CNAE 2451-2/00 · Brazil
Fundição de ferro e aço
821 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
- 821
- 780th of 1,329 activities
- Opened in 12 months
- 20
- 972nd by openings
- Of every 100 companies in the country
- 0.0
- do this activity
- Openings per 100 active
- 2
- 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.- IGNA LTDAMatozinhos (MG)
- CASTERTECH FUNDICAO E TECNOLOGIA LTDACaxias do Sul (RS)
- ELECTRO ACO ALTONA S ABlumenau (SC)
- FUNDICAO BALANCINS LTDA EM RECUPERACAO JUDICIALSão Paulo (SP)
- TUPY S/AJoinville (SC)
- TUPY MINAS GERAIS LTDA.Betim (MG)
- SIDERURGICA CATARINENSE LTDACriciúma (SC)
- FUNDIMIG INDUSTRIA DE PECAS E COMPONENTES LTDACláudio (MG)
- SPILROD FUNDICAO DE FERRO E ACO LTDANova Veneza (SC)
- FUNDICAO VENANCIO AIRES LTDAVenâncio Aires (RS)
- METALURGICA ECOPLAN.LTDA.Cachoeirinha (RS)
- FUNDICAO SANTANA LTDACláudio (MG)
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
- 0.0
Federative units with the most companies
- 1 São Paulo 258
- 2 Minas Gerais 152
- 3 Santa Catarina 109
- 4 Rio Grande do Sul 73
- 5 Paraná 57
- 6 Rio de Janeiro 39
- 7 Ceará 23
- 8 Bahia 15
- 9 Pernambuco 12
- 10 Maranhão 9
See the 24 federative units
- 11 Mato Grosso 9
- 12 Espírito Santo 8
- 13 Goiás 7
- 14 Paraíba 7
- 15 Rondônia 7
- 16 Alagoas 3
- 17 Pará 3
- 18 Rio Grande do Norte 3
- 19 Tocantins 3
- 20 Mato Grosso do Sul 2
- 21 Piauí 2
- 22 Acre 1
- 23 Distrito Federal 1
- 24 Sergipe 1
Cities with the most companies
active companies by head office
- 1 Cláudio (MG) 41
- 2 São Paulo (SP) 29
- 3 Nova Veneza (SC) 20
- 4 Araras (SP) 19
- 5 Itaúna (MG) 17
- 6 Aperibé (RJ) 15
- 7 Batatais (SP) 13
- 8 Carmo da Mata (MG) 11
- 9 Divinópolis (MG) 11
- 10 Guarulhos (SP) 11
See the 29 cities
- 11 Monte Alto (SP) 11
- 12 Joinville (SC) 11
- 13 Piracicaba (SP) 9
- 14 Sertãozinho (SP) 9
- 15 Belo Horizonte (MG) 8
- 16 Itapira (SP) 8
- 17 Caxias do Sul (RS) 8
- 18 Itaquaquecetuba (SP) 7
- 19 Novo Hamburgo (RS) 7
- 20 Forquilhinha (SC) 6
- 21 São Gonçalo (RJ) 6
- 22 Indaiatuba (SP) 6
- 23 Leme (SP) 6
- 24 Fortaleza (CE) 5
- 25 Contagem (MG) 5
- 26 Extrema (MG) 5
- 27 Rio de Janeiro (RJ) 5
- 28 Matão (SP) 5
- 29 Colombo (PR) 5
What activity 2451-2/00 is
- Section C — Indústrias de transformação
- Division — Metalurgia
- Group — Fundição
- Class — Fundição de ferro e aço
What it covers
- A produção de peças fundidas de aço-carbono, aços especiais e ligas de aço
What it does not cover
- A produção de artefatos fundidos de ferro e aço para uso doméstico (2593-4/00)Classified under: 2593-4/00 Fabricação de artigos de metal para uso doméstico e pessoal
Typical activities
- Fabricação de sinos de metal
- Metais ferrosos, fundição de
- Produção de ferro e aço fundido em formas e pecas, n.e.
- Produção de peças fundidas de ferro e aço
- Produção de ralos, grelhas, tampões, caixas seccionadoras e semelhantes de ferro fundido
- Serviço de fundição de metais ferrosos
Frequently asked questions about CNAE 2451-2/00
How many CNAE 2451-2/00 companies are there in Brazil?
821 active companies have CNAE 2451-2/00 as their main activity, according to the Receita Federal's October 2026 publication. It is 780th among the country's activities by companies.
Which federative unit has the most companies in this activity?
São Paulo, with 258. 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.