CNAE 8640-2/06 · Rio de Janeiro
Serviços de ressonância magnética in Rio de Janeiro
56 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 6.7% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 841
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
- 56
- 6.7% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 5th
- 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 1 of 2- ILAGOS DIAGNOSTICOS POR IMAGEM LTDA.Cabo Frio (RJ)
- IRM RESSONANCIA MAGNETICA LTDARio de Janeiro (RJ)
- ULTRAMED R B LTDAAngra dos Reis (RJ)
- RADIOLOGIA E ULTRASSONOGRAFIA TANNUS LTDAItaperuna (RJ)
- CLIMEDIMAGEM FRAGOSO LTDAMagé (RJ)
- IRSA - INSTITUTO DE RADIOLOGIA LTDANiterói (RJ)
- INSTITUTO DE RESSONANCIA MAGNETICA LTDARio de Janeiro (RJ)
- CLINICA DE IMAGEM COMPUTADORIZADA LTDA.Angra dos Reis (RJ)
- ORTO IMAGENS LTDAItaperuna (RJ)
- L. A. DIAGNOSTICOS SERVICOS MEDICOS LTDA -Macaé (RJ)
- CLINICA MEDICA DE IMAGEM CLIMEDIMAGEM LTDAGuapimirim (RJ)
- MARICA DIAGNOSTICOS POR IMAGEM LTDAMaricá (RJ)
- COT RESSONANCIA LTDATeresópolis (RJ)
- UNIAO SAUDE FIDELENSE LTDASão Fidélis (RJ)
- LEO-RADIOLOGIA LTDARio de Janeiro (RJ)
- GUENKA HEALTHCARE SERVICOS MEDICOS LTDARio de Janeiro (RJ)
- RADIOLOGIA EM FOCO LTDAMesquita (RJ)
- EXCELENCIA DIAGNOSTICO POR IMAGEM LTDACampos dos Goytacazes (RJ)
- ARTVIDA DIAGNOSTICOS E EVENTOS LTDACampos dos Goytacazes (RJ)
- RODRIGUES SOUZA CLINICA DE IMAGEM LTDARio de Janeiro (RJ)
- ATLAS MED ALPHACOM MULTIPLAN LTDAResende (RJ)
- RAD VALE DIAGNOSTICO POR IMAGEM LTDAVolta Redonda (RJ)
- RESSONANCIA DA SERRA LTDAPetrópolis (RJ)
- RODRIGUES IMAGENS LTDASão Gonçalo (RJ)
- F. BOECHAT SERVICOS MEDICOS LTDAItaperuna (RJ)
- ESPOSTI TECH SERVICOS LTDAItaperuna (RJ)
- ANTONIO FRANCISCO E FILHOS CLINICA MEDICA LTDABarra do Piraí (RJ)
- RESSONANCIA MEDICAL CENTER LTDARio de Janeiro (RJ)
- SILCLATEC SERVICOS TECNICOS DE IMAGENS LTDADuque de Caxias (RJ)
- F V NUTRIMAGEM LTDAItaperuna (RJ)
List limited to 56 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 less than 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 33.9% 19
- 2 Itaperuna 10.7% 6
- 3 Niterói 8.9% 5
- 4 Resende 7.1% 4
- 5 Campos dos Goytacazes 5.4% 3
- 6 Petrópolis 5.4% 3
- 7 Angra dos Reis 3.6% 2
- 8 Duque de Caxias 3.6% 2
- 9 Mesquita 1.8% 1
- 10 Guapimirim 1.8% 1
10 more cities
- 11 Barra do Piraí 1
- 12 Cabo Frio 1
- 13 Macaé 1
- 14 Magé 1
- 15 Maricá 1
- 16 Nova Iguaçu 1
- 17 São Fidélis 1
- 18 São Gonçalo 1
- 19 Teresópolis 1
- 20 Volta Redonda 1
Class 8640-2 in Rio de Janeiro
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica | 129 |
| 8640-2/02 Laboratórios clínicos | 1,189 |
| 8640-2/03 Serviços de diálise e nefrologia | 104 |
| 8640-2/04 Serviços de tomografia | 591 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 1,023 |
| 8640-2/06 Serviços de ressonância magnética · this one | 56 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 447 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 132 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 97 |
| 8640-2/10 Serviços de quimioterapia | 32 |
| 8640-2/11 Serviços de radioterapia | 40 |
| 8640-2/12 Serviços de hemoterapia | 22 |
| 8640-2/13 Serviços de litotripcia | 0 |
| 8640-2/14 Serviços de bancos de células e tecidos humanos | 2 |
| 8640-2/99 Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente | 394 |
Close to this: 8640-2/07 · Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética, 447 companies in Rio de Janeiro.
What activity 8640-2/06 is
- Os serviços que realizam exames de ressonância magnética
Frequently asked questions
How many companies have main CNAE 8640-2/06 in Rio de Janeiro?
56 active companies have CNAE 8640-2/06 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 19, 33.9% 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.