CNAE 8640-2/07 · Niterói (RJ)
Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética in Niterói (RJ)
31 active companies are headquartered in Niterói (RJ) with this CNAE as their main activity. They represent 0.6% 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 · Rio de Janeiro 447
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 Niterói (RJ)
- 31
- 0.6% of Brazil's
- Of every 100 companies in Niterói (RJ)
- 0.0
- do this activity
- Among Rio de Janeiro's cities
- 2nd
- by companies in this activity
Active companies in Niterói (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 2- IRAD DIAGNOSTICO POR IMAGEM LTDANiterói (RJ)
- DOPPLER SERVICOS MEDICOS LTDANiterói (RJ)
- CENTERMED CENTRO CLINICO SAIA CHIJNER LTDANiterói (RJ)
- SUPRA MEDICINA DIAGNOSTICA LTDANiterói (RJ)
- MEDSON SERVICOS DE ULTRASSONOGRAFIA LTDANiterói (RJ)
- MILLENIUM DIAGNOSTICO POR IMAGEM LTDANiterói (RJ)
- C D N CLINICA DE DENSITOMETRIA OSSEA DE NITEROI LTDANiterói (RJ)
- SANDRA VICENTE DIAGNOSTICO POR IMAGEM LTDANiterói (RJ)
- FONSECA DIAGNOSTICO HEPATOMETABOLICO LTDANiterói (RJ)
- PRO MULHER SAUDE LTDANiterói (RJ)
- R M DIAGNOSTICO POR IMAGEM LTDA.Niterói (RJ)
- ULTRANIT ULTRASSONOGRAFIA LTDANiterói (RJ)
- INTRA DIAGNOSTICO POR IMAGEM LTDA.Niterói (RJ)
- CENTRUS FETAL SERVICOS DE ULTRASSONOGRAFIA EM MEDICINA FETAL LTDANiterói (RJ)
- PROALIIS SERVICOS MEDICOS LTDANiterói (RJ)
- IMAGENS SOARES DE SOUSA SERVICOS MEDICOS LTDANiterói (RJ)
- VET EXAMES LTDANiterói (RJ)
- TEMPERANCA SERVICOS MEDICOS LTDANiterói (RJ)
- RADIOFOCUS SERVICOS MEDICOS S/S LTDANiterói (RJ)
- CORREA E CAMACHO RADIOLOGISTAS ASSOCIADOS S/S LTDA.Niterói (RJ)
- JOAQUIM JOSE DE OLIVEIRA GOUVEA LTDANiterói (RJ)
- NOEMIA MALHEIROS DIAGNOSTICO MEDICO POR IMAGEM LTDANiterói (RJ)
- REDITUM SAUDE E IMAGEM LTDANiterói (RJ)
- NC RAD SERVICOS MEDICOSNiterói (RJ)
- RADIMAGEM - MEDICINA DIAGNOSTICANiterói (RJ)
- LGUSMAO RADIOLOGIA LTDANiterói (RJ)
- BNFS DIAGNOSTICO POR IMAGEM LTDANiterói (RJ)
- HASFONTES SERVICOS MEDICOS LTDANiterói (RJ)
- E.A. ANDREOLLI DIAGNOSTICO POR IMAGEMNiterói (RJ)
- GLEI PAIMNiterói (RJ)
List limited to 31 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
- Niterói (RJ)0.0
- Rio de Janeiro0.0
- Brazil0.0
In Niterói (RJ), the activity weighs 1.8 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 Niterói (RJ)
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica | 7 |
| 8640-2/02 Laboratórios clínicos | 30 |
| 8640-2/03 Serviços de diálise e nefrologia | 5 |
| 8640-2/04 Serviços de tomografia | 14 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 91 |
| 8640-2/06 Serviços de ressonância magnética | 5 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética · this one | 31 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 7 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 9 |
| 8640-2/10 Serviços de quimioterapia | 5 |
| 8640-2/11 Serviços de radioterapia | 2 |
| 8640-2/12 Serviços de hemoterapia | 2 |
| 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 | 35 |
Close to this: 8640-2/04 · Serviços de tomografia, 14 companies in Niterói (RJ).
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 Niterói (RJ)?
31 active companies have CNAE 8640-2/07 as their main activity in Niterói (RJ), 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 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 Niterói (RJ).