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CNAE 3831-9/99 · Brazil

Recuperação de materiais metálicos, exceto alumínio

5,663 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
5,663
415th of 1,329 activities
Opened in 12 months
1,074
+15.0% · 350th by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
19
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: 4 companies, 0.0 of every 100 active companies there Alagoas: 36 companies, 0.0 of every 100 active companies there Amapá: 14 companies, 0.0 of every 100 active companies there Amazonas: 67 companies, 0.0 of every 100 active companies there Bahia: 230 companies, 0.0 of every 100 active companies there Ceará: 142 companies, 0.0 of every 100 active companies there Distrito Federal: 88 companies, 0.0 of every 100 active companies there Espírito Santo: 163 companies, 0.0 of every 100 active companies there Goiás: 246 companies, 0.0 of every 100 active companies there Maranhão: 61 companies, 0.0 of every 100 active companies there Mato Grosso: 71 companies, 0.0 of every 100 active companies there Mato Grosso do Sul: 74 companies, 0.0 of every 100 active companies there Minas Gerais: 695 companies, 0.0 of every 100 active companies there Pará: 110 companies, 0.0 of every 100 active companies there Paraíba: 36 companies, 0.0 of every 100 active companies there Paraná: 460 companies, 0.0 of every 100 active companies there Pernambuco: 156 companies, 0.0 of every 100 active companies there Piauí: 21 companies, 0.0 of every 100 active companies there Rio de Janeiro: 514 companies, 0.0 of every 100 active companies there Rio Grande do Norte: 71 companies, 0.0 of every 100 active companies there Rio Grande do Sul: 458 companies, 0.0 of every 100 active companies there Rondônia: 47 companies, 0.0 of every 100 active companies there Roraima: 7 companies, 0.0 of every 100 active companies there Santa Catarina: 333 companies, 0.0 of every 100 active companies there São Paulo: 1,506 companies, 0.0 of every 100 active companies there Sergipe: 27 companies, 0.0 of every 100 active companies there Tocantins: 23 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

Federative units with the most companies

  1. 1 São Paulo 1,506
  2. 2 Minas Gerais 695
  3. 3 Rio de Janeiro 514
  4. 4 Paraná 460
  5. 5 Rio Grande do Sul 458
  6. 6 Santa Catarina 333
  7. 7 Goiás 246
  8. 8 Bahia 230
  9. 9 Espírito Santo 163
  10. 10 Pernambuco 156
See the 27 federative units
  1. 11 Ceará 142
  2. 12 Pará 110
  3. 13 Distrito Federal 88
  4. 14 Mato Grosso do Sul 74
  5. 15 Mato Grosso 71
  6. 16 Rio Grande do Norte 71
  7. 17 Amazonas 67
  8. 18 Maranhão 61
  9. 19 Rondônia 47
  10. 20 Alagoas 36
  11. 21 Paraíba 36
  12. 22 Sergipe 27
  13. 23 Tocantins 23
  14. 24 Piauí 21
  15. 25 Amapá 14
  16. 26 Roraima 7
  17. 27 Acre 4

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 349
  2. 2 Rio de Janeiro (RJ) 123
  3. 3 Brasília (DF) 88
  4. 4 Belo Horizonte (MG) 77
  5. 5 Curitiba (PR) 75
  6. 6 Guarulhos (SP) 70
  7. 7 Salvador (BA) 65
  8. 8 Porto Alegre (RS) 64
  9. 9 Manaus (AM) 61
  10. 10 Fortaleza (CE) 55
See the 30 cities
  1. 11 Goiânia (GO) 52
  2. 12 Uberlândia (MG) 49
  3. 13 Campinas (SP) 49
  4. 14 Duque de Caxias (RJ) 44
  5. 15 Joinville (SC) 43
  6. 16 Nova Iguaçu (RJ) 34
  7. 17 Osasco (SP) 34
  8. 18 Belém (PA) 33
  9. 19 São Gonçalo (RJ) 33
  10. 20 Recife (PE) 32
  11. 21 São Leopoldo (RS) 31
  12. 22 Vila Velha (ES) 30
  13. 23 Itaquaquecetuba (SP) 30
  14. 24 Itajaí (SC) 30
  15. 25 Aparecida de Goiânia (GO) 29
  16. 26 Contagem (MG) 28
  17. 27 Serra (ES) 28
  18. 28 Divinópolis (MG) 26
  19. 29 Diadema (SP) 26
  20. 30 Belford Roxo (RJ) 25

What activity 3831-9/99 is

  1. Section E — Água, esgoto, atividades de gestão de resíduos e descontaminação
  2. Division — Coleta, tratamento e disposição de resíduos; recuperação de materiais
  3. Group — Recuperação de materiais
  4. Class — Recuperação de materiais metálicos

What it covers

  • A seleção de metais ferrosos e não-ferrosos descartados, exceto alumínio
  • A trituração mecânica de sucatas de metais com a subseqüente classificação e separação, exceto alumínio
  • A redução mecânica de peças de ferro volumosas, p. ex., vagões ferroviários
  • O corte, a prensagem ou outros métodos de tratamento mecânico para redução de volume de materiais metálicos, exceto alumínio
  • A desmontagem de navios
  • A recuperação de metais de resíduos fotográficos

What it does not cover

Typical activities

  • Bens usados (automóveis, geladeiras, etc.), desmantelamentos
  • Bens usados (automóveis, geladeiras, etc.), desmantelamentos de
  • Desmantelamento de embarcações
  • Materiais metálicos para fins de recuperação, seleção e classificação de
  • Materiais metálicos, redução de volume para a recuperação de (corte, prensagem ou outros métodos de tratamento mecânico)
  • Metais de resíduos fotográficos, recuperação de
  • Metais ferrosos e não-ferrosos descartados, redução mecânica para a recuperação de
  • Metais ferrosos e não-ferrosos descartados, seleção para a recuperação de
  • Metais ferrosos e não-ferrosos descartados, trituração para a recuperação de
  • Metais ferrosos e não-ferrosos, exceto alumínio, recuperação de
  • Navios, desmontagem de
  • Peças de ferro volumosas, redução mecânica de
See the other 16 typical activities
  • Peças de ferro volumosas, redução mecânica para a recuperação de
  • Serviços de desmontagem de motocicletas, motos e motonetas, sem comercialização de partes, peças e acessórios
  • Serviços de desmontagem de veículos automotores, sem comercialização de partes, peças e acessórios
  • Sucatas (automóveis, máquinas de lavar, etc.), trituração, limpeza e triagem de
  • Sucatas de aço inox, recuperação de
  • Sucatas de antimônio, recuperação de
  • Sucatas de bronze, recuperação de
  • Sucatas de chumbo, recuperação de
  • Sucatas de cobre, recuperação de
  • Sucatas de estanho, recuperação de
  • Sucatas de ferro, aço, metais ferrosos e não ferrosos, seleção de
  • Sucatas de ferro e aço, recuperação de
  • Sucatas de latão, recuperação de
  • Sucatas de metais ferrosos e não-ferrosos (exceto de alumínio), reciclagem de
  • Sucatas de zamac (zamak), recuperação de
  • Sucatas e ferragens metálicas (metais ferrosos e não ferrosos), compactação de

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 3831-9

recuperação de materiais metálicos, by subclass
SubclassActiveOpeningsChange
3831-9/01 Recuperação de sucatas de alumínio9,0381,996+13.0%
3831-9/99 Recuperação de materiais metálicos, exceto alumínio · this one5,6631,074+15.0%

Frequently asked questions about CNAE 3831-9/99

How many CNAE 3831-9/99 companies are there in Brazil?

5,663 active companies have CNAE 3831-9/99 as their main activity, according to the Receita Federal's October 2026 publication. It is 415th among the country's activities by companies.

Which activities make up class 3831-9?

Class 3831-9 has 2 subclasses: 3831-9/01; 3831-9/99. 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 1,506. 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.