CNAE 4329-1/05 · Maranhão
Tratamentos térmicos, acústicos ou de vibração in Maranhão
22 active companies are headquartered in Maranhão with this CNAE as their main activity. They represent 0.6% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 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 Maranhão
- 22
- 0.6% of Brazil's
- Of every 100 companies in Maranhão
- 0.0
- do this activity
- Among Brazil's federative units
- 19th
- by companies in this activity
Active companies in Maranhão
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- PATRICIA PEREIRA DOS SANTOS MATOSSão José de Ribamar (MA)
- P H P BARBOSA SERVICOS DE MANTASão Luís (MA)
- EDUARDA PEREIRA MARTINSJoão Lisboa (MA)
- FRANCEILSON VIANA DOS SANTOSIgarapé do Meio (MA)
- ROBERTA DE SALESPaulo Ramos (MA)
- ELIELSON PEREIRA DOS SANTOS SILVAHumberto de Campos (MA)
- FRANKLIM REMYLSON DE SOUSA SILVASão José de Ribamar (MA)
- RAIMUNDO DANIEL CAMARA SANTOSSão Luís (MA)
- DIOGO ROBERTO DA SILVA MACHADOSão Luís (MA)
- EDILA KARINE SERRA SANTOSSão Luís (MA)
- VICTOR GABRIEL DA SILVA FELIX DE OLIVEIRAImperatriz (MA)
- MARCIO ANTONIO LIMA SANTOSSão José de Ribamar (MA)
- VANDER GLEYSSON OLIVEIRA MORAISSão Luís (MA)
- MARIA FRANCIANE SANTOS MARINHOSão Luís (MA)
- FRANCISCO BRUNO ARAUJO HOLANDASão Luís (MA)
- SOLONNALDO BARROS DA SILVASão Luís (MA)
- LUCAS OLIVEIRA DA SILVASão Luís (MA)
- BRUNO FEITOSA DE OLIVEIRAImperatriz (MA)
- JOAO VICTOR DIAS SILVAPaço do Lumiar (MA)
- ANA BEATRIZ PINTO FERREIRASão Luís (MA)
- FRANCLEDSON BESERRA DA CUNHASão Luís (MA)
- JHONATAN RAMOS DOS SANTOSSão Luís (MA)
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
- Maranhão0.0
- Brazil0.0
In Maranhão, the activity weighs less than in Brazil.
Maranhão's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Luís 54.5% 12
- 2 São José de Ribamar 13.6% 3
- 3 Imperatriz 9.1% 2
- 4 Igarapé do Meio 4.5% 1
- 5 Humberto de Campos 4.5% 1
- 6 João Lisboa 4.5% 1
- 7 Paço do Lumiar 4.5% 1
- 8 Paulo Ramos 4.5% 1
Class 4329-1 in Maranhão
obras de instalações em construções não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 4329-1/01 Instalação de painéis publicitários | 115 |
| 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 | 49 |
| 4329-1/04 Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos | 120 |
| 4329-1/05 Tratamentos térmicos, acústicos ou de vibração · this one | 22 |
| 4329-1/99 Outras obras de instalações em construções não especificadas anteriormente | 16 |
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 Maranhão?
22 active companies have CNAE 4329-1/05 as their main activity in Maranhão, 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 Maranhão's cities has the most companies in this activity?
São Luís, with 12, 54.5% 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 Maranhão.