CNAE 2421-1/00 · Brazil
Produção de semi acabados de aço
44 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
- 44
- 1,212th 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
- 7
- 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.- STEEL ACOS ESPECIAIS LTDAOsasco (SP)
- TERNIUM BRASIL LTDA.Rio de Janeiro (RJ)
- CISAM SIDERURGIA S.A EM RECUPERACAO JUDICIALPará de Minas (MG)
- JHS STEEL DISTRIBUIDORA DE ACOS LTDALeme (SP)
- NORTE ACO INDUSTRIA DO PARA LTDACastanhal (PA)
- GARUVA ABRASIVOS LTDAGaruva (SC)
- ALLTEC USINAGEM E COMERCIO LTDASão Paulo (SP)
- ARCELORMITTAL PECEM S.A.São Gonçalo do Amarante (CE)
- ACOS CIPALAM LTDA.Periquito (MG)
- STYLUS METAIS LTDARio de Janeiro (RJ)
- PETRYACO INDUSTRIA E COMERCIO DE ACO LTDAPato Branco (PR)
- ACM SUDOESTE INDUSTRIA E COMERCIO DE CHAPAS LTDASão Lourenço do Oeste (SC)
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.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
Where the companies are
Weight in each federative unit: of every 100 active companies, how many have this main activity
- 0.0
- 0.0
- 0.0
- 0.0
Federative units with the most companies
- 1 São Paulo 8
- 2 Minas Gerais 5
- 3 Paraná 5
- 4 Rio de Janeiro 5
- 5 Rio Grande do Sul 4
- 6 Santa Catarina 4
- 7 Ceará 2
- 8 Pará 2
- 9 Goiás 1
- 10 Mato Grosso do Sul 1
See the 14 federative units
- 11 Piauí 1
- 12 Rio Grande do Norte 1
- 13 Roraima 1
- 14 Sergipe 1
Cities with the most companies
active companies by head office
- 1 Rio de Janeiro (RJ) 3
- 2 Ribeirão Preto (SP) 3
- 3 Castanhal (PA) 2
- 4 Duque de Caxias (RJ) 2
- 5 São Paulo (SP) 2
- 6 Caxias do Sul (RS) 2
- 7 Boa Vista (RR) 1
- 8 Periquito (MG) 1
- 9 Teresina (PI) 1
- 10 Aquiraz (CE) 1
See the 29 cities
- 11 São Gonçalo do Amarante (CE) 1
- 12 Natal (RN) 1
- 13 Lagarto (SE) 1
- 14 Conselheiro Lafaiete (MG) 1
- 15 Ipatinga (MG) 1
- 16 Itamonte (MG) 1
- 17 Pará de Minas (MG) 1
- 18 Leme (SP) 1
- 19 Mairiporã (SP) 1
- 20 Osasco (SP) 1
- 21 Castro (PR) 1
- 22 Contenda (PR) 1
- 23 Londrina (PR) 1
- 24 Mandaguari (PR) 1
- 25 Pato Branco (PR) 1
- 26 Campos Novos (SC) 1
- 27 Garuva (SC) 1
- 28 São Lourenço do Oeste (SC) 1
- 29 Tubarão (SC) 1
What activity 2421-1/00 is
- Section C — Indústrias de transformação
- Division — Metalurgia
- Group — Siderurgia
- Class — Produção de semiacabados de aço
What it covers
- A produção de lingotes, blocos ou tarugos e placas, em aço-carbono e aços especiais / ligados, por processo de lingotamento convencional ou contínuo
What it does not cover
- A produção de laminados planos de aço-carbono, revestidos ou não (2422-9/01)Classified under: 2422-9/01 Produção de laminados planos de aço ao carbono, revestidos ou não
- A produção de laminados planos de aços especiais/ligados (2422-9/02)Classified under: 2422-9/02 Produção de laminados planos de aços especiais
Notes
No lingotamento convencional, o aço líquido vazado em lingoteiras solidifica-se na forma de lingotes que são posteriormente desbastados em placas ou blocos ou tarugos; no lingotamento contínuo, o aço líquido vazado solidifica-se e é cortado já na forma de produtos semi-acabados (placas ou tarugos).
Typical activities
- Fabricação de desperdícios, resíduosou sucatas da produção de semiacabados de aços
- Fabricação de lingotes refundidos de ferro ou aço
- Obtenção de granalhas e pós de ferro fundido ou de ferro e aço
- Produção de aço liquido
- Produção de aços semi-acabados
- Produção de blocos, tarugos, biletes e palanquilhas de aço carbono
- Produção de blocos, tarugos, biletes e palanquilhas de aços especiais
- Produção de ferro e aço doce em formas primarias
- Produção de ferro e aço em formas primárias
- Produção de lingotes de aço carbono
- Produção de lingotes de aços especiais
- Produção de placas de aço carbono
See the other 3 typical activities
- Produção de placas de aços especiais
- Produção de tarugos de aço carbono
- Produção de tarugos de aços especiais
Frequently asked questions about CNAE 2421-1/00
How many CNAE 2421-1/00 companies are there in Brazil?
44 active companies have CNAE 2421-1/00 as their main activity, according to the Receita Federal's October 2026 publication. It is 1,212th among the country's activities by companies.
Which federative unit has the most companies in this activity?
São Paulo, with 8. 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.