CNAE 2542-0/00 · Magé (RJ)
Fabricação de artigos de serralheria, exceto esquadrias in Magé (RJ)
140 active companies are headquartered in Magé (RJ) with this CNAE as their main activity. They represent 0.1% 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 · Rio de Janeiro 7,919
What this list shows
We count each active company once, by its head office in the city 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 Magé (RJ)
- 140
- 0.1% of Brazil's
- Of every 100 companies in Magé (RJ)
- 0.6
- do this activity
- Among Rio de Janeiro's cities
- 10th
- by companies in this activity
Active companies in Magé (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 5- METAL STRUCTURE LTDAMagé (RJ)
- BC SERRALHARIA E COMERCIO LTDAMagé (RJ)
- SILVA & BATISTA SERRALHERIA LTDAMagé (RJ)
- ROGERIO BRAZ BERNARDINOMagé (RJ)
- EDMILSON TAVARES DOS SANTOSMagé (RJ)
- LIGIANE CORDEIRO DE OLIVEIRA RODRIGUESMagé (RJ)
- ELIZEU CARDOSOMagé (RJ)
- LINCOLN DOS SANTOS JANSEN SILVAMagé (RJ)
- LUIZ FELIPE DUTRA DE SOUZAMagé (RJ)
- W.L.S. SANTOS SERRALHERIA E VIDRACARIAMagé (RJ)
- N. C. BARRETO - SERVICOSMagé (RJ)
- FKJ CONSTRUCOES E REFORMASMagé (RJ)
- ISAAC BOANEGES SOARES DA SILVAMagé (RJ)
- ROBERTO PEREIRA DO CARMOMagé (RJ)
- CARLOS JOSE DO NASCIMENTOMagé (RJ)
- ALESSANDRO EMILIANO DOS SANTOSMagé (RJ)
- CLAUDIO ROSA DA SILVA LOURENCOMagé (RJ)
- MATHEUS HENRIQUE SANTOS SANTANAMagé (RJ)
- PHELIPPE DA SILVA FERREIRAMagé (RJ)
- NATHAN DE FREITAS NUNESMagé (RJ)
- HENRIQUE LUIZ FERNANDES DE SOUZAMagé (RJ)
- LUIZ AUGUSTO PIRES DE FREITASMagé (RJ)
- CLEITON SANTOS DA SILVAMagé (RJ)
- GABRIEL MARTINS PEREIRA SILVAMagé (RJ)
- BRUNO COSTA PEREIRAMagé (RJ)
- ROBSON VIANA DOS SANTOSMagé (RJ)
- MELQUISEDECK DA SILVA TEIXEIRAMagé (RJ)
- ITACI GONCALVES COSTAMagé (RJ)
- RENATO DUARTE PORTOMagé (RJ)
- ELCIO TEIXEIRA MACHADOMagé (RJ)
List limited to 140 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
- Magé (RJ)0.6
- Rio de Janeiro0.4
- Brazil0.4
In Magé (RJ), the activity weighs 1.6 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 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 Magé (RJ)
fabricação de artigos de serralheria, exceto esquadrias, by subclassClose to this: 2512-8/00 · Fabricação de esquadrias de metal, 28 companies in Magé (RJ).
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
Frequently asked questions
How many companies have main CNAE 2542-0/00 in Magé (RJ)?
140 active companies have CNAE 2542-0/00 as their main activity in Magé (RJ), according to the Receita Federal's October 2026 publication. That is 0.6 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 the city?
This scope counts active companies by their head office and registered main activity. A company may operate in the city 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 Magé (RJ).