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CNAE 4292-8/01 · Brazil

Montagem de estruturas metálicas

8,253 active companies in the Brazilian CNPJ registry have this CNAE as their main activity. Look up companies and explore their distribution by state and city.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

What this list shows

We count each active company in the Brazilian CNPJ registry once, by its head office 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.

Active companies
8,253
348th of 1,329 activities
Opened in 12 months
944
−10.5% · 362nd by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
11
in the country: 21

Active companies in this activity

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.

Look up companies in this activity (up to 300)

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.

Where the companies are

Acre: 3 companies, 0.0 of every 100 active companies there Alagoas: 28 companies, 0.0 of every 100 active companies there Amapá: 11 companies, 0.0 of every 100 active companies there Amazonas: 94 companies, 0.0 of every 100 active companies there Bahia: 299 companies, 0.0 of every 100 active companies there Ceará: 163 companies, 0.0 of every 100 active companies there Distrito Federal: 149 companies, 0.0 of every 100 active companies there Espírito Santo: 206 companies, 0.0 of every 100 active companies there Goiás: 338 companies, 0.0 of every 100 active companies there Maranhão: 117 companies, 0.0 of every 100 active companies there Mato Grosso: 275 companies, 0.1 of every 100 active companies there Mato Grosso do Sul: 115 companies, 0.0 of every 100 active companies there Minas Gerais: 642 companies, 0.0 of every 100 active companies there Pará: 107 companies, 0.0 of every 100 active companies there Paraíba: 76 companies, 0.0 of every 100 active companies there Paraná: 910 companies, 0.0 of every 100 active companies there Pernambuco: 125 companies, 0.0 of every 100 active companies there Piauí: 26 companies, 0.0 of every 100 active companies there Rio de Janeiro: 430 companies, 0.0 of every 100 active companies there Rio Grande do Norte: 67 companies, 0.0 of every 100 active companies there Rio Grande do Sul: 747 companies, 0.0 of every 100 active companies there Rondônia: 54 companies, 0.0 of every 100 active companies there Roraima: 0 companies, 0.0 of every 100 active companies there Santa Catarina: 519 companies, 0.0 of every 100 active companies there São Paulo: 2,643 companies, 0.0 of every 100 active companies there Sergipe: 52 companies, 0.0 of every 100 active companies there Tocantins: 47 companies, 0.0 of every 100 active companies there

Weight in each federative unit: of every 100 active companies, how many have this main activity

  1. 0.0
  2. 0.0
  3. 0.0
  4. 0.0
  5. 0.0 – 0.1

Federative units with the most companies

  1. 1 São Paulo 2,643
  2. 2 Paraná 910
  3. 3 Rio Grande do Sul 747
  4. 4 Minas Gerais 642
  5. 5 Santa Catarina 519
  6. 6 Rio de Janeiro 430
  7. 7 Goiás 338
  8. 8 Bahia 299
  9. 9 Mato Grosso 275
  10. 10 Espírito Santo 206
See the 26 federative units
  1. 11 Ceará 163
  2. 12 Distrito Federal 149
  3. 13 Pernambuco 125
  4. 14 Maranhão 117
  5. 15 Mato Grosso do Sul 115
  6. 16 Pará 107
  7. 17 Amazonas 94
  8. 18 Paraíba 76
  9. 19 Rio Grande do Norte 67
  10. 20 Rondônia 54
  11. 21 Sergipe 52
  12. 22 Tocantins 47
  13. 23 Alagoas 28
  14. 24 Piauí 26
  15. 25 Amapá 11
  16. 26 Acre 3

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 618
  2. 2 Rio de Janeiro (RJ) 163
  3. 3 Brasília (DF) 149
  4. 4 Guarulhos (SP) 113
  5. 5 Curitiba (PR) 105
  6. 6 Belo Horizonte (MG) 94
  7. 7 Manaus (AM) 89
  8. 8 Salvador (BA) 87
  9. 9 Chapecó (SC) 83
  10. 10 Fortaleza (CE) 82
See the 30 cities
  1. 11 Bento Gonçalves (RS) 79
  2. 12 Ponta Grossa (PR) 74
  3. 13 Sorocaba (SP) 71
  4. 14 Serra (ES) 68
  5. 15 Goiânia (GO) 67
  6. 16 Campinas (SP) 66
  7. 17 São José dos Campos (SP) 57
  8. 18 Uberlândia (MG) 55
  9. 19 São José do Rio Preto (SP) 54
  10. 20 Duque de Caxias (RJ) 53
  11. 21 Ribeirão Preto (SP) 47
  12. 22 Cascavel (PR) 47
  13. 23 Londrina (PR) 46
  14. 24 Recife (PE) 45
  15. 25 Santo André (SP) 43
  16. 26 São Bernardo do Campo (SP) 43
  17. 27 Joinville (SC) 41
  18. 28 Aparecida de Goiânia (GO) 40
  19. 29 São Luís (MA) 39
  20. 30 Salto do Lontra (PR) 39

What activity 4292-8/01 is

  1. Section F — Construção
  2. Division — Obras de infra-estrutura
  3. Group — Construção de outras obras de infra-estrutura
  4. Class — Montagem de instalações industriais e de estruturas metálicas

What it covers

  • A montagem de estruturas metálicas permanentes
  • Os serviços de soldagem de estruturas metálicas

What it does not cover

Typical activities

  • Montagem de estruturas metálicas moveis
  • Montagem de estruturas metálicas quando executada por unidade especializada
  • Montagem de quando executada por unidade especializada coberturas metálicas
  • Montagem de quando executada por unidade especializada estruturas metálicas
  • Montagem de (quando executada por unidade especializada) estruturas pré-fabricadas de metal
  • Serviço de soldagem para construção civil

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 4292-8

montagem de instalações industriais e de estruturas metálicas, by subclass
SubclassActiveOpeningsChange
4292-8/01 Montagem de estruturas metálicas · this one8,253944−10.5%
4292-8/02 Obras de montagem industrial3,402286−16.4%

Frequently asked questions about CNAE 4292-8/01

How many CNAE 4292-8/01 companies are there in Brazil?

8,253 active companies have CNAE 4292-8/01 as their main activity, according to the Receita Federal's October 2026 publication. It is 348th among the country's activities by companies.

Which activities make up class 4292-8?

Class 4292-8 has 2 subclasses: 4292-8/01; 4292-8/02. The official names are in the subclass table. A company declares one main activity and may declare others as secondary activities.

Which federative unit has the most companies in this activity?

São Paulo, with 2,643. There, 0.0 of every 100 active companies have this main activity, against 0.0 in the national registry.

Does this total include branches and secondary activities?

No. Each active company is counted once, by its head office and registered main activity. A company may carry out this activity as a secondary activity and be excluded from the count. Geographic distribution uses the registered location; records without a recognized federative unit may be counted nationally without appearing in local groups.

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 in the Brazilian CNPJ registry with this as their main activity, counted once by head office. Location is taken from the registry. Where available, openings are for the last 12 months, compared with the previous 12 months.

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