CNAE 8640-2/02 · Rio de Janeiro
Clinical laboratories in Rio de Janeiro
1,189 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 8.5% 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 de Janeiro
- 1,189
- 8.5% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.1
- 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 2 of 10- HEMOCLIN CLINICA HEMATOLOGICA LTDACampos dos Goytacazes (RJ)
- LABORATORIO DE PATOLOGIA CLINICA DR TUFIC GANEM LTDABarra do Piraí (RJ)
- LABORATORIO O. S. REZENDE LTDACabo Frio (RJ)
- LABOR-CLASS SERVICOS LTDASaquarema (RJ)
- LABORATORIOS BAFFI E BRETZ LTDAPetrópolis (RJ)
- LACLIN LABORATORIO ANALISES CLINICAS DE BARRA MANSA LTDBarra Mansa (RJ)
- LABORATORIO DE ANALISE CLINICAS DR HERCULANO GOMES LTDRio de Janeiro (RJ)
- D.M.L.DIAGNOSTICA LTDARio de Janeiro (RJ)
- DIAGNOSE LABORATORIO RJ LTDAResende (RJ)
- LABORATORIO DE ANALISES CLINICAS BARONESA LTDARio de Janeiro (RJ)
- LABORATORIO VYP LTDANiterói (RJ)
- LABORATORIO DE PESQUISAS CLINICAS PLINIO BACELAR LTDA.Campos dos Goytacazes (RJ)
- LABORATORIO ANO BOM LTDAAngra dos Reis (RJ)
- LABORATORIO RODOLPHO ALBINO DE ANAL E PESQ CLIN LTDACantagalo (RJ)
- LAPEC LABORATORIO DE ANALISES E PESQUISAS CLINICAS LTDAAraruama (RJ)
- CENTRO DE DIAGNOSTICO CITOLOGICO LTDACabo Frio (RJ)
- LABORATORIO DE ,ANALISES CLINICAS PASCOTO LTDASão Gonçalo (RJ)
- NOVO TEMPO LABORATORIO LTDAArmação dos Búzios (RJ)
- LABORATORIO MONTESE LTDAResende (RJ)
- INSTITUTO DE MEDICINA NUCLEAR LTDAMacaé (RJ)
- LABORATORIO DE ANALISES CLINICAS DR.JOSE LUIZ RIBEIRO LTDANova Iguaçu (RJ)
- DIAGNOSTICO LABORATORIO DE ANALISES CLINICAS DE RIO DAS OSTRAS LTDAMacaé (RJ)
- LABORATORIO B G M ANALISES CLINICAS LIMITADANova Iguaçu (RJ)
- LABORATORIO MEDICO DIAGNOLAB LTDABarra Mansa (RJ)
- R G DIAGNOSTICOS LABORATORIO DE ANALISES CLINICAS LTDAItaocara (RJ)
- GELSON WELLINGTON PEIXOTO LABORATORIO DE ANALISES MEDICAS LTDAMendes (RJ)
- LABORATORIO MEDICO ALARCON LTDAPinheiral (RJ)
- LABORATORIO DE PATOLOGIA CLINICA GOLONI S/S LTDASão Gonçalo (RJ)
- CEPEM - CENTRO DE PESQUISA DA MULHER LTDARio de Janeiro (RJ)
- ANTARES GESTAO DE SERVICOS E COMERCIO LTDADuque de Caxias (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 Janeiro0.1
- Brazil0.1
In Rio de Janeiro, the activity weighs 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 32.5% 387
- 2 Nilópolis 22.6% 269
- 3 Duque de Caxias 3.3% 39
- 4 Nova Iguaçu 2.9% 34
- 5 Niterói 2.5% 30
- 6 São Gonçalo 2.3% 27
- 7 Cabo Frio 1.8% 21
- 8 Petrópolis 1.8% 21
- 9 Campos dos Goytacazes 1.6% 19
- 10 São João de Meriti 1.6% 19
20 more cities
- 11 Volta Redonda 19
- 12 Magé 17
- 13 Belford Roxo 15
- 14 Teresópolis 14
- 15 Macaé 13
- 16 Barra Mansa 12
- 17 Itaboraí 11
- 18 Itaperuna 11
- 19 Saquarema 10
- 20 Araruama 9
- 21 Nova Friburgo 9
- 22 Mesquita 8
- 23 Rio das Ostras 8
- 24 Barra do Piraí 8
- 25 São Pedro da Aldeia 8
- 26 Resende 7
- 27 Rio Bonito 7
- 28 Angra dos Reis 6
- 29 Itaocara 6
- 30 Cachoeiras de Macacu 5
Class 8640-2 in Rio de Janeiro
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Pathological anatomy and cytology laboratories | 129 |
| 8640-2/02 Clinical laboratories · this one | 1,189 |
| 8640-2/03 Dialysis and nephrology services | 104 |
| 8640-2/04 Computed tomography services | 591 |
| 8640-2/05 Diagnostic imaging with ionizing radiation, except tomography | 1,023 |
| 8640-2/06 Magnetic resonance imaging services | 56 |
| 8640-2/07 Diagnostic imaging without ionizing radiation, except MRI | 447 |
| 8640-2/08 Diagnostic services by graphic recording - ECG, EEG and similar tests | 132 |
| 8640-2/09 Diagnostic services by optical methods - endoscopy and similar tests | 97 |
| 8640-2/10 Chemotherapy services | 32 |
| 8640-2/11 Radiotherapy services | 40 |
| 8640-2/12 Hemotherapy services | 22 |
| 8640-2/13 Lithotripsy services | 0 |
| 8640-2/14 Human cell and tissue bank services | 2 |
| 8640-2/99 Diagnostic and therapeutic support services not elsewhere classified | 394 |
Close to this: 8640-2/01 · Pathological anatomy and cytology laboratories, 129 companies in Rio de Janeiro.
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 de Janeiro?
1,189 active companies have CNAE 8640-2/02 as their main activity in Rio de Janeiro, 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 de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 387, 32.5% 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.