CNAE 8640-2/99 · Rio de Janeiro
Diagnostic and therapeutic support services not elsewhere classified in Rio de Janeiro
394 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 11.8% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 3,328
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
- 394
- 11.8% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 2nd
- 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 4 of 10- OTOLAGOS CENTRO DE OTORRINOLARINGOLOGIA DE CABO FRIO LTDACabo Frio (RJ)
- QUERO IMAGEM & DIAGNOSTICOS LTDARio das Ostras (RJ)
- RESENDE CENTRO MEDICO LTDAResende (RJ)
- CMNI - CENTRO MEDICO NOVA IGUACU LTDANova Iguaçu (RJ)
- CARDIOEXAME TRES RIOS LTDATrês Rios (RJ)
- ERGOLAB CONSULTORIA E SERVICOS EM SAUDE LTDAItaperuna (RJ)
- CARDIO DE IMAGEM DIAGNOSTICO CARDIOLOGICO LTDANova Iguaçu (RJ)
- MIROW & CRESPO CONSUMOS MEDICOS LTDARio de Janeiro (RJ)
- CENTRO AVANCADO DE ENDOSCOPIA DIAGNOSTICA E TERAPEUTICA DO NORTE FLUMINENSE LTDACampos dos Goytacazes (RJ)
- ARAUJO & SCHIAVINI CLINICA MEDICA LTDABarra do Piraí (RJ)
- PROGRAF METODOS GRAFICOS EXAMES CARDIOLOGICOS E REABILITACAO LTDARio de Janeiro (RJ)
- CENTRO DE MEDICINA HIPERBARICA GUILHERME LIMA BEDIM LTDARio das Ostras (RJ)
- CARDIOLOGIA INTEGRADA LTDACabo Frio (RJ)
- UDENF UNIDADE DE DENSITOMETRIA OSSEA NORTE FLU LTDA SCCampos dos Goytacazes (RJ)
- CURARE CONSULTORIO DE ENFERMAGEM LTDA.Itaperuna (RJ)
- CENTRO MEDICO MATERNO FETAL S/CTeresópolis (RJ)
- ECO CLINICAS S/CTeresópolis (RJ)
- CAMP CENTRO DE AVALIACAO DA MARCHA E DA POSTURA LTDACabo Frio (RJ)
- PRO IMAGEM SERVICOS DE ULTRASSONOGRAFIA LTDANilópolis (RJ)
- SEDI - SERVICO ESPECIALIZADOS EM DIAGNOSTICOS POR IMAGEM LTDARio de Janeiro (RJ)
- INSTITUTO DE UROLOGIA E NEFROLOGIA DE VOLTA REDONDA LTDAVolta Redonda (RJ)
- ECOMED DIAGNOSTICOS POR IMAGEM LTDASão Gonçalo (RJ)
- CNT - CENTRO NEUROLOGICO DE TERESOPOLIS LTDATeresópolis (RJ)
- CENTRO CARDIOLOGICO DE PETROPOLIS LTDAPetrópolis (RJ)
- LEGUAS CLINICA MEDICA LTDA S/CDuque de Caxias (RJ)
- DIAGMED DIAGNOSTICOS MEDICOS S/CPetrópolis (RJ)
- INTEGRARE SERVICOS , ASSESSORIA E CONSULTORIA MEDICA LTDARio de Janeiro (RJ)
- UROMEDIC SERVICO MEDICO LTDAPetrópolis (RJ)
- OTORRINOS.COM LTDARio de Janeiro (RJ)
- LBG - CELULAR DIAGNOSTICOSRio 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 1.4 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 50.0% 197
- 2 Niterói 8.9% 35
- 3 Petrópolis 4.3% 17
- 4 Volta Redonda 4.3% 17
- 5 Campos dos Goytacazes 3.6% 14
- 6 Duque de Caxias 3.0% 12
- 7 Macaé 2.3% 9
- 8 São Gonçalo 2.3% 9
- 9 Teresópolis 2.3% 9
- 10 Barra do Piraí 2.0% 8
20 more cities
- 11 Nova Friburgo 8
- 12 Nova Iguaçu 8
- 13 Itaperuna 6
- 14 Barra Mansa 5
- 15 Cabo Frio 5
- 16 São João de Meriti 5
- 17 Três Rios 5
- 18 Miguel Pereira 3
- 19 Rio das Ostras 2
- 20 Nilópolis 2
- 21 Armação dos Búzios 1
- 22 Pinheiral 1
- 23 Porto Real 1
- 24 Mesquita 1
- 25 Japeri 1
- 26 Angra dos Reis 1
- 27 Araruama 1
- 28 Cachoeiras de Macacu 1
- 29 Cambuci 1
- 30 Cordeiro 1
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 | 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 · this one | 394 |
Close to this: 8630-5/02 · Outpatient medical care with facilities for diagnostic tests, 7,460 companies in Rio de Janeiro.
What activity 8640-2/99 is
- Os exames de função pulmonar, tais como: #- espirometria #- oxigenoterapia
- Os outros serviços de complementação diagnóstica e terapêutica não especificados anteriormente
Frequently asked questions
How many companies have main CNAE 8640-2/99 in Rio de Janeiro?
394 active companies have CNAE 8640-2/99 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 197, 50.0% 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.