CNAE 4329-1/02 · Rio de Janeiro
Instalação de equipamentos para orientação à navegação marítima fluvial e lacustre in Rio de Janeiro
309 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 34.8% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 887
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 de Janeiro
- 309
- 34.8% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 1st
- by companies in this activity
Active companies in Rio de Janeiro
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- BELGA MARINE SERVICOS DE ELETRONICA NAVAL LTDARio de Janeiro (RJ)
- RIO INTERPORT CONSULT ENGENHARIA LTDANiterói (RJ)
- CS SERVICOS MARITIMOS LTDANiterói (RJ)
- VILANIR AMBIENTAL SERVICOS BATIMETRICOS, CONSULTORIA E PROJETOS LTDAMaricá (RJ)
- CARVIC COMERCIO E SERVICOS LTDAMacaé (RJ)
- NOVA ARQUITETURA COSTA DO SOL LTDACabo Frio (RJ)
- AC SERVICOS MARITIMOS LTDANiterói (RJ)
- JAM SOLUTION SERVICOS ELETRICOS LTDAMacaé (RJ)
- SUBSEA CONSTRUCTION 7 LTDARio de Janeiro (RJ)
- THIAGO DE FRIAS FERREIRA APOIO A NAVEGACAO LTDARio de Janeiro (RJ)
- COSTA MARINE ELETRONICA NAVAL LTDAMaricá (RJ)
- PAPERWORK OFFSHORE ASSESSORIA LTDAMacaé (RJ)
- LLG OFFSHORE SERVICES LTDANiterói (RJ)
- MENEZES SERVICOS TECNICOS E DE APOIO LTDACabo Frio (RJ)
- RNA SERVICOS ELETRONICOS NAVAIS LTDARio de Janeiro (RJ)
- JOAO DURVAL SERVICOS MARITIMOS LTDANiterói (RJ)
- MARCOS DE ARAUJO INSTALACOES LTDAAraruama (RJ)
- JLF ROBOTICS LTDARio de Janeiro (RJ)
- PANDORA CVJ LTDAMacaé (RJ)
- AUREAMAR NAUTICA E COMERCIO LTDARio de Janeiro (RJ)
- ROSA DOS VENTOS SERVICOS MARITIMOS LTDAMangaratiba (RJ)
- FACLEM SERVICOS OFFSHORE LTDACarapebus (RJ)
- JM SERVICOS NAUTICOS ELETRICA E ELETRONICOS LTDAAngra dos Reis (RJ)
- MAR ORIENTE INSTALACOES DE SISTEMAS PARA NAVEGACAO LTDAMacaé (RJ)
- BTEC ELETRONICA NAVAL LTDANiterói (RJ)
- DORIA'S MARINE SURVEYS LTDAVolta Redonda (RJ)
- SS OPERATIONS LTDASão Gonçalo (RJ)
- DEMETRIUS DE ALMEIDA TAVARES LTDARio de Janeiro (RJ)
- LEONARDO RIBEIRO DA SILVAA LTDANiterói (RJ)
- FT SURVEY PRO LTDARio de Janeiro (RJ)
List limited to 300 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 de Janeiro0.0
- Brazil0.0
In Rio de Janeiro, the activity weighs 4.2 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 de Janeiro
obras de instalações em construções não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 4329-1/01 Instalação de painéis publicitários | 892 |
| 4329-1/02 Instalação de equipamentos para orientação à navegação marítima fluvial e lacustre · this one | 309 |
| 4329-1/03 Instalação, manutenção e reparação de elevadores, escadas e esteiras rolantes | 700 |
| 4329-1/04 Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos | 322 |
| 4329-1/05 Tratamentos térmicos, acústicos ou de vibração | 306 |
| 4329-1/99 Outras obras de instalações em construções não especificadas anteriormente | 279 |
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 de Janeiro?
309 active companies have CNAE 4329-1/02 as their main activity in Rio de Janeiro, 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 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 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 de Janeiro.