CNAE 8640-2/05 · Volta Redonda (RJ)
Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia in Volta Redonda (RJ)
19 active companies are headquartered in Volta Redonda (RJ) with this CNAE as their main activity. They represent 0.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 9,757 · Rio de Janeiro 1,023
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 Volta Redonda (RJ)
- 19
- 0.2% of Brazil's
- Of every 100 companies in Volta Redonda (RJ)
- 0.1
- do this activity
- Among Rio de Janeiro's cities
- 9th
- by companies in this activity
Active companies in Volta Redonda (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- INSTITUTO DA MULHER SERVICOS MEDICOS LTDA EM RECUPERACAO JUDICIALVolta Redonda (RJ)
- RADIOCENTRO - CENTRO ODONTOLOGICO DE DOCUMENTACAO ORTODONTICA LTDAVolta Redonda (RJ)
- IMAGEMVIDA CURSO PREPARATORIO EM RADIOLOGIA E DIAGNOSTICO POR IMAGEM LTDA.Volta Redonda (RJ)
- SERVICOS ESPECIALIZADOS DE RADIOLOGIA ODONTOLOGICA SERO LTDAVolta Redonda (RJ)
- CLINICA DE RADIOLOGIA E IMAGINOLOGIA ODONTOLOGICA LTDAVolta Redonda (RJ)
- P K C SERVICOS DE RADIOLOGIA LTDAVolta Redonda (RJ)
- DIAGNOSCAN SERVICOS DE IMAGEM LTDAVolta Redonda (RJ)
- RADIO VR IMAGENS SERVICOS DE RADIOLOGIA LTDAVolta Redonda (RJ)
- CLINICA RADIOLOGICA SAO JOAO BATISTA LTDAVolta Redonda (RJ)
- START SERVICOS DE RADIOLOGIA LTDAVolta Redonda (RJ)
- XR IMAGENS LTDAVolta Redonda (RJ)
- SOARES FERREIRA - DIAGNOSTICO POR IMAGEM LTDAVolta Redonda (RJ)
- D&W SERVICOS RADIOLOGICOS LTDAVolta Redonda (RJ)
- MEDSCAN ASSIT DIAGNOSTICO E SUPORTE LTDAVolta Redonda (RJ)
- SERVICOS MEDICOS AMIM ELIAS LTDA.Volta Redonda (RJ)
- CARDIOCINE SUL FLUMINENSE DE HEMODINAMICA V.R LTDAVolta Redonda (RJ)
- CADIMAGEM CENTRO AUXILIAR DE DIAGNOSTICO POR IMAGEM S/SVolta Redonda (RJ)
- A A ALVES COSTA SERVICOS DE OPERACAO EQUIPAMENTOS HOSPITALARESVolta Redonda (RJ)
- CINTIA CAETANO CAVALCANTI SERVICO DE DOCUMENTACAO ORTODONTICAVolta Redonda (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
- Volta Redonda (RJ)0.1
- Rio de Janeiro0.0
- Brazil0.0
In Volta Redonda (RJ), the activity weighs 1.6 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 44.5% 455
- 2 Duque de Caxias 11.4% 117
- 3 Niterói 8.9% 91
- 4 São Gonçalo 3.0% 31
- 5 Campos dos Goytacazes 2.9% 30
- 6 Petrópolis 2.2% 23
- 7 Nova Iguaçu 2.1% 21
- 8 Cabo Frio 2.0% 20
- 9 Volta Redonda 1.9% 19
- 10 Araruama 1.4% 14
20 more cities
- 11 Macaé 14
- 12 Barra Mansa 11
- 13 Itaperuna 11
- 14 São João de Meriti 11
- 15 Teresópolis 11
- 16 Nova Friburgo 10
- 17 Resende 10
- 18 Belford Roxo 8
- 19 Rio Bonito 8
- 20 Saquarema 8
- 21 Três Rios 8
- 22 Maricá 7
- 23 Itaboraí 6
- 24 Nilópolis 6
- 25 Paraíba do Sul 6
- 26 Magé 5
- 27 São Pedro da Aldeia 5
- 28 Valença 5
- 29 Angra dos Reis 4
- 30 Barra do Piraí 4
Class 8640-2 in Volta Redonda (RJ)
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica | 4 |
| 8640-2/02 Laboratórios clínicos | 19 |
| 8640-2/03 Serviços de diálise e nefrologia | 3 |
| 8640-2/04 Serviços de tomografia | 3 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia · this one | 19 |
| 8640-2/06 Serviços de ressonância magnética | 1 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 11 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 1 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 2 |
| 8640-2/10 Serviços de quimioterapia | 0 |
| 8640-2/11 Serviços de radioterapia | 4 |
| 8640-2/12 Serviços de hemoterapia | 0 |
| 8640-2/13 Serviços de litotripcia | 0 |
| 8640-2/14 Serviços de bancos de células e tecidos humanos | 0 |
| 8640-2/99 Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente | 17 |
Close to this: 8640-2/04 · Serviços de tomografia, 3 companies in Volta Redonda (RJ).
What activity 8640-2/05 is
- Os serviços de radiodiagnóstico, tais como: #- radiologia médica e odontológica #- densitometria óssea #- hemodinâmica #- medicina nuclear #- mamografia #- fluoroscopia
- As atividades de unidades móveis equipadas apenas de laboratório radiológico, com pessoal especializado, sem fornecimento de consultas médicas
Frequently asked questions
How many companies have main CNAE 8640-2/05 in Volta Redonda (RJ)?
19 active companies have CNAE 8640-2/05 as their main activity in Volta Redonda (RJ), according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.0 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 455, 44.5% 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 Volta Redonda (RJ).