CNAE 2542-0/00 · Serrana (SP)

Manufacture of locksmith and ironwork articles, except doors and windows in Serrana (SP)

18 active companies are headquartered in Serrana (SP) with this CNAE as their main activity. They represent less than 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 · São Paulo 25,616

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 Serrana (SP): 18; less than 0.1% of Brazil's
Of every 100 companies in Serrana (SP): 0.3; do this activity
Among São Paulo's cities: 208th; by companies in this activity

Active companies in Serrana (SP)

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.

KOPEZAK COMERCIAL LTDASerrana (SP)
FOAJUPE ADMINISTRACAO DE NEGOCIOS LTDASerrana (SP)
SERMONF SERRALHERIA E MONTAGEM LTDASerrana (SP)
ESF ESTRUTURAS METALICAS LTDASerrana (SP)
ROMERIO MUNIZ SILVASerrana (SP)
REIJANE MUNIZ DA SILVASerrana (SP)
ATEMILSON SANTOS DE CASTRO DIAS BUENOSerrana (SP)
BRUNO SOARES DOS SANTOSSerrana (SP)
EDSON JOSE FELIX FILHOSerrana (SP)
KAYKY BRITO ALVESSerrana (SP)
WESLEY DE FARIAS PINTOSerrana (SP)
MARCELO FLORES DA COSTASerrana (SP)
GILBERTO PEREIRA DE SOUZASerrana (SP)
MONICA RODRIGUES PEREIRASerrana (SP)
JOSE PAULO DOS SANTOSSerrana (SP)
MOIZES MENDES DE AGUIARSerrana (SP)
MADSON SOUSA ALVESSerrana (SP)
GENILSON SANTOS DE CASTROSerrana (SP)

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

Serrana (SP)0.3
São Paulo0.3
Brazil0.4

In Serrana (SP), the activity weighs less than in Brazil.

São Paulo's cities with the most companies in this activity

active companies and each city's share of the state

1 São Paulo 21.3% 5,461
2 Guarulhos 3.0% 781
3 Campinas 3.0% 775
4 Sorocaba 2.1% 547
5 São José do Rio Preto 1.7% 440
6 São José dos Campos 1.7% 434
7 Ribeirão Preto 1.6% 405
8 Bauru 1.4% 348
9 São Bernardo do Campo 1.3% 338
10 Santo André 1.3% 334

20 more cities

11 Piracicaba 279
12 Osasco 272
13 Mogi das Cruzes 263
14 Itaquaquecetuba 260
15 Sumaré 251
16 Praia Grande 240
17 Hortolândia 229
18 Marília 226
19 Jundiaí 219
20 Suzano 217
21 Guarujá 214
22 Diadema 213
23 Taubaté 203
24 Limeira 188
25 Itapevi 182
26 Mauá 173
27 Indaiatuba 171
28 Cotia 162
29 Franca 162
30 Taboão da Serra 160

Class 2542-0 in Serrana (SP)

fabricação de artigos de serralheria, exceto esquadrias, by subclass

Close to this: 2599-3/01 · Fabrication of metal reinforcement for construction, 8 companies in Serrana (SP).

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 Serrana (SP)?

18 active companies have CNAE 2542-0/00 as their main activity in Serrana (SP), 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 São Paulo's cities has the most companies in this activity?

São Paulo, with 5,461, 21.3% 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 Serrana (SP).