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CNAE 2443-1/00 · Brazil

Metalurgia do cobre

42 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
42
1,219th of 1,329 activities
Opened in 12 months
4
1,160th by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
10
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 42)

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: 0 companies, 0.0 of every 100 active companies there Alagoas: 0 companies, 0.0 of every 100 active companies there Amapá: 0 companies, 0.0 of every 100 active companies there Amazonas: 1 company, 0.0 of every 100 active companies there Bahia: 0 companies, 0.0 of every 100 active companies there Ceará: 1 company, 0.0 of every 100 active companies there Distrito Federal: 0 companies, 0.0 of every 100 active companies there Espírito Santo: 2 companies, 0.0 of every 100 active companies there Goiás: 0 companies, 0.0 of every 100 active companies there Maranhão: 1 company, 0.0 of every 100 active companies there Mato Grosso: 0 companies, 0.0 of every 100 active companies there Mato Grosso do Sul: 0 companies, 0.0 of every 100 active companies there Minas Gerais: 4 companies, 0.0 of every 100 active companies there Pará: 3 companies, 0.0 of every 100 active companies there Paraíba: 0 companies, 0.0 of every 100 active companies there Paraná: 1 company, 0.0 of every 100 active companies there Pernambuco: 1 company, 0.0 of every 100 active companies there Piauí: 0 companies, 0.0 of every 100 active companies there Rio de Janeiro: 3 companies, 0.0 of every 100 active companies there Rio Grande do Norte: 0 companies, 0.0 of every 100 active companies there Rio Grande do Sul: 3 companies, 0.0 of every 100 active companies there Rondônia: 0 companies, 0.0 of every 100 active companies there Roraima: 0 companies, 0.0 of every 100 active companies there Santa Catarina: 3 companies, 0.0 of every 100 active companies there São Paulo: 19 companies, 0.0 of every 100 active companies there Sergipe: 0 companies, 0.0 of every 100 active companies there Tocantins: 0 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

Federative units with the most companies

  1. 1 São Paulo 19
  2. 2 Minas Gerais 4
  3. 3 Pará 3
  4. 4 Rio de Janeiro 3
  5. 5 Rio Grande do Sul 3
  6. 6 Santa Catarina 3
  7. 7 Espírito Santo 2
  8. 8 Amazonas 1
  9. 9 Ceará 1
  10. 10 Maranhão 1
See the 12 federative units
  1. 11 Pernambuco 1
  2. 12 Paraná 1

Cities with the most companies

active companies by head office

  1. 1 Itapevi (SP) 3
  2. 2 Belém (PA) 2
  3. 3 Anchieta (ES) 2
  4. 4 Itaquaquecetuba (SP) 2
  5. 5 Piracicaba (SP) 2
  6. 6 São Bernardo do Campo (SP) 2
  7. 7 São Paulo (SP) 2
  8. 8 Joinville (SC) 2
  9. 9 Manaus (AM) 1
  10. 10 Ananindeua (PA) 1
See the 30 cities
  1. 11 Alcântara (MA) 1
  2. 12 Fortaleza (CE) 1
  3. 13 Olinda (PE) 1
  4. 14 Alumínio (SP) 1
  5. 15 Divinópolis (MG) 1
  6. 16 Guaxupé (MG) 1
  7. 17 Pouso Alegre (MG) 1
  8. 18 Varginha (MG) 1
  9. 19 Itaguaí (RJ) 1
  10. 20 Resende (RJ) 1
  11. 21 Rio de Janeiro (RJ) 1
  12. 22 Avaré (SP) 1
  13. 23 Campinas (SP) 1
  14. 24 Itapira (SP) 1
  15. 25 Itupeva (SP) 1
  16. 26 Monte Mor (SP) 1
  17. 27 São José dos Campos (SP) 1
  18. 28 Sorocaba (SP) 1
  19. 29 Curitiba (PR) 1
  20. 30 Jaraguá do Sul (SC) 1

What activity 2443-1/00 is

  1. Section C — Indústrias de transformação
  2. Division — Metalurgia
  3. Group — Metalurgia dos metais não-ferrosos
  4. Class — Metalurgia do cobre

What it covers

  • A produção de cobre em formas primárias (lingotes, etc.)
  • A produção de laminados de cobre (barras, canos e tubos, perfis, chapas, etc.), inclusive ligas
  • A produção de relaminados e retrefilados de cobre, inclusive ligas
  • A produção de mates de cobre

What it does not cover

Typical activities

  • Cobre não refinado; ânodos de cobre para refinação eletrolítica; fabricação de
  • Fabricação de cinzas e resíduos contendo principalmente cobre ou seus compostos
  • Fabricação de cotovelos, uniões e outros acessórios para tubos de cobre ou de ligas de cobre
  • Fabricação de desperdícios de cobre (lamas provenientes da fabricação de fios de cobre)
  • Fabricação de fios de cobre refinado ou de ligas de cobre (latão, cuproníquel, "maillechort", etc.)
  • Fabricação de pós e escamas de cobre
  • Fabricação de tubos, canos e acessórios (uniões, cotovelos, luvas, etc.) de cobre e de ligas de cobre
  • Produção de arames e fios de cobre
  • Produção de barras de cobre
  • Produção de canos e tubos de cobre
  • Produção de chapas e tiras de cobre ou de ligas de cobre
  • Produção de cobre em formas primarias ou semiacabadas
See the other 6 typical activities
  • Produção de conexões de cobre
  • Produção de laminados planos de cobre
  • Produção de ligas de cobre em formas primarias ou semiacabadas, exceto bronze e latão
  • Produção de mates de cobre
  • Produção de perfis de cobre
  • Produção de vergalhões de cobre

Source: IBGE, CNAE 2.3 and its explanatory notes

Frequently asked questions about CNAE 2443-1/00

How many CNAE 2443-1/00 companies are there in Brazil?

42 active companies have CNAE 2443-1/00 as their main activity, according to the Receita Federal's October 2026 publication. It is 1,219th among the country's activities by companies.

Which federative unit has the most companies in this activity?

São Paulo, with 19. 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.