CNAE 4292-8/01 · Rio de Janeiro
Erection of steel structures in Rio de Janeiro
430 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 5.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 8,253
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
- 430
- 5.2% 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. · page 10 of 10- JPM SERVICOS E MONTAGENS LTDARio de Janeiro (RJ)
- MH MONTAGEM LTDADuque de Caxias (RJ)
- MHF DE AZEVEDO SOLUCOES EM ACO LTDASão João de Meriti (RJ)
- JP SERRA MONTAGEM DE ESTRUTURAS METALICAS LTDANiterói (RJ)
- ESTILO ESTRUTURAS METALICAS LTDATeresópolis (RJ)
- RGTECK SOLUCOES INDUSTRIAIS E COMERCIO LTDARio de Janeiro (RJ)
- MG & G SERVICOS DE MONTAGEM DE ESTRUTURAS METALICAS LTDARio de Janeiro (RJ)
- LHL METALWORK LTDATanguá (RJ)
- DRF SILVA SMART SOLUTIONS LTDARio das Ostras (RJ)
- ESTRUTURAL JORGE EL KHOURI LTDARio de Janeiro (RJ)
- JGSC CONSTRUCOES E REFORMAS EM GERAL LTDABarra do Piraí (RJ)
- G SANTOS EMPREITEIRA E SERVICOS LTDADuque de Caxias (RJ)
- SAMI SERVICE ART CONSERVACAO INDUSTRIAL LTDARio de Janeiro (RJ)
- MASTER CHECK - GERENCIAMENTO E MONTAGENS INDUSTRIAIS LTDARio de Janeiro (RJ)
- S&S INSPECOES DE SOLDAS E EQUIPAMENTOS LTDADuque de Caxias (RJ)
- SOUZA TELLES SERVICOS LTDARio de Janeiro (RJ)
- A. SERMONT SERVICOS DE MONTAGEM LTDARio de Janeiro (RJ)
- NOVA FERROTEC ESTRUTURAS METALICAS E SERRALHERIA LTDAQueimados (RJ)
- SHADOW COMERCIO E SERVICOS DE SOMBREADORES E PRODUTOS METALICOS LTDARio de Janeiro (RJ)
- MAVA ESTRUTURAS METALICAS LTDARio de Janeiro (RJ)
- ACOPLASTICO FABRICACAO E MONTAGEM DE PAINEIS E CAIXAS LTDAPinheiral (RJ)
- BUENO ESTRUTURAS METALICAS LTDARio de Janeiro (RJ)
- RIO PORTAS MONTAGENS E MANUTENCOES LTDARio de Janeiro (RJ)
- MERINOX SOLUCOES EM ACO INOXIDAVEL LTDAVolta Redonda (RJ)
- FERROCALHAS E LOCACOES LTDAVolta Redonda (RJ)
- PHS RAMOS MONTAGEM DE ESTRUTURA DE TELHAS LTDARio de Janeiro (RJ)
- RM SOLUCOES EM SERVICOS DE MONTAGEM LTDARio de Janeiro (RJ)
- K2 SERRALHERIA, FABRICACAO E COMERCIO DE FERRAGENS LTDATanguá (RJ)
- INTERBRASIL INSTALACOES E COMERCIO DE ESTRUTURAS METALICAS LTDARio de Janeiro (RJ)
- ESTRUTURA METALICA E SERRALHERIA WANDER TEIXEIRA 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 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
montagem de instalações industriais e de estruturas metálicas, by subclass| Subclass | Active |
|---|---|
| 4292-8/01 Erection of steel structures · this one | 430 |
| 4292-8/02 Industrial assembly works | 153 |
Close to this: 3321-0/00 · Installation of industrial machinery and equipment, 2,890 companies in Rio de Janeiro.
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?
430 active companies have CNAE 4292-8/01 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 163, 37.9% 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.