CNAE 4321-5/00 · Rio Claro (RJ)
Instalação e manutenção elétrica in Rio Claro (RJ)
21 active companies are headquartered in Rio Claro (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 Rio Claro (RJ)
- 21
- less than 0.1% of Brazil's
- Of every 100 companies in Rio Claro (RJ)
- 1.2
- do this activity
- Among Rio de Janeiro's cities
- 69th
- by companies in this activity
Active companies in Rio Claro (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- WU ELETRICA E MANUTENCAO LTDARio Claro (RJ)
- EXCELENT ELETRICA SERVICOS LTDARio Claro (RJ)
- RODRIGO MARQUES DA SILVA SERVICOS LTDARio Claro (RJ)
- DELTA ENERGIA USFV RIO CLARO SPE LTDARio Claro (RJ)
- FERNANDA RODRIGUES DE OLIVEIRARio Claro (RJ)
- MAICA JOSELAINE DA SILVA BARRETO DA COSTARio Claro (RJ)
- WELLINGTON PONCIANO MOREIRARio Claro (RJ)
- JANILTON AMORIM RAPOSORio Claro (RJ)
- RENATO CARVALHO DAMASCENORio Claro (RJ)
- FABIANO DE OLIVEIRA MARTINSRio Claro (RJ)
- CLAUDIO EDUARDO CAMPOSRio Claro (RJ)
- EVERALDO CORREIA DE ALMEIDARio Claro (RJ)
- MATHEWS ALAN RAMOS PACHECORio Claro (RJ)
- JOAO MARCELO PORTORio Claro (RJ)
- ALEXANDRE CORDEIRO MARVILA FERNANDESRio Claro (RJ)
- ALDELAIR PORTELA LEOPOLDORio Claro (RJ)
- JULIEBERTON AMORIM RAPOSORio Claro (RJ)
- JOSE MIROSMAR DA SILVA CARVALHORio Claro (RJ)
- BRUNO DA SILVA OLIVEIRARio Claro (RJ)
- IKEY FONSECA DE ALMEIDARio Claro (RJ)
- MARCON LACERDA DA COSTARio Claro (RJ)
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
- Rio Claro (RJ)1.2
- Rio de Janeiro1.2
- Brazil1.2
In Rio Claro (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
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 Rio Claro (RJ)?
21 active companies have CNAE 4321-5/00 as their main activity in Rio Claro (RJ), according to the Receita Federal's October 2026 publication. That is 1.2 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 Rio Claro (RJ).