CNAE 2441-5/01 · Rio de Janeiro
Produção de alumínio e suas ligas em formas primárias in Rio de Janeiro
18 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 8.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 220
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
- 18
- 8.2% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 6th
- 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.- ALUENGE IND. E COM. DE ALUMINIO LTDASão Gonçalo (RJ)
- ALUAR IND E COMERCIO DE ARTEFATOS DE ALUMINIO LTDAAraruama (RJ)
- PROSFER METALURGIA LTDARio de Janeiro (RJ)
- CRESFER FERRO E CONTRUCOES LTDARio de Janeiro (RJ)
- LOUZADA JUNIOR INDUSTRIAS REUNIDAS LTDAAraruama (RJ)
- CEMV DU BRILHO TRATAMENTO DO ALUMINIO LTDARio de Janeiro (RJ)
- CORTEX 28 METALUGICA LTDARio de Janeiro (RJ)
- CEMV ADICOLOS COMERCIO E SERVICOS LTDARio de Janeiro (RJ)
- CEMV - ALUFINISH COMERCIO E SERVICOS ANODIZACAO EM ALUMINIO LTDA.Rio de Janeiro (RJ)
- SKYLAB GESSO E ESQUADRIAS DE ALUMINIO LTDARio de Janeiro (RJ)
- ALUESTE ALUMINIO DO LESTE LTDASão Gonçalo (RJ)
- SERRALHERIA DURAES INDUSTRIA E COMERCIO DE ALUMINIO LTDARio de Janeiro (RJ)
- ALUMINIO ROQUE IMPORTACAO E EXPORTACAO LTDADuque de Caxias (RJ)
- BEL J COMERCIO E MONTAGEM DE ALUMINIO LTDARio de Janeiro (RJ)
- SATELITE ESQUADRIAS DE ALUMINIO LTDARio de Janeiro (RJ)
- SPOT RIO INDUSTRIA METALURGICA LTDARio de Janeiro (RJ)
- WELLINGTON WILLIAN FERREIRA PEREIRASão João de Meriti (RJ)
- F. C. BATISTA FILHO ALUMINIO E FERROBelford Roxo (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 Janeiro0.0
- Brazil0.0
In Rio de Janeiro, the activity weighs 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 61.1% 11
- 2 Araruama 11.1% 2
- 3 São Gonçalo 11.1% 2
- 4 Belford Roxo 5.6% 1
- 5 Duque de Caxias 5.6% 1
- 6 São João de Meriti 5.6% 1
Class 2441-5 in Rio de Janeiro
metalurgia do alumínio e suas ligas, by subclass| Subclass | Active |
|---|---|
| 2441-5/01 Produção de alumínio e suas ligas em formas primárias · this one | 18 |
| 2441-5/02 Produção de laminados de alumínio | 6 |
Close to this: 2452-1/00 · Fundição de metais não ferrosos e suas ligas, 31 companies in Rio de Janeiro.
What activity 2441-5/01 is
- A produção de alumina (óxido de alumínio)
- A produção de alumínio em formas primárias (lingotes, etc.)
Frequently asked questions
How many companies have main CNAE 2441-5/01 in Rio de Janeiro?
18 active companies have CNAE 2441-5/01 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 11, 61.1% 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.