CNAE 4329-1/05 · Rio Grande do Sul
Thermal, acoustic or vibration insulation in Rio Grande do Sul
190 active companies are headquartered in Rio Grande do Sul with this CNAE as their main activity. They represent 5.3% 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
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
- 190
- 5.3% of Brazil's
- Of every 100 companies in Rio Grande do Sul
- 0.0
- do this activity
- Among Brazil's federative units
- 6th
- 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 2 of 7- NNM PROJETOS EM ENGENHARIA DE AUDIO LTDAPorto Alegre (RS)
- EDALTAR LUCCA GARZONSanta Maria (RS)
- JEAN SILVA DE SOUZATaquari (RS)
- JONAS TIAGO FERNANDESCaxias do Sul (RS)
- LUCAS THOMASNova Candelária (RS)
- JOSE RENALDO AQUINOMontenegro (RS)
- JOSUE CEZAR DIDOParaí (RS)
- LUIZ ALBERTO PLANTES TEIXEIRAPorto Alegre (RS)
- NILCIO SOUZA AMARALRio Grande (RS)
- RUDINEI DUMKESeberi (RS)
- GILVANE DE SIQUEIRA BRILHANTESanta Maria (RS)
- VALDOMIRO FONTOURA LOPESSanta Maria (RS)
- MARCIO RODRIGO MENINNova Prata (RS)
- RODRIGO ROXO BERNARDOGravataí (RS)
- PAULO ROBERTO FRAGA LUCAPorto Alegre (RS)
- JACKSON DA SILVA SCHERPasso Fundo (RS)
- ANA PAULA KAZANOWSKI MARQUESCanoas (RS)
- ALESSANDRO PALHANO DA SILVACaxias do Sul (RS)
- ALESSANDRO MALINSKICentenário (RS)
- GRACIELA PACHECO DA SILVAPorto Alegre (RS)
- MARCOS RODRIGO DE MATOSCaxias do Sul (RS)
- IVO ZORASKIErechim (RS)
- MARLI ROXO MACHADOCachoeirinha (RS)
- RODRIGO PINTO FISCUKPorto Alegre (RS)
- NEDIO MARINO CUNICOCaxias do Sul (RS)
- JACI HELENA DUTRA GONCALVES ISOLAMENTOSCanoas (RS)
- JULIANO MACHADO DA SILVAPorto Alegre (RS)
- TAIS JACI FELIPETTO GREGIOSão Leopoldo (RS)
- EVANDRO OSTROSKIBarão de Cotegipe (RS)
- GEOVANE TONETTOSanta Maria (RS)
List limited to 190 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 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 Rio Grande do Sul
obras de instalações em construções não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 4329-1/01 Installation of advertising signs | 586 |
| 4329-1/02 Installation of navigation aid equipment for sea, river and lake navigation | 31 |
| 4329-1/03 Installation, maintenance and repair of elevators, escalators and moving walkways | 462 |
| 4329-1/04 Assembly and installation of lighting and signaling systems on public roads, ports and airports | 168 |
| 4329-1/05 Thermal, acoustic or vibration insulation · this one | 190 |
| 4329-1/99 Other building installation works not elsewhere classified | 150 |
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 Rio Grande do Sul?
190 active companies have CNAE 4329-1/05 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 30, 15.8% 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.