CNAE 4321-5/00 · Duque de Caxias (RJ)
Electrical installation and maintenance in Duque de Caxias (RJ)
1,242 active companies are headquartered in Duque de Caxias (RJ) with this CNAE as their main activity. They represent 0.4% 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 · Rio de Janeiro 26,593
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 Duque de Caxias (RJ)
- 1,242
- 0.4% of Brazil's
- Of every 100 companies in Duque de Caxias (RJ)
- 1.3
- do this activity
- Among Rio de Janeiro's cities
- 4th
- by companies in this activity
Active companies in Duque de Caxias (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- HASHIMOTO SOLUCOES EM ENERGIA LTDADuque de Caxias (RJ)
- ELETROMOTTA MANUTENCAO E INSTALACOES ELETRICAS LTDADuque de Caxias (RJ)
- SAO JORGE INSTALACOES ELETRICAS E HIDRAULICAS LTDADuque de Caxias (RJ)
- MAXPRI COMERCIO E SERVICOS DE APARELHOS E ARTIGOS ELETRONICOS LTDADuque de Caxias (RJ)
- JRA-REFORMAS E INSTALACOES LTDADuque de Caxias (RJ)
- GALVAO SOLUCOES EMPRESARIAIS LTDADuque de Caxias (RJ)
- BRAVO TEC MONITORAMENTO LTDADuque de Caxias (RJ)
- HUB INSTALACOES LTDADuque de Caxias (RJ)
- M DE CARVALHO CONSTRUCAO E REFORMA LTDADuque de Caxias (RJ)
- SMART POWER - SOLUCOES INTELIGENTES RJ LTDADuque de Caxias (RJ)
- GT OBRAS E RECICLAGENS EM GERAL LTDA.Duque de Caxias (RJ)
- OLUZ ILUMINACAO LTDADuque de Caxias (RJ)
- LUCAS REFORMAS E ELETRICA LTDADuque de Caxias (RJ)
- R.R. FAUSTINO PROJETOS, ELETRICA, ELETRONICA E AUTOMACAO EM GERAL LTDADuque de Caxias (RJ)
- CONECTA ENGENHARIA E INSTALACOES LTDADuque de Caxias (RJ)
- VAPP SERVICOS DE TELECOMUNICACOES LTDADuque de Caxias (RJ)
- S&V ELETRICA E CONSTRUCAO LTDADuque de Caxias (RJ)
- FACC MACHADO ENGENHARIA LTDADuque de Caxias (RJ)
- MULTI VOLTAGEM ENGENHARIA ELETRICA LTDADuque de Caxias (RJ)
- CLIMA PERFEITO & SOL PLENO LTDADuque de Caxias (RJ)
- ASB ENGENHARIA DA ELETRICIDADE LTDADuque de Caxias (RJ)
- JJ SOLUTIONS SOLUCOES EM TECNOLOGIADuque de Caxias (RJ)
- MM SOLUCOES EM ELETRICA LTDADuque de Caxias (RJ)
- D J ENGENHARIA E MANUTENCAO LTDADuque de Caxias (RJ)
- GRUPO SOLARES SERVICOS LTDADuque de Caxias (RJ)
- ELECTROLIGHT INSTALACAO E MANUTENCAO ELETRICA LTDADuque de Caxias (RJ)
- JM MANUTENCAO E REPAROS LTDADuque de Caxias (RJ)
- INSTALADORA MATRIX EVOLUTION LTDADuque de Caxias (RJ)
- GILTLUZ SERVICOS DE ELETRICA E PRODUCOES ARTISTICAS LTDADuque de Caxias (RJ)
- JLC ENGENHARIA E SOLUCOES LTDADuque de Caxias (RJ)
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
- Duque de Caxias (RJ)1.3
- Rio de Janeiro1.2
- Brazil1.2
In Duque de Caxias (RJ), the activity weighs what it does in Brazil.
Rio de Janeiro's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Rio de Janeiro 39.7% 10,569
- 2 São Gonçalo 6.4% 1,710
- 3 Nova Iguaçu 5.1% 1,365
- 4 Duque de Caxias 4.7% 1,242
- 5 Niterói 3.3% 888
- 6 Petrópolis 2.9% 759
- 7 Belford Roxo 2.5% 661
- 8 Campos dos Goytacazes 2.3% 605
- 9 São João de Meriti 2.2% 572
- 10 Maricá 2.1% 557
20 more cities
- 11 Cabo Frio 438
- 12 Itaboraí 394
- 13 Macaé 363
- 14 Teresópolis 343
- 15 Volta Redonda 337
- 16 Magé 329
- 17 Angra dos Reis 321
- 18 Rio das Ostras 307
- 19 Mesquita 292
- 20 Nova Friburgo 287
- 21 Barra Mansa 231
- 22 Araruama 227
- 23 Queimados 220
- 24 Nilópolis 209
- 25 Resende 208
- 26 Saquarema 193
- 27 São Pedro da Aldeia 192
- 28 Itaguaí 164
- 29 Itaperuna 162
- 30 Japeri 128
Class 4321-5 in Duque de Caxias (RJ)
instalações elétricas, by subclassClose to this: 4322-3/01 · Plumbing, sanitary and gas installations, 212 companies in Duque de Caxias (RJ).
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 Duque de Caxias (RJ)?
1,242 active companies have CNAE 4321-5/00 as their main activity in Duque de Caxias (RJ), according to the Receita Federal's October 2026 publication. That is 1.3 of every 100 companies there, against 1.2 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 10,569, 39.7% 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 Duque de Caxias (RJ).