CNAE 8640-2/05 · Rio Grande do Norte
Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia in Rio Grande do Norte
118 active companies are headquartered in Rio Grande do Norte with this CNAE as their main activity. They represent 1.2% 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
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 Grande do Norte
- 118
- 1.2% of Brazil's
- Of every 100 companies in Rio Grande do Norte
- 0.0
- do this activity
- Among Brazil's federative units
- 18th
- by companies in this activity
Active companies in Rio Grande do Norte
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 4- CRER IMAGEM LTDASão Miguel (RN)
- ROC IMAGENS LTDANatal (RN)
- INSTITUTO NORTE RIOGRANDENSE DE MEDICINA DIAGNOSTICA E SAUDE LTDASão Gonçalo do Amarante (RN)
- IRVING MACEDO LOPES CARDOSO LTDACurrais Novos (RN)
- RODRIGUES & CORTES SOCIEDADE SIMPLES LTDACaicó (RN)
- NUCLEO X LTDANatal (RN)
- CLINICA DE RADIOLOGIA E ULTRASSONOGRAFIA LTDANatal (RN)
- INSTITUTO POTIGUAR DE MEDICINA DIAGNOSTICA LTDANatal (RN)
- NOVA EXAME LABORATORIO E DIAGNOSTICO POR IMAGEM LTDANatal (RN)
- CLIN - CLINICA DE DIAGNOSTICO POR IMAGEM DE NATAL LTDANatal (RN)
- ACR TELEDIAGNOSTICOS LTDANatal (RN)
- CLINICA DE MEDICINA NUCLEAR DE MOSSORO LTDAMossoró (RN)
- CLINICA NUCLEAR DE NATAL LTDANatal (RN)
- A. B. O. CLINICA MEDICA LTDA.São Gonçalo do Amarante (RN)
- HEMOCARDIO S/S LTDANatal (RN)
- L H SERVICOS DE IMAGINOLOGIA E RADIOLOGIA ODONTOLOGICA LTDAParnamirim (RN)
- IORN SERVICOS DE DIAGNOSTICO POR IMAGEM LTDAParnamirim (RN)
- CENTRO DE IMAGEM DE MOSSORO LTDAMossoró (RN)
- INSTITUTO PENEDO RADIOLOGIA LTDACaicó (RN)
- MULTIMAGEM - RN - IMAGENS MEDICAS LTDANatal (RN)
- CLINICA RADIOLOGICA DE MOSSORO LTDAMossoró (RN)
- DL RADIOLOGIA LTDAAlto do Rodrigues (RN)
- VOXEL DIAGNOSTICO POR IMAGEM LTDANatal (RN)
- TR SERVICE RADIOLOGIA LTDAGoianinha (RN)
- MARCELO TAVARES FILHO LTDANova Cruz (RN)
- HR SAUDE DIAGNOSTICA LTDASão Paulo do Potengi (RN)
- MEDEIROS E MEDEIROS SERVICOS ODONTOLOGICOS LTDAAssú (RN)
- EDS RADIOLOGIA E COMERCIO LTDANatal (RN)
- ROP RADIOLOGIA ODONTOLOGICA DE PARNAMIRIM LTDAParnamirim (RN)
- TOMOCENTRO SAO LUCAS LTDANatal (RN)
List limited to 118 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 Grande do Norte0.0
- Brazil0.0
In Rio Grande do Norte, the activity weighs 1.1 times what it does in Brazil.
Rio Grande do Norte's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Natal 56.8% 67
- 2 Mossoró 14.4% 17
- 3 Caicó 3.4% 4
- 4 Parnamirim 3.4% 4
- 5 São Gonçalo do Amarante 3.4% 4
- 6 Currais Novos 2.5% 3
- 7 Santa Cruz 2.5% 3
- 8 Goianinha 1.7% 2
- 9 Monte Alegre 1.7% 2
- 10 Assú 0.8% 1
11 more cities
- 11 Alto do Rodrigues 1
- 12 Antônio Martins 1
- 13 Caraúbas 1
- 14 Ceará-Mirim 1
- 15 Guamaré 1
- 16 Macaíba 1
- 17 Nova Cruz 1
- 18 São José de Mipibu 1
- 19 São Miguel 1
- 20 São Paulo do Potengi 1
- 21 Touros 1
Class 8640-2 in Rio Grande do Norte
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica | 32 |
| 8640-2/02 Laboratórios clínicos | 276 |
| 8640-2/03 Serviços de diálise e nefrologia | 19 |
| 8640-2/04 Serviços de tomografia | 19 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia · this one | 118 |
| 8640-2/06 Serviços de ressonância magnética | 8 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 90 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 4 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 18 |
| 8640-2/10 Serviços de quimioterapia | 5 |
| 8640-2/11 Serviços de radioterapia | 12 |
| 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 | 27 |
Close to this: 8640-2/04 · Serviços de tomografia, 19 companies in Rio Grande do Norte.
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 Grande do Norte?
118 active companies have CNAE 8640-2/05 as their main activity in Rio Grande do Norte, 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 Grande do Norte's cities has the most companies in this activity?
Natal, with 67, 56.8% 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 Grande do Norte.