CNAE 4321-5/00 · Nilópolis (RJ)
Instalação e manutenção elétrica in Nilópolis (RJ)
209 active companies are headquartered in Nilópolis (RJ) 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 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 Nilópolis (RJ)
- 209
- less than 0.1% of Brazil's
- Of every 100 companies in Nilópolis (RJ)
- 1.3
- do this activity
- Among Rio de Janeiro's cities
- 24th
- by companies in this activity
Active companies in Nilópolis (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 7- MATEC RIO - TECNICAS ELETRICAS E CONSTRUCOES LTDA.Nilópolis (RJ)
- 3C SEGURANCA DO TRABALHO E MEDICINA OCUPACIONAL LTDANilópolis (RJ)
- 3C SERVICOS LTDANilópolis (RJ)
- MT+ ENGENHARIA & ARQUITETURA LTDANilópolis (RJ)
- DSG CONSTRUCAO E EMPREITADA LTDANilópolis (RJ)
- A.S.V. CONSTRUCOES, OBRAS E REFORMAS LTDANilópolis (RJ)
- B DA COSTA GONCALVES LTDANilópolis (RJ)
- ELETRO SIMOES SERVICOS ELETRICOS LTDANilópolis (RJ)
- EMBRATEC INSTALACOES LTDANilópolis (RJ)
- STARLIGHT MATERIAIS E SERVICOS LTDANilópolis (RJ)
- MRF SERVICOS TECNICOS EM ELETRICA E CONSTRUCAO LTDANilópolis (RJ)
- AGILE-UP RIO TELECOMUNICACOES E SISTEMAS DE SEGURANCA LTDANilópolis (RJ)
- ASS TECHNOLOGY SERVICOS DE TELECOMUNICACOES E INFORMATICA LTDANilópolis (RJ)
- HM 2005 MANUTENCAO DE MAQUINAS INDUSTRIAIS COMERCIAIS E INSTALACOES ELETRICAS LTDANilópolis (RJ)
- BRAZIL SOLUTION ENGENHARIA LTDANilópolis (RJ)
- ALLIANCE SERVICOS DE INSTALACAO DE ANTENAS LTDANilópolis (RJ)
- INSIDE SOLUCOES TEC LTDANilópolis (RJ)
- LUIZ SOLAR LTDANilópolis (RJ)
- TECMAX SEGURANCA ELETRONICA LTDANilópolis (RJ)
- INSTALACOES ELETRICAS FETERLUZ LTDANilópolis (RJ)
- ENERGIA RENOVAVEL ALL SUN LTDANilópolis (RJ)
- I J A REFRIGERACAO ABAIXO DE ZERO LTDANilópolis (RJ)
- MANSERVICE COMERCIO E SERVICOS LTDANilópolis (RJ)
- JPG INSTALACOES E MANUTENCOES ELETRICAS LTDANilópolis (RJ)
- S S FREITAS - SEGURANCA LTDANilópolis (RJ)
- PCP REFORMAS E INSTALACOES LTDANilópolis (RJ)
- ANTONIO CARLOS DA SILVA ELIASNilópolis (RJ)
- THIAGO DE BRITO COSTANilópolis (RJ)
- ARIEL DA COSTA DINIZNilópolis (RJ)
- MARCIO DA SILVA SANTOSNilópolis (RJ)
List limited to 209 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
- Nilópolis (RJ)1.3
- Rio de Janeiro1.2
- Brazil1.2
In Nilópolis (RJ), the activity weighs 1.1 times 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 Nilópolis (RJ)
instalações elétricas, by subclassClose to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 23 companies in Nilópolis (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 Nilópolis (RJ)?
209 active companies have CNAE 4321-5/00 as their main activity in Nilópolis (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 Nilópolis (RJ).