CNAE 4292-8/01 · Rio de Janeiro (RJ)
Montagem de estruturas metálicas in Rio de Janeiro (RJ)
163 active companies are headquartered in Rio de Janeiro (RJ) with this CNAE as their main activity. They represent 2.0% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 8,253 · Rio de Janeiro 430
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)
- 163
- 2.0% 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 6- LUMINARIAS PERFILAR LTDARio de Janeiro (RJ)
- CONECTA ENGENHARIA E SERVICOS LTDARio de Janeiro (RJ)
- KAREN BRUN BELIENE MONTAGEM E ESTRUTURA METALICA EM GERAL LTDARio de Janeiro (RJ)
- G-RIO COMERCIO E SERVICOS LTDARio de Janeiro (RJ)
- RT ENGINEERING LTDARio de Janeiro (RJ)
- NEPTUNE BRASIL AND MARINE CORPORATION LTDARio de Janeiro (RJ)
- MONTEACO ENGENHARIA ACO E CIVIL LTDARio de Janeiro (RJ)
- JV ESTRUTURAS TUBULARES LTDARio de Janeiro (RJ)
- APORTTE ESTRUTURAS LTDA,Rio de Janeiro (RJ)
- JOLEON ENGENHARIA E SERVICOS LTDARio de Janeiro (RJ)
- EXPERIENCIAL SERVICOS DE REFORMAS E TREINAMENTOS AO AR LIVRE LTDARio de Janeiro (RJ)
- R P MANUTENCAO & SERVICOS LTDARio de Janeiro (RJ)
- ESTRUTURACO SERVICOS GERAIS LTDARio de Janeiro (RJ)
- BRUN MANUTENCAO E INSPECAO PREDIAL - LIMITADARio de Janeiro (RJ)
- SOLARTEC ENERGIA SUSTENTAVEL LTDARio de Janeiro (RJ)
- R.H.M. SERVICOS DE CONSTRUCAO CIVIL E MONTAGENS LTDARio de Janeiro (RJ)
- LIRA SERRALHERIA E SERVICOS LTDARio de Janeiro (RJ)
- APEFER ESTRUTURAS METALICAS LTDARio de Janeiro (RJ)
- RTG CONSTRUCOES TREINAMENTO E INSPECOES LTDARio de Janeiro (RJ)
- MBSUPPLY SERVICOS E COMERCIO LTDARio de Janeiro (RJ)
- REINVENT ESTRUTURAS METALICAS LTDARio de Janeiro (RJ)
- STEEL TECH CONSTRUCOES E REFORMAS LTDARio de Janeiro (RJ)
- WDO ENGENHARIA LTDARio de Janeiro (RJ)
- GLOBAL INFRAESTRUTURA LTDARio de Janeiro (RJ)
- LCP - LOCACAO E PRODUCAO DE EVENTOS LTDARio de Janeiro (RJ)
- SELLETO LOCACAO, MONTAGEM E DESMONTAGEM DE ESTRUTURAS METALICAS LTDARio de Janeiro (RJ)
- LOCAPISOS MINDSET EVENTOS LTDARio de Janeiro (RJ)
- LLF SERRALHERIA E VIDRACARIA LTDARio de Janeiro (RJ)
- FOCO ESTRUTURAS E SOLUCOES LTDARio de Janeiro (RJ)
- ARTY METAL GLASS SERRALHERIA E VIDRACARIA LTDARio de Janeiro (RJ)
List limited to 163 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 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 37.9% 163
- 2 Duque de Caxias 12.3% 53
- 3 Niterói 4.2% 18
- 4 Nova Iguaçu 4.0% 17
- 5 Belford Roxo 3.5% 15
- 6 São Gonçalo 2.8% 12
- 7 Barra Mansa 1.9% 8
- 8 Campos dos Goytacazes 1.9% 8
- 9 Pinheiral 1.6% 7
- 10 Cabo Frio 1.6% 7
20 more cities
- 11 Itaguaí 7
- 12 Magé 7
- 13 Tanguá 6
- 14 Rio das Ostras 6
- 15 Angra dos Reis 6
- 16 Barra do Piraí 6
- 17 Macaé 6
- 18 Volta Redonda 6
- 19 Maricá 5
- 20 São João de Meriti 5
- 21 Mesquita 4
- 22 Itaboraí 4
- 23 Rio Bonito 4
- 24 São Pedro da Aldeia 4
- 25 Saquarema 4
- 26 Carapebus 3
- 27 Porto Real 3
- 28 Araruama 3
- 29 Nilópolis 3
- 30 Paraíba do Sul 3
Class 4292-8 in Rio de Janeiro (RJ)
montagem de instalações industriais e de estruturas metálicas, by subclass| Subclass | Active |
|---|---|
| 4292-8/01 Montagem de estruturas metálicas · this one | 163 |
| 4292-8/02 Obras de montagem industrial | 36 |
Close to this: 3321-0/00 · Instalação de máquinas e equipamentos industriais, 1,220 companies in Rio de Janeiro (RJ).
What activity 4292-8/01 is
- A montagem de estruturas metálicas permanentes
- Os serviços de soldagem de estruturas metálicas
Frequently asked questions
How many companies have main CNAE 4292-8/01 in Rio de Janeiro (RJ)?
163 active companies have CNAE 4292-8/01 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 163, 37.9% 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).