CNAE 8640-2/07 · Rio de Janeiro
Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética in Rio de Janeiro
447 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 9.3% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 4,832
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
- 447
- 9.3% 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 3 of 10- ECHOENDO GASTROENTEROLOGIA E ENDOSCOPIA DIGESTIVA LTDARio de Janeiro (RJ)
- BARRA IMAGEM MEDICINA DE DIAGNOSTICOS LTDABarra do Piraí (RJ)
- CLINICA ESPACO SAUDE NOVA FRIBURGO LTDANova Friburgo (RJ)
- WL SERVICOS MEDICOS LTDARio de Janeiro (RJ)
- RESONARE SERVICOS DE DIAGNOSTICO POR IMAGEM LTDARio de Janeiro (RJ)
- ULTRADIAGNOSIS CAMPOS LTDACampos dos Goytacazes (RJ)
- NR IMAGENS SERVICOS MEDICOS LTDARio de Janeiro (RJ)
- A. CAIADO BALASSIANO SERVICOS DE MEDICINA LTDARio de Janeiro (RJ)
- ULTRAMED DE ITABAPOANA ULTRA SONOGRAFIA LTDABom Jesus do Itabapoana (RJ)
- NUCLEUS CLINICA DE ULTRASSONOGRAFIA E IMAGENS LTDABarra Mansa (RJ)
- SUPRA MEDICINA DIAGNOSTICA LTDANiterói (RJ)
- CLINICA DE IMAGEM DR. MARCIA SCHIFFLER LTDAMagé (RJ)
- RADIO IMAGEM DIAGNOSTICA LTDAMacaé (RJ)
- L C AGUIAR DIAGNOSTICOS LTDARio das Ostras (RJ)
- ENDOPELVIS DE ITAPERUNA LTDAItaperuna (RJ)
- SONOIMAGEM MEDICINA DIAGNOSTICA LTDARio das Ostras (RJ)
- CAPRI DIAGNOSTICOS LTDANova Iguaçu (RJ)
- LUIS FELIPE LISBOA MEDICINA E DIAGNOSTICO LTDADuque de Caxias (RJ)
- ATOMO DIAGNOSTICO POR IMAGEM E SERVICOS MEDICOS LTDARio de Janeiro (RJ)
- DTMORAND SERVICOS MEDICOS LTDARio de Janeiro (RJ)
- SM - MARINHO MEDICINA TOTAL LTDARio de Janeiro (RJ)
- NUCLEO DE SAUDE, BEM ESTAR E CLINICA MEDICA LTDARio de Janeiro (RJ)
- VMV ULTRASSONOGRAFIA E CLINICA MEDICA LTDARio de Janeiro (RJ)
- CT DIAGNOSTICO LTDARio de Janeiro (RJ)
- MED IMAGEM SERVICOS MEDICOS LTDARio de Janeiro (RJ)
- SERVICOS DE ULTRA-SONOGRAFIA MAGALHAES JUNIOR LTDAMacaé (RJ)
- SIMPLIMAGEM DIAGNOSTICOS LTDARio de Janeiro (RJ)
- MEDSON SERVICOS DE ULTRASSONOGRAFIA LTDANiterói (RJ)
- MILLENIUM DIAGNOSTICO POR IMAGEM LTDANiterói (RJ)
- G.A.M.I.R. GRP ASSISTENCIA MEDICA INTEGRADA E RADIOLOGICA 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 1.1 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 49.7% 222
- 2 Niterói 6.9% 31
- 3 Campos dos Goytacazes 4.3% 19
- 4 Nova Friburgo 3.1% 14
- 5 Nova Iguaçu 3.1% 14
- 6 Petrópolis 2.9% 13
- 7 Macaé 2.7% 12
- 8 São Gonçalo 2.7% 12
- 9 Cabo Frio 2.5% 11
- 10 Volta Redonda 2.5% 11
20 more cities
- 11 Rio das Ostras 7
- 12 Teresópolis 6
- 13 Barra Mansa 5
- 14 Itaperuna 5
- 15 Santo Antônio de Pádua 5
- 16 Duque de Caxias 4
- 17 Rio Bonito 4
- 18 Três Rios 4
- 19 Mesquita 3
- 20 Araruama 3
- 21 Bom Jesus do Itabapoana 3
- 22 São Pedro da Aldeia 3
- 23 Valença 3
- 24 Armação dos Búzios 2
- 25 Belford Roxo 2
- 26 Angra dos Reis 2
- 27 Barra do Piraí 2
- 28 Cordeiro 2
- 29 Itaboraí 2
- 30 Itaocara 2
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 | 56 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética · this one | 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: 8640-2/04 · Serviços de tomografia, 591 companies in Rio de Janeiro.
What activity 8640-2/07 is
- Os serviços que realizam exames de ultrassonografia
Frequently asked questions
How many companies have main CNAE 8640-2/07 in Rio de Janeiro?
447 active companies have CNAE 8640-2/07 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 222, 49.7% 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.