CNAE 2710-4/02 · Rio de Janeiro (RJ)
Manufacture of transformers, inductors, converters, synchronizers and similar, parts and accessories in Rio de Janeiro (RJ)
11 active companies are headquartered in Rio de Janeiro (RJ) with this CNAE as their main activity. They represent 2.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 503 · Rio de Janeiro 18
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)
- 11
- 2.2% 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.- POWERBRAS INDUSTRIA ELETRONICA LTDARio de Janeiro (RJ)
- PRESTENG COMERCIO E SERVICOS DE ELETRICIDADE LTDARio de Janeiro (RJ)
- MULT INSTALACAO E MANUTENCAO DE EQUIPAMENTOS DE ENERGIA LTDARio de Janeiro (RJ)
- ANECT ELETRICA SERVICOS ELETRICOELETRONICOS LTDA:.MERio de Janeiro (RJ)
- ZORA INDUSTRIA DE LUSTRES LTDARio de Janeiro (RJ)
- POWERBRAS INDUSTRIA E COMERCIO LTDARio de Janeiro (RJ)
- GL POWERTECH INDUSTRIA, COMERCIO E SERVICOS DE ELETRICIDADE LTDARio de Janeiro (RJ)
- NB ENERGY COMERCIO DE EQUIPAMENTOS ELETRO ELETRONICOS LTDARio de Janeiro (RJ)
- TRANSFORLINE IND E COM DE TRANSFORMADORES LTDARio de Janeiro (RJ)
- PRONET ELETRONICA LTDARio de Janeiro (RJ)
- LUCONTEC INDUSTRIA E COMERCIO LTDARio de Janeiro (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 de Janeiro (RJ)0.0
- Rio de Janeiro0.0
- Brazil0.0
In Rio de Janeiro (RJ), the activity weighs less than 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 61.1% 11
- 2 Itaboraí 11.1% 2
- 3 Nova Friburgo 11.1% 2
- 4 Maricá 5.6% 1
- 5 Nova Iguaçu 5.6% 1
- 6 Valença 5.6% 1
Class 2710-4 in Rio de Janeiro (RJ)
fabricação de geradores, transformadores e motores elétricos, by subclass| Subclass | Active |
|---|---|
| 2710-4/01 Manufacture of DC and AC generators, parts and accessories | 12 |
| 2710-4/02 Manufacture of transformers, inductors, converters, synchronizers and similar, parts and accessories · this one | 11 |
| 2710-4/03 Manufacture of electric motors, parts and accessories | 0 |
Close to this: 3321-0/00 · Installation of industrial machinery and equipment, 1,220 companies in Rio de Janeiro (RJ).
What activity 2710-4/02 is
- A fabricação de transformadores para transmissão e distribuição (transformadores de força, de corrente e de potencial), inclusive microtransformadores
- A fabricação de indutores, conversores e semelhantes
- A fabricação de peças e acessórios para transformadores, indutores, conversores e semelhantes
Frequently asked questions
How many companies have main CNAE 2710-4/02 in Rio de Janeiro (RJ)?
11 active companies have CNAE 2710-4/02 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 11, 61.1% 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).