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CNAE 2821-6/02 · Brazil

Fabricação de estufas e fornos elétricos para fins industriais, peças e acessórios

117 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
117
1,115th of 1,329 activities
Opened in 12 months
3
1,179th by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
3
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 117)

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: 2 companies, 0.0 of every 100 active companies there Ceará: 2 companies, 0.0 of every 100 active companies there Distrito Federal: 0 companies, 0.0 of every 100 active companies there Espírito Santo: 0 companies, 0.0 of every 100 active companies there Goiás: 4 companies, 0.0 of every 100 active companies there Maranhão: 0 companies, 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: 11 companies, 0.0 of every 100 active companies there Pará: 0 companies, 0.0 of every 100 active companies there Paraíba: 2 companies, 0.0 of every 100 active companies there Paraná: 7 companies, 0.0 of every 100 active companies there Pernambuco: 2 companies, 0.0 of every 100 active companies there Piauí: 0 companies, 0.0 of every 100 active companies there Rio de Janeiro: 6 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: 8 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: 6 companies, 0.0 of every 100 active companies there São Paulo: 64 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 64
  2. 2 Minas Gerais 11
  3. 3 Rio Grande do Sul 8
  4. 4 Paraná 7
  5. 5 Rio de Janeiro 6
  6. 6 Santa Catarina 6
  7. 7 Goiás 4
  8. 8 Bahia 2
  9. 9 Ceará 2
  10. 10 Paraíba 2
See the 12 federative units
  1. 11 Pernambuco 2
  2. 12 Amazonas 1

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 21
  2. 2 São Carlos (SP) 4
  3. 3 Belo Horizonte (MG) 3
  4. 4 Cotia (SP) 3
  5. 5 São Caetano do Sul (SP) 3
  6. 6 Bento Gonçalves (RS) 3
  7. 7 Goiânia (GO) 3
  8. 8 Fortaleza (CE) 2
  9. 9 Bayeux (PB) 2
  10. 10 Jaboatão dos Guararapes (PE) 2
See the 29 cities
  1. 11 Contagem (MG) 2
  2. 12 Santa Rita de Jacutinga (MG) 2
  3. 13 Duque de Caxias (RJ) 2
  4. 14 Rio de Janeiro (RJ) 2
  5. 15 Barueri (SP) 2
  6. 16 Indaiatuba (SP) 2
  7. 17 Morungaba (SP) 2
  8. 18 Salto (SP) 2
  9. 19 São Bernardo do Campo (SP) 2
  10. 20 Sorocaba (SP) 2
  11. 21 Taboão da Serra (SP) 2
  12. 22 Valinhos (SP) 2
  13. 23 Curitiba (PR) 2
  14. 24 Blumenau (SC) 2
  15. 25 Içara (SC) 2
  16. 26 Manaus (AM) 1
  17. 27 Queimados (RJ) 1
  18. 28 Pojuca (BA) 1
  19. 29 Vitória da Conquista (BA) 1

What activity 2821-6/02 is

  1. Section C — Indústrias de transformação
  2. Division — Fabricação de máquinas e equipamentos
  3. Group — Fabricação de máquinas e equipamentos de uso geral
  4. Class — Fabricação de aparelhos e equipamentos para instalações térmicas

What it covers

  • A fabricação de fornos elétricos para siderurgia, metalurgia e outras aplicações industriais
  • A fabricação de estufas elétricas para fins industriais
  • A fabricação de peças e acessórios para estufas e fornos elétricos para fins industriais
  • A instalação, manutenção e reparação de estufas e fornos elétricos para fins industriais, quando executadas pela unidade fabricante

What it does not cover

Typical activities

  • Fabricação de equipamentos térmicos (elétricos) para cozinhas industriais
  • Fabricação de estufas e autoclaves elétricas
  • Fabricação de fornos elétricos para siderurgia e metalurgia
  • Fabricação de fornos industriais elétricos e aparelhos semelhantes
  • Fabricação de peças e acessórios para estufas e fornos elétricos para fins industriais

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 2821-6

fabricação de aparelhos e equipamentos para instalações térmicas, by subclass
SubclassActiveOpeningsChange
2821-6/01 Fabricação de fornos industriais, aparelhos e equipamentos não elétricos para instalações térmicas, peças e acessórios2838—
2821-6/02 Fabricação de estufas e fornos elétricos para fins industriais, peças e acessórios · this one1173—

Frequently asked questions about CNAE 2821-6/02

How many CNAE 2821-6/02 companies are there in Brazil?

117 active companies have CNAE 2821-6/02 as their main activity, according to the Receita Federal's October 2026 publication. It is 1,115th among the country's activities by companies.

Which activities make up class 2821-6?

Class 2821-6 has 2 subclasses: 2821-6/01; 2821-6/02. 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 64. 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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