CNAE 4329-1/05 · Alagoas
Thermal, acoustic or vibration insulation in Alagoas
40 active companies are headquartered in Alagoas with this CNAE as their main activity. They represent 1.1% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 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 Alagoas
- 40
- 1.1% of Brazil's
- Of every 100 companies in Alagoas
- 0.0
- do this activity
- Among Brazil's federative units
- 16th
- by companies in this activity
Active companies in Alagoas
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 2- VALDOMIRO PEREIRA DOS SANTOS FILHOMaceió (AL)
- NIVALDO BARROS SANTOSMaceió (AL)
- MARIA DE FATIMA DOS SANTOSMaceió (AL)
- CASSIO CAMILO CAVALCANTE DE MORAESMaceió (AL)
- CICERO PEDRO DE ESPINDOLAMaceió (AL)
- RIVANIO DA SILVA FRAZAOMaceió (AL)
- MARCIO MELO FEITOSA DE OLIVEIRABatalha (AL)
- CRISTHIAN DAVID FERREIRA DE LIMAMaceió (AL)
- JOSE AMAURI ALMEIDA DOS SANTOSMaceió (AL)
- BRENO HENRIQUE DOS SANTOS SILVAMarechal Deodoro (AL)
List limited to 40 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
- Alagoas0.0
- Brazil0.0
In Alagoas, the activity weighs 1.3 times what it does in Brazil.
Alagoas's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Maceió 55.0% 22
- 2 Rio Largo 7.5% 3
- 3 São José da Laje 7.5% 3
- 4 São Miguel dos Campos 5.0% 2
- 5 Arapiraca 2.5% 1
- 6 Atalaia 2.5% 1
- 7 Batalha 2.5% 1
- 8 Coqueiro Seco 2.5% 1
- 9 Coruripe 2.5% 1
- 10 Ibateguara 2.5% 1
4 more cities
- 11 Marechal Deodoro 1
- 12 Passo de Camaragibe 1
- 13 Piranhas 1
- 14 São Miguel dos Milagres 1
Class 4329-1 in Alagoas
obras de instalações em construções não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 4329-1/01 Installation of advertising signs | 81 |
| 4329-1/02 Installation of navigation aid equipment for sea, river and lake navigation | 1 |
| 4329-1/03 Installation, maintenance and repair of elevators, escalators and moving walkways | 46 |
| 4329-1/04 Assembly and installation of lighting and signaling systems on public roads, ports and airports | 21 |
| 4329-1/05 Thermal, acoustic or vibration insulation · this one | 40 |
| 4329-1/99 Other building installation works not elsewhere classified | 11 |
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 Alagoas?
40 active companies have CNAE 4329-1/05 as their main activity in Alagoas, 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 Alagoas's cities has the most companies in this activity?
Maceió, with 22, 55.0% 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 Alagoas.