CNAE 2542-0/00 · Maranhão
Manufacture of locksmith and ironwork articles, except doors and windows in Maranhão
983 active companies are headquartered in Maranhão with this CNAE as their main activity. They represent 1.0% 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 Maranhão
- 983
- 1.0% of Brazil's
- Of every 100 companies in Maranhão
- 0.3
- do this activity
- Among Brazil's federative units
- 17th
- by companies in this activity
Active companies in Maranhão
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 10- SERRALHERIA ED FERRO LTDALago da Pedra (MA)
- FERROMAX SERRALHERIA LTDABalsas (MA)
- R PACHECO FERREIRA LIMITADASão Vicente Ferrer (MA)
- J B MENDONCA EMPREENDIMENTOS LTDAImperatriz (MA)
- E CHAVES DO NASCIMENTO LTDASanta Luzia do Paruá (MA)
- METALURGICA CORTINA DE ACO LTDACaxias (MA)
- EQUIPAR CONTEINER LOCACAO E SERVICOS LTDAPaço do Lumiar (MA)
- REGINALDO DA SILVA LTDAVitorino Freire (MA)
- Z OLIVEIRA VIANA COMERCIO E SERVICOS LTDASão Luís (MA)
- ED FERRO EMPREENDIMENTOS LTDATrizidela do Vale (MA)
- D. F ESTRUTURAL LTDAPedreiras (MA)
- JOAO DE DEUS SERRALHEIRA LTDAPirapemas (MA)
- E R DA SILVA VIDROS LTDACodó (MA)
- GV METAIS LTDAJoão Lisboa (MA)
- SERRALHERIA AGUIA LTDAGonçalves Dias (MA)
- METALURGICA MC LTDASão Luís (MA)
- A. S. DINIZ VARIEDADES LTDAImperatriz (MA)
- SEMETAL SERRALHERIA LTDABacabeira (MA)
- BELO MONTE MULTISERVICE LTDAImperatriz (MA)
- R A ARTE COMERCIO LTDAImperatriz (MA)
- DAVI DOS SANTOS SANTIAGO LTDABalsas (MA)
- METAL PRATA ESTRUTURAS METALICAS LTDABacabal (MA)
- G B SOUSA LTDACentro Novo do Maranhão (MA)
- ARTE FERRO LTDACaxias (MA)
- SOLDA MAIS METALURGICA E SERRALHERIA LTDAColinas (MA)
- MARTINS INOX E FERRO LTDAImperatriz (MA)
- LIMA & ROCHA LTDASanta Inês (MA)
- J V DIAS SERRALHERIA LTDAImperatriz (MA)
- ETS LTDATimon (MA)
- D & R SERVICOS LTDAImperatriz (MA)
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
- Maranhão0.3
- Brazil0.4
In Maranhão, the activity weighs less than in Brazil.
Maranhão's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Luís 23.6% 232
- 2 Imperatriz 11.5% 113
- 3 São José de Ribamar 6.0% 59
- 4 Balsas 4.1% 40
- 5 Timon 4.0% 39
- 6 Paço do Lumiar 3.1% 30
- 7 Açailândia 2.3% 23
- 8 Caxias 1.8% 18
- 9 Santa Inês 1.8% 18
- 10 Itapecuru Mirim 1.5% 15
20 more cities
- 11 Presidente Dutra 15
- 12 Bacabal 13
- 13 Raposa 12
- 14 Barra do Corda 10
- 15 Codó 10
- 16 Grajaú 10
- 17 Porto Franco 9
- 18 Estreito 9
- 19 Lago da Pedra 8
- 20 Zé Doca 8
- 21 Arari 7
- 22 Parnarama 7
- 23 Pinheiro 7
- 24 São Domingos do Maranhão 7
- 25 Tutóia 7
- 26 Itinga do Maranhão 6
- 27 Carolina 6
- 28 Chapadinha 6
- 29 Coelho Neto 6
- 30 São Mateus do Maranhão 6
Class 2542-0 in Maranhão
fabricação de artigos de serralheria, exceto esquadrias, by subclassClose to this: 2512-8/00 · Manufacture of metal doors and windows, 402 companies in Maranhão.
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 Maranhão?
983 active companies have CNAE 2542-0/00 as their main activity in Maranhão, according to the Receita Federal's October 2026 publication. That is 0.3 of every 100 companies there, against 0.4 in Brazil.
Which of Maranhão's cities has the most companies in this activity?
São Luís, with 232, 23.6% 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 Maranhão.