CNAE 8640-2/05 · Rio de Janeiro
Diagnostic imaging with ionizing radiation, except tomography in Rio de Janeiro
1,023 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 10.5% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 9,757
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 Rio de Janeiro
- 1,023
- 10.5% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 3rd
- by companies in this activity
Active companies in Rio de Janeiro
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 4 of 10- SOS SERVICO DE DIAGNOSTICO POR IMAGEM LTDARio de Janeiro (RJ)
- ALPORGES COMERCIO E SERVICOS LTDABelford Roxo (RJ)
- NS IRDO - DIAGNOSTICO POR IMAGEM ODONTOLOGICO LTDARio de Janeiro (RJ)
- INSTITUTO NEXUS MEDICINA AVANCADA LTDASão João da Barra (RJ)
- SERVICOS DE RADIOLOGIA DE ARARUAMA LTDAAraruama (RJ)
- RADIO FACE EXAMES DE IMAGEM LTDA.Rio de Janeiro (RJ)
- PEREIRA SOARES - CLINICA DE IMAGENS LTDARio de Janeiro (RJ)
- CENTRO DE RADIOTERAPIA RIO DE JANEIRO LTDADuque de Caxias (RJ)
- IMAGEMAX SERVICOS TECNICOS EM RADIOLOGIA LTDARio de Janeiro (RJ)
- RADIOLOGIA ODONTOLOGICA MONTE POLLINO LTDARio de Janeiro (RJ)
- IMAGEM VET.BR LTDARio de Janeiro (RJ)
- 3I IMAGEM E DIAGNOSTICO LTDANiterói (RJ)
- RM DIAGNOSTICO POR IMAGEM LTDA.Resende (RJ)
- CLINICA ODONTO RADIOLOGICA COPA 500 LTDARio de Janeiro (RJ)
- TELES DIAGNOSTICO S/S LTDARio de Janeiro (RJ)
- RAD MED DIAGNOSTICO POR IMAGEM LTDACampos dos Goytacazes (RJ)
- J L B RAIO X ODONTOLOGICO LTDADuque de Caxias (RJ)
- JRX RADIOLOGIA LTDAAraruama (RJ)
- CENTRO MEDICO ALPHA LTDABelford Roxo (RJ)
- QUALIVIEW DIAGNOSTICO S.A.Cabo Frio (RJ)
- DENTAL IMAGE RADIOLOGIA ODONTOLOGICA LTDARio de Janeiro (RJ)
- CRI - CLINICA DE RADIOTERAPIA INGA LTDANiterói (RJ)
- PRIME IMAGEM RADIOLOGICA LTDAResende (RJ)
- 3X DIAGNOSTICOS POR IMAGEM LTDARio de Janeiro (RJ)
- DOCTOR X TOP IMAGEM CLINICA RADIOLOGICA LTDARio de Janeiro (RJ)
- RMO - RADIOLOGIA MEDICA ORO FACIAL LTDARio de Janeiro (RJ)
- SUPREMA DIAGNOSTICO LTDARio de Janeiro (RJ)
- L.LIMA DOS SANTOS LTDASaquarema (RJ)
- DOPI X DIAGNOSTICO ODONTOLOGICO POR IMAGEM LTDARio de Janeiro (RJ)
- ELLO DIAGNOSTICOS POR IMAGEM LTDARio de Janeiro (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
- Rio de Janeiro0.0
- Brazil0.0
In Rio de Janeiro, the activity weighs 1.3 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 Rio de Janeiro
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Pathological anatomy and cytology laboratories | 129 |
| 8640-2/02 Clinical laboratories | 1,189 |
| 8640-2/03 Dialysis and nephrology services | 104 |
| 8640-2/04 Computed tomography services | 591 |
| 8640-2/05 Diagnostic imaging with ionizing radiation, except tomography · this one | 1,023 |
| 8640-2/06 Magnetic resonance imaging services | 56 |
| 8640-2/07 Diagnostic imaging without ionizing radiation, except MRI | 447 |
| 8640-2/08 Diagnostic services by graphic recording - ECG, EEG and similar tests | 132 |
| 8640-2/09 Diagnostic services by optical methods - endoscopy and similar tests | 97 |
| 8640-2/10 Chemotherapy services | 32 |
| 8640-2/11 Radiotherapy services | 40 |
| 8640-2/12 Hemotherapy services | 22 |
| 8640-2/13 Lithotripsy services | 0 |
| 8640-2/14 Human cell and tissue bank services | 2 |
| 8640-2/99 Diagnostic and therapeutic support services not elsewhere classified | 394 |
Close to this: 8640-2/04 · Computed tomography services, 591 companies in Rio de Janeiro.
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 Rio de Janeiro?
1,023 active companies have CNAE 8640-2/05 as their main activity in Rio de Janeiro, according to the Receita Federal's October 2026 publication. That is 0.0 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 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 Rio de Janeiro.