CNAE 4329-1/02 · Rio das Ostras (RJ)
Instalação de equipamentos para orientação à navegação marítima fluvial e lacustre in Rio das Ostras (RJ)
14 active companies are headquartered in Rio das Ostras (RJ) 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 887 · Rio de Janeiro 309
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 Rio das Ostras (RJ)
- 14
- 1.6% of Brazil's
- Of every 100 companies in Rio das Ostras (RJ)
- 0.1
- do this activity
- Among Rio de Janeiro's cities
- 7th
- by companies in this activity
Active companies in Rio das Ostras (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- VERIPOS BRASIL LTDA.Rio das Ostras (RJ)
- APROAR ELETRONICA NAVAL LTDARio das Ostras (RJ)
- ALVARO HENRIQUES SILVEIRA LTDARio das Ostras (RJ)
- LUMAR CONSULTORIA OFFSHORE E TREINAMENTOS LTDARio das Ostras (RJ)
- NEY JORGE GONCALVES NETO LTDARio das Ostras (RJ)
- GONCALVES SERVICOS, CONSULTORIA E TREINAMENTOS LTDARio das Ostras (RJ)
- JOSE DE FATIMA FREITASRio das Ostras (RJ)
- DANIEL MELO DAMINELLIRio das Ostras (RJ)
- CASSIO HENRIQUE SILVA DE ALMEIDARio das Ostras (RJ)
- HIAGO FOURNY NASCIMENTORio das Ostras (RJ)
- ATHOS MANHAES DE SOUZARio das Ostras (RJ)
- ERICK MATTOS DE SOUZARio das Ostras (RJ)
- LAION VINICIUS RODRIGUES MEDEIROSRio das Ostras (RJ)
- FELIPE OLIVEIRA DE BARCELOSRio das Ostras (RJ)
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 das Ostras (RJ)0.1
- Rio de Janeiro0.0
- Brazil0.0
In Rio das Ostras (RJ), the activity weighs 19.4 times what it does in Brazil.
Rio de Janeiro's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Rio de Janeiro 30.4% 94
- 2 Niterói 17.8% 55
- 3 São Gonçalo 9.4% 29
- 4 Macaé 8.7% 27
- 5 Angra dos Reis 4.9% 15
- 6 Maricá 4.9% 15
- 7 Rio das Ostras 4.5% 14
- 8 Campos dos Goytacazes 2.9% 9
- 9 Cabo Frio 2.3% 7
- 10 Nova Iguaçu 1.9% 6
18 more cities
- 11 Mangaratiba 5
- 12 Belford Roxo 3
- 13 Araruama 3
- 14 Duque de Caxias 3
- 15 Paraty 3
- 16 Guapimirim 2
- 17 Barra Mansa 2
- 18 Itaguaí 2
- 19 Nova Friburgo 2
- 20 Rio Bonito 2
- 21 São Pedro da Aldeia 2
- 22 Teresópolis 2
- 23 Volta Redonda 2
- 24 Carapebus 1
- 25 Mesquita 1
- 26 Itaboraí 1
- 27 Petrópolis 1
- 28 Arraial do Cabo 1
Class 4329-1 in Rio das Ostras (RJ)
obras de instalações em construções não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 4329-1/01 Instalação de painéis publicitários | 6 |
| 4329-1/02 Instalação de equipamentos para orientação à navegação marítima fluvial e lacustre · this one | 14 |
| 4329-1/03 Instalação, manutenção e reparação de elevadores, escadas e esteiras rolantes | 2 |
| 4329-1/04 Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos | 6 |
| 4329-1/05 Tratamentos térmicos, acústicos ou de vibração | 5 |
| 4329-1/99 Outras obras de instalações em construções não especificadas anteriormente | 2 |
What activity 4329-1/02 is
- A instalação de equipamentos para orientação à navegação marítima, fluvial e lacustre
Frequently asked questions
How many companies have main CNAE 4329-1/02 in Rio das Ostras (RJ)?
14 active companies have CNAE 4329-1/02 as their main activity in Rio das Ostras (RJ), according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.0 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 94, 30.4% 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 Rio das Ostras (RJ).