CNAE 2542-0/00 · Porto Alegre (RS)
Manufacture of locksmith and ironwork articles, except doors and windows in Porto Alegre (RS)
636 active companies are headquartered in Porto Alegre (RS) with this CNAE as their main activity. They represent 0.7% 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 Grande do Sul 5,729
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 Porto Alegre (RS)
- 636
- 0.7% of Brazil's
- Of every 100 companies in Porto Alegre (RS)
- 0.2
- do this activity
- Among Rio Grande do Sul's cities
- 1st
- by companies in this activity
Active companies in Porto Alegre (RS)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- BLOQUER INDUSTRIA E COMERCIO DE EQUIPAMENTOS DE SEGURANCA LTDAPorto Alegre (RS)
- SERRALHERIA AUTOMATEC LTDAPorto Alegre (RS)
- TOLDOS E SERRALHERIA PERFEICAO LTDAPorto Alegre (RS)
- ESQUADRILAR ESQUADRIAS METALICAS LTDAPorto Alegre (RS)
- GRADINI - INDUSTRIA E COMERCIO DE PORTAS E ESCADAS LTDAPorto Alegre (RS)
- PASTRO E KLOSS FABRICACAO E COMERCIO DE ARTEFATOS METALICOS LTDAPorto Alegre (RS)
- GASPAR FABRICA DE GRADES E PORTOES DE METAL LTDAPorto Alegre (RS)
- PAULO ENRIQUE BICA IBARRE LTDAPorto Alegre (RS)
- SERRALHERIA DO GE LTDAPorto Alegre (RS)
- DJR TOLDOS LTDAPorto Alegre (RS)
- SERRALHERIA PORTELA LTDAPorto Alegre (RS)
- A.D.PORTAS AUTOMATICAS COM.E INSTALACOES DE SISTEMAS ELETRONICOS E ELEVADORES LTDAPorto Alegre (RS)
- WAICAMPE E BASTOS LTDAPorto Alegre (RS)
- PROTEAQUECE ESTAMPADOS DE METAIS LTDAPorto Alegre (RS)
- METALIZE ESTRUTURAS METALICAS LTDAPorto Alegre (RS)
- RF SERRALHERIA LTDAPorto Alegre (RS)
- MEGAFER ESTRUTURAS METALICAS LTDAPorto Alegre (RS)
- PK SUL - FABRICACAO E COMERCIO DE ARTEFATOS METALICOS LTDAPorto Alegre (RS)
- PRIMOSSUL SERRALHERIA LTDAPorto Alegre (RS)
- UNIKA CLASS ESQUADRIAS DE ALUMINIO E VIDROS LTDAPorto Alegre (RS)
- SERRALHERIA BUENO LTDAPorto Alegre (RS)
- R. BASEGGIO LTDAPorto Alegre (RS)
- METALURGICA EMILIO MENDES LTDAPorto Alegre (RS)
- SERRALHERIA E SOLDAS ESPECIAIS GEIER LTDAPorto Alegre (RS)
- SERRALHERIA TECNOFER LTDAPorto Alegre (RS)
- IDESOL SISTEMAS DE AQUECIMENTO DE AGUA E ENERGIAS RENOVAVEIS LTDAPorto Alegre (RS)
- SG ARTEFATOS EM FERRO LTDAPorto Alegre (RS)
- SERRALHERIA WM PORTO ALEGRE LTDAPorto Alegre (RS)
- ARTFERSERRALHERIA LTDAPorto Alegre (RS)
- STEEL ESTRUTURAS METALICAS LTDAPorto Alegre (RS)
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
- Porto Alegre (RS)0.2
- Rio Grande do Sul0.3
- Brazil0.4
In Porto Alegre (RS), the activity weighs less than in Brazil.
Rio Grande do Sul's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Porto Alegre 11.1% 636
- 2 Caxias do Sul 6.5% 372
- 3 Gravataí 3.9% 226
- 4 Viamão 3.3% 190
- 5 Pelotas 3.2% 185
- 6 Santa Maria 3.2% 184
- 7 Canoas 2.8% 159
- 8 Alvorada 2.6% 148
- 9 Novo Hamburgo 2.0% 116
- 10 São Leopoldo 1.9% 111
20 more cities
- 11 Passo Fundo 108
- 12 Sapucaia do Sul 106
- 13 Cachoeirinha 98
- 14 Santa Cruz do Sul 90
- 15 Bagé 66
- 16 Guaíba 65
- 17 Rio Grande 60
- 18 Santo Ângelo 58
- 19 Cachoeira do Sul 56
- 20 Uruguaiana 56
- 21 Sant'Ana do Livramento 54
- 22 Cruz Alta 48
- 23 Esteio 47
- 24 Bento Gonçalves 46
- 25 Alegrete 44
- 26 Carazinho 44
- 27 Farroupilha 44
- 28 Santa Rosa 44
- 29 Ijuí 41
- 30 Canela 39
Class 2542-0 in Porto Alegre (RS)
fabricação de artigos de serralheria, exceto esquadrias, by subclassClose to this: 2512-8/00 · Manufacture of metal doors and windows, 217 companies in Porto Alegre (RS).
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 Porto Alegre (RS)?
636 active companies have CNAE 2542-0/00 as their main activity in Porto Alegre (RS), according to the Receita Federal's October 2026 publication. That is 0.2 of every 100 companies there, against 0.4 in Brazil.
Which of Rio Grande do Sul's cities has the most companies in this activity?
Porto Alegre, with 636, 11.1% 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 Porto Alegre (RS).