CNAE 4329-1/02 · Rio de Janeiro (RJ)
Installation of navigation aid equipment for sea, river and lake navigation in Rio de Janeiro (RJ)
94 active companies are headquartered in Rio de Janeiro (RJ) with this CNAE as their main activity. They represent 10.6% 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 de Janeiro (RJ)
- 94
- 10.6% of Brazil's
- Of every 100 companies in Rio de Janeiro (RJ)
- 0.0
- do this activity
- Among Rio de Janeiro's cities
- 1st
- by companies in this activity
Active companies in Rio de Janeiro (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 4- BELGA MARINE SERVICOS DE ELETRONICA NAVAL LTDARio de Janeiro (RJ)
- SUBSEA CONSTRUCTION 7 LTDARio de Janeiro (RJ)
- THIAGO DE FRIAS FERREIRA APOIO A NAVEGACAO LTDARio de Janeiro (RJ)
- RNA SERVICOS ELETRONICOS NAVAIS LTDARio de Janeiro (RJ)
- JLF ROBOTICS LTDARio de Janeiro (RJ)
- AUREAMAR NAUTICA E COMERCIO LTDARio de Janeiro (RJ)
- DEMETRIUS DE ALMEIDA TAVARES LTDARio de Janeiro (RJ)
- FT SURVEY PRO LTDARio de Janeiro (RJ)
- VICTOR DE SOUZA GAGLIARDI LTDARio de Janeiro (RJ)
- LUMAR INSTALACAO DE EQUIPAMENTOS LTDARio de Janeiro (RJ)
- SCNF CONSULTORIA OFFSHORE E SUBMARINA LTDARio de Janeiro (RJ)
- AGJ RDM MARINE SERVICE LTDARio de Janeiro (RJ)
- CSG OCEAN BLUE REPAROS NAVAIS LTDARio de Janeiro (RJ)
- SETTI - TEC MANUTENCAO E SERVICOS DE TUBULACAO E CALDERARIA LTDARio de Janeiro (RJ)
- ARTHUR CUMPLIDO SERVICOS LTDARio de Janeiro (RJ)
- ALEXANDRE CORREA DA CRUZ LTDARio de Janeiro (RJ)
- BR TRAJ SOLUCOES LTDARio de Janeiro (RJ)
- HYDROLUTION SOLUCOES EM HIDROGRAFIA LTDARio de Janeiro (RJ)
- SF ENERGY ENGENHARIA LTDARio de Janeiro (RJ)
- FILIPE NIERO SILVA PEREIRA LTDARio de Janeiro (RJ)
- TL PROJETOS E SERVICOS LTDARio de Janeiro (RJ)
- ASM SERVICOS MARITIMOS LTDARio de Janeiro (RJ)
- RVC ELETRONICA NAVAL LTDARio de Janeiro (RJ)
- MSR SERVICOS BATIMETRICOS, AMBIENTAIS E CONSULTORIA LTDARio de Janeiro (RJ)
- ANNA LAGE LTDARio de Janeiro (RJ)
- PETER DA SILVA MILLA LTDARio de Janeiro (RJ)
- OCEANIX SERVICES LTDARio de Janeiro (RJ)
- WAGNER DA SILVA SIMEONE LTDARio de Janeiro (RJ)
- R S RIBEIRO OFFSHORE LTDARio de Janeiro (RJ)
- LLX SURVEY SERVICES LTDARio de Janeiro (RJ)
List limited to 94 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 Janeiro (RJ)0.0
- Rio de Janeiro0.0
- Brazil0.0
In Rio de Janeiro (RJ), the activity weighs 2.8 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 (RJ)
obras de instalações em construções não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 4329-1/01 Installation of advertising signs | 405 |
| 4329-1/02 Installation of navigation aid equipment for sea, river and lake navigation · this one | 94 |
| 4329-1/03 Installation, maintenance and repair of elevators, escalators and moving walkways | 389 |
| 4329-1/04 Assembly and installation of lighting and signaling systems on public roads, ports and airports | 136 |
| 4329-1/05 Thermal, acoustic or vibration insulation | 112 |
| 4329-1/99 Other building installation works not elsewhere classified | 127 |
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 (RJ)?
94 active companies have CNAE 4329-1/02 as their main activity in Rio de Janeiro (RJ), 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 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 de Janeiro (RJ).