CNAE 4321-5/00 · Mairinque (SP)
Instalação e manutenção elétrica in Mairinque (SP)
115 active companies are headquartered in Mairinque (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
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 Mairinque (SP)
- 115
- less than 0.1% of Brazil's
- Of every 100 companies in Mairinque (SP)
- 1.6
- do this activity
- Among São Paulo's cities
- 122nd
- by companies in this activity
Active companies in Mairinque (SP)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 4- FAG INSTALACAO E MANUTENCAO DE EQUIPAMENTOS ELETRICOS LTDAMairinque (SP)
- E M R SERVICOS DE ELETRICAS LIMITADAMairinque (SP)
- PME PROJETOS E MONTAGENS ELETRICAS LTDAMairinque (SP)
- LUMENS MANUTENCOES E INSTALACOES LTDAMairinque (SP)
- ENGECARD AUTOMACAO INDUSTRIAL LTDAMairinque (SP)
- WT MANUTENCAO INDUSTRIAL LTDAMairinque (SP)
- L.C CORSI SERVICOS LTDAMairinque (SP)
- ANDERSON JOSE CARVALHO DA SILVA SERVICOS LTDAMairinque (SP)
- AMR MATERIAIS E SERVICOS ELETRICOS LTDAMairinque (SP)
- CLAUDINEI DOMINGUES MIRANDA SERVICOS ELETRICOSMairinque (SP)
- DEYVISON MARKES PINTOMairinque (SP)
- CLAUDEMIR FELIX DA CRUZ JUNIORMairinque (SP)
- LUIS FELIPE AMARAL MORI SOUZAMairinque (SP)
- JULIO CESAR FORTUNATO DE AMORIMMairinque (SP)
- LIDIA EMONGES DA SILVAMairinque (SP)
- NEWTON DAS NEVES REISMairinque (SP)
- MARLON RAUPPMairinque (SP)
- MARCOS ANTONIO DIAS GOMES MAIRINQUEMairinque (SP)
- DANIEL RABELO NUNESMairinque (SP)
- JARDEL GOMES OLIVEIRAMairinque (SP)
- PAULO SERGIO DE OLIVEIRA PEREIRAMairinque (SP)
- HUDSON FERNANDO DE OLIVEIRAMairinque (SP)
- FERNANDO PEDROSO DOS SANTOSMairinque (SP)
- AFONSO DONIZETI RINALDINIMairinque (SP)
- MAICSON DE SOUZA SOTTIMairinque (SP)
- IGOR FERREIRA DE CARVALHOMairinque (SP)
- ROBINSON LEONARDO DE SOUZAMairinque (SP)
- DENIS ALEXANDRE RAMALHOMairinque (SP)
- PEDRO FELIPE DE LIMAMairinque (SP)
- BRUNO HENRIQUE NUNES FAUSTINOMairinque (SP)
List limited to 115 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
- Mairinque (SP)1.6
- São Paulo1.1
- Brazil1.2
In Mairinque (SP), the activity weighs 1.4 times what it does 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 25.8% 24,137
- 2 Campinas 3.1% 2,901
- 3 Guarulhos 2.6% 2,402
- 4 Ribeirão Preto 2.0% 1,858
- 5 Sorocaba 2.0% 1,846
- 6 São José dos Campos 1.6% 1,504
- 7 São Bernardo do Campo 1.5% 1,435
- 8 São José do Rio Preto 1.5% 1,426
- 9 Santo André 1.5% 1,356
- 10 Osasco 1.4% 1,332
20 more cities
- 11 Mogi das Cruzes 1,046
- 12 Bauru 1,018
- 13 Piracicaba 1,003
- 14 Jundiaí 981
- 15 Praia Grande 927
- 16 Santos 844
- 17 Carapicuíba 841
- 18 Mauá 830
- 19 Franca 824
- 20 Sumaré 811
- 21 Diadema 798
- 22 Indaiatuba 779
- 23 Limeira 727
- 24 Suzano 727
- 25 Barueri 697
- 26 Itaquaquecetuba 678
- 27 Americana 673
- 28 Hortolândia 671
- 29 Guarujá 663
- 30 São Vicente 653
Class 4321-5 in Mairinque (SP)
instalações elétricas, by subclassClose to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 6 companies in Mairinque (SP).
What activity 4321-5/00 is
- A instalação, alteração, manutenção e reparo em todos os tipos de construções de: #- sistemas de eletricidade (cabos de qualquer tensão, fiação, materiais elétricos, etc.) #- cabos para instalações telefônicas e de comunicações #- cabos para redes de informática e televisão a cabo, inclusive por fibra óptica #- antenas coletivas e parabólicas #- pára-raios #- sistemas de iluminação #- sistemas de alarme contra incêndio #- sistemas de alarme contra roubo #- sistemas de controle eletrônico e automação predial
- A instalação de equipamentos elétricos para aquecimento
Frequently asked questions
How many companies have main CNAE 4321-5/00 in Mairinque (SP)?
115 active companies have CNAE 4321-5/00 as their main activity in Mairinque (SP), according to the Receita Federal's October 2026 publication. That is 1.6 of every 100 companies there, against 1.2 in Brazil.
Which of São Paulo's cities has the most companies in this activity?
São Paulo, with 24,137, 25.8% 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 Mairinque (SP).