CNAE 2439-3/00 · Brazil
Produção de outros tubos de ferro e aço
131 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
- 131
- 1,098th of 1,329 activities
- Opened in 12 months
- 7
- 1,098th by openings
- Of every 100 companies in the country
- 0.0
- do this activity
- Openings per 100 active
- 5
- 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.- SAINT-GOBAIN CANALIZACAO LTDABarra Mansa (RJ)
- CM PRODUTOS SIDERURGICOS LTDARecife (PE)
- PERFILADOS VANZIN LTDACascavel (PR)
- MEMPS-TUBOS HELICOIDAIS INDUSTRIA E SERVICOS LTDASão Luís (MA)
- JMAFER INDUSTRIA COMERCIO E DISTRIBUICAO LTDAGuarulhos (SP)
- TTA - TUPI TUBOS E ACOS LTDAGoiânia (GO)
- MULTFLUXO COMERCIO DE MATERIAIS ISOLAMENTOS LTDABelo Horizonte (MG)
- LOJA STRAUB LTDASão Paulo (SP)
- HIPERMETAL COMERCIO E INDUSTRIA LTDARecife (PE)
- ENGETREF INDUSTRIA E COMERCIO LTDA.Sorocaba (SP)
- METALURGICA CARVALHO LTDALimeira (SP)
- GOOD STEEL INDUSTRIA COMERCIO INTERNACIONAL LTDASanta Bárbara d'Oeste (SP)
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 68
- 2 Minas Gerais 12
- 3 Goiás 9
- 4 Rio Grande do Sul 7
- 5 Santa Catarina 7
- 6 Pernambuco 5
- 7 Paraná 4
- 8 Rio de Janeiro 3
- 9 Rondônia 3
- 10 Espírito Santo 2
Cities with the most companies
active companies by head office
- 1 São Paulo (SP) 27
- 2 Guarulhos (SP) 6
- 3 Goiânia (GO) 6
- 4 Porto Velho (RO) 3
- 5 Recife (PE) 3
- 6 Belo Horizonte (MG) 3
- 7 Diadema (SP) 3
- 8 Franco da Rocha (SP) 3
- 9 Piracicaba (SP) 3
- 10 Contagem (MG) 2
See the 29 cities
- 11 Rio de Janeiro (RJ) 2
- 12 Campinas (SP) 2
- 13 Itaquaquecetuba (SP) 2
- 14 Limeira (SP) 2
- 15 Poá (SP) 2
- 16 Curitiba (PR) 2
- 17 Rio Negrinho (SC) 2
- 18 São João do Sul (SC) 2
- 19 Caxias do Sul (RS) 2
- 20 Porto Alegre (RS) 2
- 21 Redenção (PA) 1
- 22 São Luís (MA) 1
- 23 Fortaleza (CE) 1
- 24 Caaporã (PB) 1
- 25 Paulista (PE) 1
- 26 Vitória de Santo Antão (PE) 1
- 27 Aracaju (SE) 1
- 28 Conceição do Jacuípe (BA) 1
- 29 Betim (MG) 1
What activity 2439-3/00 is
- Section C — Indústrias de transformação
- Division — Metalurgia
- Group — Produção de tubos de aço, exceto tubos sem costura
- Class — Produção de outros tubos de ferro e aço
What it covers
- A produção de tubos e seus acessórios fundidos, trefilados, retrefilados, flexíveis e outros de ferro e aço, mesmo revestidos de qualquer material
What it does not cover
- A produção de tubos de aço com costura (2431-8/00)Classified under: 2431-8/00 Produção de tubos de aço com costura
- A produção de tubos de aço sem costura (2423-7/01)Classified under: 2423-7/01 Produção de tubos de aço sem costura
Typical activities
- Fabricação de acessórios para tubos ou canos de ferro fundidos, trefilados, flexíveis e outros
- Produção de tubos de aço flexíveis, inclusive conexões
- Produção de tubos e canos de ferro fundido, inclusive conexões
- Produção de tubos retrefilados de aço
- Produção de tubos trefilados de aço, inclusive conexões
Frequently asked questions about CNAE 2439-3/00
How many CNAE 2439-3/00 companies are there in Brazil?
131 active companies have CNAE 2439-3/00 as their main activity, according to the Receita Federal's October 2026 publication. It is 1,098th among the country's activities by companies.
Which federative unit has the most companies in this activity?
São Paulo, with 68. 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.