CNAE 8640-2/02 · Rio Grande do Norte
Clinical laboratories in Rio Grande do Norte
276 active companies are headquartered in Rio Grande do Norte with this CNAE as their main activity. They represent 2.0% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 13,924
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
- 276
- 2.0% of Brazil's
- Of every 100 companies in Rio Grande do Norte
- 0.1
- do this activity
- Among Brazil's federative units
- 17th
- 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 9 of 10- B A A V SALDANHAParnamirim (RN)
- J E C DANTAS LABORATORIOJardim de Piranhas (RN)
- D N DE MEDEIROSSão José do Seridó (RN)
- M A M QUEIROZEncanto (RN)
- S M PINHEIROS LABORATORIO DE ANALISENatal (RN)
- C F DA SILVA NASCIMENTOLagoa Nova (RN)
- JOSE IVANILSON DE LIMATouros (RN)
- ELIAS TEIXEIRA DA CUNHAMessias Targino (RN)
- BERNADETE GONCALVES DE GOUVEIAAssú (RN)
- V C DA COSTA SARMENTOTenente Ananias (RN)
- NATALIA KEILA SOUZA DA SILVANatal (RN)
- J C C DE OLIVEIRAPau dos Ferros (RN)
- CICERA ANDREZA LEALNatal (RN)
- FRANCISCA ANA DA CONCEICAOVera Cruz (RN)
- C K DE ASSISPau dos Ferros (RN)
- G I F DE MEDEIROSFlorânia (RN)
- G F PIMENTA DE FREITASFlorânia (RN)
- MANOEL BEZERRA NETOEspírito Santo (RN)
- GILDISMAR CAVALCANTELuís Gomes (RN)
- M A D DOS SANTOSSão Vicente (RN)
- JANIO DE CASTRO MELOAlexandria (RN)
- JOSE NUNES SEGUNDOLuís Gomes (RN)
- MARIA SOCORRO RICARDO ARAUJO DOS SANTOSNatal (RN)
- ANA LEONOR NASCIMENTO TAVARESNatal (RN)
- WILSON PEREIRA DE SOUZACerro Corá (RN)
- G N DA TRINDADESão Gonçalo do Amarante (RN)
- ALINE S S FREITASRodolfo Fernandes (RN)
- FRANCISCO D C BRASILRodolfo Fernandes (RN)
- G A A DE MELO VICENTENatal (RN)
- JOAO PAULO FIGUEIREDO DE ALMEIDALagoa Nova (RN)
List limited to 276 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 Norte0.1
- Brazil0.1
In Rio Grande do Norte, the activity weighs 1.8 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 25.7% 71
- 2 Mossoró 8.7% 24
- 3 Parnamirim 6.2% 17
- 4 Caicó 2.9% 8
- 5 Pau dos Ferros 2.9% 8
- 6 São Gonçalo do Amarante 2.9% 8
- 7 Apodi 2.2% 6
- 8 Goianinha 2.2% 6
- 9 Santa Cruz 2.2% 6
- 10 Assú 1.8% 5
20 more cities
- 11 Ceará-Mirim 5
- 12 Currais Novos 5
- 13 João Câmara 5
- 14 Parelhas 4
- 15 Touros 4
- 16 Jardim de Piranhas 3
- 17 Lagoa Nova 3
- 18 Macaíba 3
- 19 Macau 3
- 20 Nova Cruz 3
- 21 Vera Cruz 3
- 22 Alexandria 2
- 23 Angicos 2
- 24 Canguaretama 2
- 25 Encanto 2
- 26 Espírito Santo 2
- 27 Extremoz 2
- 28 Florânia 2
- 29 Luís Gomes 2
- 30 Frutuoso Gomes 2
Class 8640-2 in Rio Grande do Norte
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Pathological anatomy and cytology laboratories | 32 |
| 8640-2/02 Clinical laboratories · this one | 276 |
| 8640-2/03 Dialysis and nephrology services | 19 |
| 8640-2/04 Computed tomography services | 19 |
| 8640-2/05 Diagnostic imaging with ionizing radiation, except tomography | 118 |
| 8640-2/06 Magnetic resonance imaging services | 8 |
| 8640-2/07 Diagnostic imaging without ionizing radiation, except MRI | 90 |
| 8640-2/08 Diagnostic services by graphic recording - ECG, EEG and similar tests | 4 |
| 8640-2/09 Diagnostic services by optical methods - endoscopy and similar tests | 18 |
| 8640-2/10 Chemotherapy services | 5 |
| 8640-2/11 Radiotherapy services | 12 |
| 8640-2/12 Hemotherapy services | 2 |
| 8640-2/13 Lithotripsy services | 0 |
| 8640-2/14 Human cell and tissue bank services | 0 |
| 8640-2/99 Diagnostic and therapeutic support services not elsewhere classified | 27 |
Close to this: 8640-2/01 · Pathological anatomy and cytology laboratories, 32 companies in Rio Grande do Norte.
What activity 8640-2/02 is
- As atividades dos laboratórios de análises clínicas
- As atividades dos laboratórios de biologia molecular
- Os postos de coleta laboratorial
Frequently asked questions
How many companies have main CNAE 8640-2/02 in Rio Grande do Norte?
276 active companies have CNAE 8640-2/02 as their main activity in Rio Grande do Norte, according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.1 in Brazil.
Which of Rio Grande do Norte's cities has the most companies in this activity?
Natal, with 71, 25.7% 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 Grande do Norte.