CNAE 2431-8/00 · Rio de Janeiro

Produção de tubos de aço com costura in Rio de Janeiro

10 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 9.5% of Brazil's active companies with the same main activity.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

The same activity in Brazil 105

What this list shows

We count each active company once, by its head office in this state 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.

Companies in Rio de Janeiro: 10; 9.5% of Brazil's
Of every 100 companies in Rio de Janeiro: 0.0; do this activity
Among Brazil's federative units: 2nd; by companies in this activity

Active companies in Rio de Janeiro

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.

EBSE ENGENHARIA DE SOLUCOES S.ARio de Janeiro (RJ)
APOLO TUBOS E EQUIPAMENTOS S/ARio de Janeiro (RJ)
CLADTEK DO BRASIL INDUSTRIA E COMERCIO DE TUBOS E REVESTIMENTOS LTDARio de Janeiro (RJ)
SCHULZ BC - EQUIPAMENTOS E ACESSORIOS TUBULARES LTDACampos dos Goytacazes (RJ)
PETROCLAD DO BRASIL INDUSTRIA, COMERCIO E SERVICOS LTDARio de Janeiro (RJ)
PIPEWAVE MONTAGENS E PROJETOS DE ENGENHARIA LTDARio de Janeiro (RJ)
SCHULZ TUBOS SOLDADOS LTDACampos dos Goytacazes (RJ)
CAB METALURGICA LTDAVolta Redonda (RJ)
METALURGIA CIDADE DO ACO LTDAVolta Redonda (RJ)
INDUSTUBO INDUSTRIA E COMERCIO DE TUBOS LTDANova Iguaçu (RJ)

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.

How much the activity weighs

of every 100 active companies, how many do this activity

Rio de Janeiro0.0
Brazil0.0

In Rio de Janeiro, the activity weighs 1.2 times what it does in Brazil.

Rio de Janeiro's cities with the most companies in this activity

active companies and each city's share of the state

1 Rio de Janeiro 50.0% 5
2 Campos dos Goytacazes 20.0% 2
3 Volta Redonda 20.0% 2
4 Nova Iguaçu 10.0% 1

Class 2431-8 in Rio de Janeiro

produção de tubos de aço com costura, by subclass

Close to this: 2439-3/00 · Produção de outros tubos de ferro e aço, 3 companies in Rio de Janeiro.

What activity 2431-8/00 is

A produção de tubos de aço com costura e seus acessórios. Os tubos com costura são fabricados com tiras de aço que se formam e se soldam
A produção de conexões

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 2431-8/00 in Rio de Janeiro?

10 active companies have CNAE 2431-8/00 as their main activity in Rio de Janeiro, according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.

Which of Rio de Janeiro's cities has the most companies in this activity?

Rio de Janeiro, with 5, 50.0% of the state's companies in this activity.

Why can this total differ from the companies operating in this state?

This scope counts active companies by their head office and registered main activity. A company may operate in this state through a branch or carry out the activity as a secondary activity and be excluded from the count. The registered address and CNAE do not establish every operating location or service.

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 with this as their main activity, counted by head office in Rio de Janeiro.