CNAE 2542-0/00 · Rio de Janeiro

Fabricação de artigos de serralheria, exceto esquadrias in Rio de Janeiro

7,919 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 8.2% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 96,290

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: 7,919; 8.2% of Brazil's
Of every 100 companies in Rio de Janeiro: 0.4; do this activity
Among Brazil's federative units: 3rd; 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. · page 1 of 10

STAM METALURGICA LTDANova Friburgo (RJ)
ISERO INDUSTRIA E COMERCIO LTDARio de Janeiro (RJ)
SJG INDUSTRIA METALURGICA LTDADuque de Caxias (RJ)
FERRAGENS 3F DO BRASIL LTDANova Friburgo (RJ)
R. P. MARTINS METALURGIA LTDAMendes (RJ)
UNIAO MUNDIAL INDUSTRIA DE FERRAGENS LTDANova Friburgo (RJ)
SERRALHERIA E DECORACOES UNIVERSAL LTDARio de Janeiro (RJ)
SEA LION ASSISTANCE LTDASão Gonçalo (RJ)
ALUMIGLASS ALUMINIO E VIDRO LIMITADADuque de Caxias (RJ)
METALFRAN LTDABarra Mansa (RJ)
J L DA SILVA SERRALHERIA LTDAMacaé (RJ)
TUBONOX METALURGICA LTDAParaíba do Sul (RJ)
CONTEQ CONSTRUCOES, EQUIPAMENTOS E CONTAINERS LTDACampos dos Goytacazes (RJ)
PILLER MECANICA DE PRECISAO LTDANova Friburgo (RJ)
FECHADURAS HELA DE FRIBURGO FERRAGENS LTDANova Friburgo (RJ)
PORTOFERRO INDUSTRIA E COMERCIO DE PRODUTOS SIDERURGICOS LTDA.Queimados (RJ)
FM DE JESUS NEGOCIOS E SERVICOS LTDAVolta Redonda (RJ)
METALURGICA AUGUSTO FERRACO LTDAMesquita (RJ)
ELIAS R. DOS SANTOS - ARTE FERRO LTDAItatiaia (RJ)
SMA COMERCIO DE MADEIRA LTDARio das Flores (RJ)
PRESTWUR EMPREENDIMENTOS LTDACampos dos Goytacazes (RJ)
BRASTEC TECNOLOGIA EM METAL LTDASão João de Meriti (RJ)
SERCALD SOLUCOES METALICAS LTDABelford Roxo (RJ)
CITY QUADROS INDUSTRIA E COMERCIO LTDARio de Janeiro (RJ)
ALLUSONIC JANELAS E PORTAS ACUSTICAS LTDARio de Janeiro (RJ)
E D P SERVICOS DE SERRALHERIA LTDARio de Janeiro (RJ)
TECNOWELD LTDAPetrópolis (RJ)
H.E.I TAVARES USINAGEM, SERRALHERIA EM GERAL E SERVICOSSão João de Meriti (RJ)
PEDROSA COMERCIO E SERVICOS LTDARio de Janeiro (RJ)
DANIELA CAMELO PEREIRA LTDARio de Janeiro (RJ)

List limited to 300 companies, 30 per page. Looking for a specific company? Search by name or CNPJ.

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 Janeiro0.4
Brazil0.4

In Rio de Janeiro, the activity weighs 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 29.8% 2,360
2 Duque de Caxias 8.2% 653
3 Nova Iguaçu 6.2% 490
4 São Gonçalo 5.8% 463
5 Belford Roxo 3.6% 287
6 São João de Meriti 3.4% 272
7 Petrópolis 3.1% 245
8 Campos dos Goytacazes 2.3% 184
9 Nova Friburgo 2.1% 170
10 Magé 1.8% 140

20 more cities

11 Niterói 121
12 Teresópolis 119
13 Itaboraí 118
14 Maricá 114
15 Cabo Frio 106
16 Volta Redonda 100
17 Queimados 90
18 Barra Mansa 87
19 Resende 84
20 Mesquita 82
21 Angra dos Reis 80
22 Três Rios 75
23 Araruama 72
24 Macaé 71
25 Itaperuna 64
26 Itaguaí 59
27 Nilópolis 59
28 Saquarema 49
29 Rio das Ostras 46
30 São Pedro da Aldeia 43

Class 2542-0 in Rio de Janeiro

fabricação de artigos de serralheria, exceto esquadrias, by subclass

Close to this: 2512-8/00 · Fabricação de esquadrias de metal, 1,662 companies in Rio de Janeiro.

What activity 2542-0/00 is

A fabricação de cadeados, fechaduras e guarnições; ferragens para construção, para móveis, bolsas, malas; dobradiças, trincos, lâminas para chaves, etc.
A fabricação de conexões, joelhos, luvas e outros artefatos para encanamentos confeccionados em serralherias
A fabricação de artefatos diversos de serralheria e caldeiraria leve

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 2542-0/00 in Rio de Janeiro?

7,919 active companies have CNAE 2542-0/00 as their main activity in Rio de Janeiro, according to the Receita Federal's October 2026 publication. That is 0.4 of every 100 companies there, against 0.4 in Brazil.

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

Rio de Janeiro, with 2,360, 29.8% 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.