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CNAE 2542-0/00 · Brazil

Fabricação de artigos de serralheria, exceto esquadrias

96,290 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
96,290
61st of 1,329 activities
Opened in 12 months
20,703
+16.8% · 53rd by openings
Of every 100 companies in the country
0.4
do this activity
Openings per 100 active
22
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: 138 companies, 0.3 of every 100 active companies there Alagoas: 699 companies, 0.3 of every 100 active companies there Amapá: 112 companies, 0.2 of every 100 active companies there Amazonas: 548 companies, 0.2 of every 100 active companies there Bahia: 4,563 companies, 0.4 of every 100 active companies there Ceará: 914 companies, 0.1 of every 100 active companies there Distrito Federal: 1,467 companies, 0.3 of every 100 active companies there Espírito Santo: 3,010 companies, 0.5 of every 100 active companies there Goiás: 5,245 companies, 0.5 of every 100 active companies there Maranhão: 983 companies, 0.3 of every 100 active companies there Mato Grosso: 2,635 companies, 0.5 of every 100 active companies there Mato Grosso do Sul: 1,827 companies, 0.5 of every 100 active companies there Minas Gerais: 14,969 companies, 0.5 of every 100 active companies there Pará: 1,528 companies, 0.3 of every 100 active companies there Paraíba: 1,198 companies, 0.4 of every 100 active companies there Paraná: 6,599 companies, 0.3 of every 100 active companies there Pernambuco: 2,746 companies, 0.4 of every 100 active companies there Piauí: 504 companies, 0.2 of every 100 active companies there Rio de Janeiro: 7,919 companies, 0.4 of every 100 active companies there Rio Grande do Norte: 741 companies, 0.3 of every 100 active companies there Rio Grande do Sul: 5,729 companies, 0.3 of every 100 active companies there Rondônia: 816 companies, 0.5 of every 100 active companies there Roraima: 215 companies, 0.5 of every 100 active companies there Santa Catarina: 4,135 companies, 0.3 of every 100 active companies there São Paulo: 25,616 companies, 0.3 of every 100 active companies there Sergipe: 247 companies, 0.1 of every 100 active companies there Tocantins: 1,183 companies, 0.7 of every 100 active companies there

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

  1. 0.1 – 0.3
  2. 0.3
  3. 0.3 – 0.4
  4. 0.4 – 0.5
  5. 0.5 – 0.7

Federative units with the most companies

  1. 1 São Paulo 25,616
  2. 2 Minas Gerais 14,969
  3. 3 Rio de Janeiro 7,919
  4. 4 Paraná 6,599
  5. 5 Rio Grande do Sul 5,729
  6. 6 Goiás 5,245
  7. 7 Bahia 4,563
  8. 8 Santa Catarina 4,135
  9. 9 Espírito Santo 3,010
  10. 10 Pernambuco 2,746
See the 27 federative units
  1. 11 Mato Grosso 2,635
  2. 12 Mato Grosso do Sul 1,827
  3. 13 Pará 1,528
  4. 14 Distrito Federal 1,467
  5. 15 Paraíba 1,198
  6. 16 Tocantins 1,183
  7. 17 Maranhão 983
  8. 18 Ceará 914
  9. 19 Rondônia 816
  10. 20 Rio Grande do Norte 741
  11. 21 Alagoas 699
  12. 22 Amazonas 548
  13. 23 Piauí 504
  14. 24 Sergipe 247
  15. 25 Roraima 215
  16. 26 Acre 138
  17. 27 Amapá 112

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 5,461
  2. 2 Rio de Janeiro (RJ) 2,360
  3. 3 Belo Horizonte (MG) 1,602
  4. 4 Brasília (DF) 1,467
  5. 5 Curitiba (PR) 1,048
  6. 6 Goiânia (GO) 985
  7. 7 Salvador (BA) 948
  8. 8 Guarulhos (SP) 781
  9. 9 Campinas (SP) 775
  10. 10 Duque de Caxias (RJ) 653
See the 30 cities
  1. 11 Porto Alegre (RS) 636
  2. 12 Campo Grande (MS) 624
  3. 13 Aparecida de Goiânia (GO) 622
  4. 14 Recife (PE) 587
  5. 15 Uberlândia (MG) 563
  6. 16 Serra (ES) 554
  7. 17 Sorocaba (SP) 547
  8. 18 Contagem (MG) 525
  9. 19 Nova Iguaçu (RJ) 490
  10. 20 Juiz de Fora (MG) 464
  11. 21 São Gonçalo (RJ) 463
  12. 22 São José do Rio Preto (SP) 440
  13. 23 São José dos Campos (SP) 434
  14. 24 Cariacica (ES) 428
  15. 25 Ribeirão Preto (SP) 405
  16. 26 Manaus (AM) 402
  17. 27 Palmas (TO) 382
  18. 28 Cuiabá (MT) 374
  19. 29 Caxias do Sul (RS) 372
  20. 30 Vila Velha (ES) 357

What activity 2542-0/00 is

  1. Section C — Indústrias de transformação
  2. Division — Fabricação de produtos de metal, exceto máquinas e equipamentos
  3. Group — Fabricação de artigos de cutelaria, de serralheria e ferramentas
  4. Class — Fabricação de artigos de serralheria, exceto esquadrias

What it covers

  • A fabricação de cadeados, fechaduras e guarnições; ferragens para construção, para móveis, bolsas, malas; dobradiças, trincos, lâminas para chaves, etc.
  • A fabricação de conexões, joelhos, luvas e outros artefatos para encanamentos confeccionados em serralherias
  • A fabricação de artefatos diversos de serralheria e caldeiraria leve

What it does not cover

Typical activities

  • Fabricação de alças e puxadores metálicos
  • Fabricação de artefatos de serralheria, exceto esquadrias
  • Fabricação de artefatos para encanamentos confeccionados em serralherias
  • Fabricação de box para banheiro com estrutura de alumínio
  • Fabricação de cadeados
  • Fabricação de chaves para fechaduras
  • Fabricação de chaves para fechaduras de veículos
  • Fabricação de cobertura metálica modular desmontável
  • Fabricação de coberturas metálicas para veículos e outros usos residenciais
  • Fabricação de corrimão metálico
  • Fabricação de dobradiças
  • Fabricação de esporas, estribos e freios
See the other 17 typical activities
  • Fabricação de fechaduras, guarnições e outras ferragens para construção
  • Fabricação de fechaduras, guarnições e semelhantes para moveis, bolsas, malas
  • Fabricação de fechaduras para veículos
  • Fabricação de ferragens para bolsas, malas, pastas e semelhantes
  • Fabricação de ferragens para moveis, n.e.
  • Fabricação de ferragens para selaria
  • Fabricação de guarnições, ferragens e artefatos semelhantes para construção civil
  • Fabricação de guarnições, ferragens e artefatos semelhantes para usos não especificados
  • Fabricação de guarnições, ferragens e artefatos semelhantes para veículos automotores
  • Fabricação de partes e peças para cadeados, fechaduras e ferrolhos
  • Fabricação de produtos de caldeiraria leve
  • Fabricação de rodízios, com rodas de qualquer material
  • Fabricação de suporte metálico para forno e para tv
  • Fabricação de toldos em alumínio
  • Fabricação de travas de segurança
  • Serralheria (exceto esquadrias)
  • Tanques para transformadores, fabricação de

Source: IBGE, CNAE 2.3 and its explanatory notes

Frequently asked questions about CNAE 2542-0/00

How many CNAE 2542-0/00 companies are there in Brazil?

96,290 active companies have CNAE 2542-0/00 as their main activity, according to the Receita Federal's October 2026 publication. It is 61st among the country's activities by companies.

Which federative unit has the most companies in this activity?

São Paulo, with 25,616. There, 0.3 of every 100 active companies have this main activity, against 0.4 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.