre (RS)
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 less than 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 15.8% 30
- 2 Canoas 11.6% 22
- 3 Caxias do Sul 8.9% 17
- 4 Gravataí 4.7% 9
- 5 Novo Hamburgo 3.2% 6
- 6 Santa Maria 3.2% 6
- 7 Passo Fundo 2.6% 5
- 8 Rio Grande 2.6% 5
- 9 Alvorada 2.1% 4
- 10 Erechim 2.1% 4
20 more cities
- 11 Estrela 4
- 12 Pelotas 4
- 13 Viamão 4
- 14 Nova Hartz 3
- 15 Montenegro 3
- 16 Santa Cruz do Sul 3
- 17 São Leopoldo 3
- 18 Sapucaia do Sul 3
- 19 Veranópolis 3
- 20 Centenário 2
- 21 Bento Gonçalves 2
- 22 Campo Bom 2
- 23 Quaraí 2
- 24 Santa Rosa 2
- 25 São Jerônimo 2
- 26 Capão da Canoa 2
- 27 Nova Candelária 1
- 28 Mormaço 1
- 29 Carlos Gomes 1
- 30 Terra de Areia 1
Class 4329-1 in Porto Alegre (RS)
obras de instalações em construções não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 4329-1/01 Instalação de painéis publicitários | 111 |
| 4329-1/02 Instalação de equipamentos para orientação à navegação marítima fluvial e lacustre | 11 |
| 4329-1/03 Instalação, manutenção e reparação de elevadores, escadas e esteiras rolantes | 107 |
| 4329-1/04 Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos | 24 |
| 4329-1/05 Tratamentos térmicos, acústicos ou de vibração · this one | 30 |
| 4329-1/99 Outras obras de instalações em construções não especificadas anteriormente | 41 |
What activity 4329-1/05 is
- Os serviços de tratamento térmico, acústico ou de vibração
Frequently asked questions
How many companies have main CNAE 4329-1/05 in Porto Alegre (RS)?
30 active companies have CNAE 4329-1/05 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 30, 15.8% 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).