CNAE 2521-7/00 · Rio de Janeiro

Fabricação de tanques, reservatórios metálicos e caldeiras para aquecimento central in Rio de Janeiro

19 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 2.9% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 649

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: 19; 2.9% of Brazil's
Of every 100 companies in Rio de Janeiro: 0.0; do this activity
Among Brazil's federative units: 9th; 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.

MERCOCIL METALURGICA LTDARio de Janeiro (RJ)
MOMAI CALDEIRARIA E ESTRUTURA METALICA LTDABarra Mansa (RJ)
CAMPOSCAL CALDEIRAS LTDACampos dos Goytacazes (RJ)
LOCON - LOCACOES DE CONTENTORES E SERVICOS LTDARio das Ostras (RJ)
E2T2 EQUIPAMENTOS INDUSTRIAIS LTDADuque de Caxias (RJ)
THE BEST WAY - SERVICE LTDARio de Janeiro (RJ)
APAXY FABRICA DE EMBALAGENS DE ACO PARA GLP LTDASaquarema (RJ)
PETROCAL INDUSTRIA E COMERCIO DE CALDEIRAS E PECAS LTDAPetrópolis (RJ)
SOLARPLUS INDUSTRIA E COMERCIO LTDADuque de Caxias (RJ)
METALCRAFT ENGENHARIA LTDAVolta Redonda (RJ)
MARIMAR COMERCIO SERVICOS FABRICACAO E REPRESENTACOES LTDATrês Rios (RJ)
ACQUATEK INDUSTRIA E COMERcIO LTDADuque de Caxias (RJ)
SERVENGE EQUIPAMENTOS INDUSTRIAIS LTDARio de Janeiro (RJ)
REQUALIS SERVICO E COMERCIO LTDANova Iguaçu (RJ)
CAMPOSCAL SERVICOS LTDACampos dos Goytacazes (RJ)
W.C CALDEIRARIA, SERRALHERIA E MANUTENCAO INDUSTRIAL LTDATrês Rios (RJ)
INVERNADA INDUSTRIA E COMERCIO LTDADuque de Caxias (RJ)
V G F ACO E FIBRA LTDABelford Roxo (RJ)
BRINELL DO BRASIL USINAGEM LTDASão João de Meriti (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 less than 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 Duque de Caxias 21.1% 4
2 Rio de Janeiro 15.8% 3
3 Campos dos Goytacazes 10.5% 2
4 Três Rios 10.5% 2
5 Belford Roxo 5.3% 1
6 Rio das Ostras 5.3% 1
7 Barra Mansa 5.3% 1
8 Nova Iguaçu 5.3% 1
9 Petrópolis 5.3% 1
10 São João de Meriti 5.3% 1

2 more cities

11 Saquarema 1
12 Volta Redonda 1

Class 2521-7 in Rio de Janeiro

fabricação de tanques, reservatórios metálicos e caldeiras para aquecimento central, by subclass

Close to this: 3321-0/00 · Instalação de máquinas e equipamentos industriais, 2,890 companies in Rio de Janeiro.

What activity 2521-7/00 is

A fabricação de tanques e reservatórios para combustíveis, lubrificantes, gás comprimido e gás liqüefeito, etc.
A fabricação de tanques e reservatórios cilíndricos, de teto fixo, flutuantes, etc., para armazenamento e processamento de materiais
A fabricação de recipientes metálicos para gases comprimidos e liqüefeitos, de qualquer capacidade

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 2521-7/00 in Rio de Janeiro?

19 active companies have CNAE 2521-7/00 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?

Duque de Caxias, with 4, 21.1% 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.