CNAE 4292-8/01 · Rio de Janeiro
Montagem de estruturas metálicas 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 1 of 10- MARTINS TEC MANUTENCAO E REPAROS DE ESTRUTURAS LTDAMesquita (RJ)
- A. A. LOCAM SERVICOS TECNICOS INDUSTRIAIS LTDA.Macaé (RJ)
- D.S. GOMES SERVICOS TECNICOS LTDASão João da Barra (RJ)
- M F C LACERDA LTDANova Iguaçu (RJ)
- DRILL SERV COMERCIO E SERVICOS E LOCACOES LTDACarapebus (RJ)
- TLX ENGENHARIA LTDANiterói (RJ)
- LUMINARIAS PERFILAR LTDARio de Janeiro (RJ)
- ESTALEIRO BRASA LTDA.Niterói (RJ)
- GMT TECNOLOGIA, CONSTRUCOES E TELECOM LTDAMesquita (RJ)
- VIZION REPRESENTACAO SERVICOS E TRANSPORTES LTDANiterói (RJ)
- CONECTA ENGENHARIA E SERVICOS LTDARio de Janeiro (RJ)
- CRISTAL CONSTRUCOES E SOLUCOES LTDANiterói (RJ)
- MLR COMERCIAL MARICAENSE LTDAMaricá (RJ)
- CCN BRASIL CONSTRUCAO E MONTAGEM LTDADuque de Caxias (RJ)
- KAREN BRUN BELIENE MONTAGEM E ESTRUTURA METALICA EM GERAL LTDARio de Janeiro (RJ)
- ALMEQ SERVICOS TECNICOS INDUSTRIAIS LTDAMacaé (RJ)
- CALDECOM COMERCIO E SERVICOS ESTRUTURAIS LTDASão Pedro da Aldeia (RJ)
- BLK SERVICOS E LOCACOES LTDAItaguaí (RJ)
- G-RIO COMERCIO E SERVICOS LTDARio de Janeiro (RJ)
- RT ENGINEERING LTDARio de Janeiro (RJ)
- 2D ENGENHARIA LTDABelford Roxo (RJ)
- NEPTUNE BRASIL AND MARINE CORPORATION LTDARio de Janeiro (RJ)
- METALBRAS CONSTRUCOES E MONTAGEM LTDADuque de Caxias (RJ)
- REDAMAR COMERCIO E SERVICO LTDACarapebus (RJ)
- M G P DA LUZ MONTAGEM E MANUTENCAO LTDABarra do Piraí (RJ)
- CANNAN PRESTACAO DE SERVICOS DE ESTRUTURAS METALICAS LTDARio Bonito (RJ)
- MONTEACO ENGENHARIA ACO E CIVIL LTDARio de Janeiro (RJ)
- PROJETNAVE TECNO INDUSTRIAL LTDANiterói (RJ)
- TUBOTEC METALURGICA E INSTALACOES LTDADuque de Caxias (RJ)
- TRIADE SERVICOS INDUSTRIAIS LTDAMacaé (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 Montagem de estruturas metálicas · this one | 430 |
| 4292-8/02 Obras de montagem industrial | 153 |
Close to this: 3321-0/00 · Instalação de máquinas e equipamentos industriais, 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.