CNAE 4321-5/00 · São Paulo
Instalação e manutenção elétrica in São Paulo
93,509 active companies are headquartered in São Paulo with this CNAE as their main activity. They represent 28.5% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 328,370
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 São Paulo
- 93,509
- 28.5% of Brazil's
- Of every 100 companies in São Paulo
- 1.1
- do this activity
- Among Brazil's federative units
- 1st
- by companies in this activity
Active companies in São Paulo
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- MANSERV MONTAGEM E MANUTENCAO S/ASão Paulo (SP)
- CONECTA EMPREENDIMENTOS LTDASão Paulo (SP)
- PEM ENGENHARIA LTDASantana de Parnaíba (SP)
- ONET ENGENHARIA E MANUTENCAO LTDASão Paulo (SP)
- QUALIENG ENGENHARIA DE MONTAGENS LTDADiadema (SP)
- VEMAN MANUTENCAO E GESTAO DE ATIVOS LTDASanto André (SP)
- ANTEC COMERCIO E SERVICOS DE TELECOMUNICACOES LTDASão Paulo (SP)
- ENERGEC ENGENHARIA E CONSTRUCOES LTDAMogi das Cruzes (SP)
- GLOBALLVOX TELECOMUNICACOES E TECNOLOGIA LTDA.São Paulo (SP)
- TDGI FACILITIES E MANUTENCAO DE INSTALACOES LTDA.São Paulo (SP)
- DAMOVO DO BRASIL S.A.São Paulo (SP)
- TERWAN SOLUCOES EM ELETRICIDADE INDUSTRIA E COMERCIO LTDAGuaratinguetá (SP)
- KAEFER TECKMA ENGENHARIA LTDASão Paulo (SP)
- LAND SOLUCOES LTDASão Paulo (SP)
- TS INFRAESTRUTURA E ENGENHARIA S.A.São Paulo (SP)
- SNEF ENERGIA E TELECOMUNICACOES LTDASão Paulo (SP)
- HENISA HIDROELETROMECANICA EMPRESA NACIONAL DE INSTALACOES LTDA. - FALIDASão Paulo (SP)
- GTEL GRUPO TECNICO DE ELETROMECANICA S.ASão Paulo (SP)
- CONTROLLER BMS COMERCIO E SERVICOS PARA AUTOMACAO LTDASão Paulo (SP)
- CONCEPT 1 AUTOMACAO LTDABarueri (SP)
- FM2C SERVICOS VOLANTES LTDACampinas (SP)
- UNIQUE E-COMMERCE E DISTRIBUICAO LTDAValinhos (SP)
- LIG VALE DO PARAIBA SERVICOS DE INSTALACAO E MANUTENCAO ELETRICA LTDAMogi das Cruzes (SP)
- FORNAZARI & PAPINI LTDAAraraquara (SP)
- GR MANUTENCAO E FACILITIES SOCIEDADE UNIPESSOAL LTDASão Paulo (SP)
- TSE AUTOMACAO INDUSTRIAL S.A.Vinhedo (SP)
- TELEINFO ENGENHARIA E INSTALACOES LTDASão Paulo (SP)
- FM2C SERVICOS DE MANUTENCAO LTDACampinas (SP)
- BETEL BELUCCI ELETRICIDADE E TELEFONIA LTDACatanduva (SP)
- POINT SOLAR LTDA.Cerquilho (SP)
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
- São Paulo1.1
- Brazil1.2
In São Paulo, the activity weighs 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 São Paulo
instalações elétricas, by subclassClose to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 12,362 companies in São Paulo.
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 São Paulo?
93,509 active companies have CNAE 4321-5/00 as their main activity in São Paulo, according to the Receita Federal's October 2026 publication. That is 1.1 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 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 São Paulo.