CNAE 8640-2/03 · Rio de Janeiro
Dialysis and nephrology services in Rio de Janeiro
104 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 9.6% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 1,086
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
- 104
- 9.6% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- 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 4- CASTRO SERVICOS DE MEDICINA LTDACampos dos Goytacazes (RJ)
- CLINICA DE DIALISE SAO BENEDITO LTDARio de Janeiro (RJ)
- GAMEN GRUPO DE ASSISTENCIA MEDICA NEFROLOGICA LTDARio de Janeiro (RJ)
- CENEFRO-CENTRO DE NEFROLOGIA MAGEENSE LTDAMagé (RJ)
- CLINEFRON TRATAMENTO DIALITICO E SERVICOS MEDICOS LTDASanto Antônio de Pádua (RJ)
- ANGRA-RIM SERVICOS MEDICOS LTDA.Angra dos Reis (RJ)
- PRO NEFRO ASSISTENCIA NEFROLOGICA E UROLOGICA LTDAPetrópolis (RJ)
- CLINICA NEFROLOGICA DE RESENDE LTDAResende (RJ)
- HEMO MEDIC NEFROLOGIA LTDANova Iguaçu (RJ)
- DIALIFE SERVICOS MEDICOS S.A.Cabo Frio (RJ)
- RENAL LIFE S.ACabo Frio (RJ)
- RENALDUC - INSTITUTO DE TERAPIA RENAL LTDADuque de Caxias (RJ)
- RENAL CARE DIALISE E NEFROLOGIA LTDAMaricá (RJ)
- INQUE - INSTITUTO NEFROLOGICO DE QUEIMADOS LTDA.Queimados (RJ)
- NEFROCLIN CLINICA NEFROLOGICA LTDARio de Janeiro (RJ)
- UTR - UNIDADE DE TERAPIA RENAL LTDA - EM RECUPERACAO JUDICIALSão Gonçalo (RJ)
- INBEL INSTITUTO NEFROLOGICO BELFORD ROXO LTDABelford Roxo (RJ)
- DIALISA SERVICOS NEFROLOGICOS LTDARio de Janeiro (RJ)
- RENALFORD CLINICA MEDICA E NEFROLOGIA LTDABelford Roxo (RJ)
- NEFRO QUEIMADOS - CENTRO NEFROLOGICO DE QUEIMADOS LTDAQueimados (RJ)
- CLINICA DE DIALISE RIO BONITO LTDARio Bonito (RJ)
- CLINICA DE DIALISE TRES RIOS LTDATrês Rios (RJ)
- L.O.M. ENES BARRETO SERVICOS MEDICOS LTDACampos dos Goytacazes (RJ)
- NOVO TEMPO CARE SERVICOS DE NEFROLOGIA LTDAArmação dos Búzios (RJ)
- PRO DOCTORES GESTAO E TREINAMENTO LTDARio de Janeiro (RJ)
- PDCARE PRESTACAO DE SERVICOS NEFROLOGICOS LTDARio de Janeiro (RJ)
- CENTRO DE HEMODIALISE E IMAGEM DE CASIMIRO DE ABREU LTDACasimiro de Abreu (RJ)
- CENTRO DE HEMODIALISE E IMAGEM DE ARMACAO DOS BUZIOS LTDAArmação dos Búzios (RJ)
- NOVA IMAGEM E DIAGNOSTICOS LTDACantagalo (RJ)
- NEFROLUTZ CONSULTORIO DE SERVICOS MEDICOS LTDARio de Janeiro (RJ)
List limited to 104 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 1.2 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 39.4% 41
- 2 Duque de Caxias 6.7% 7
- 3 Campos dos Goytacazes 5.8% 6
- 4 Niterói 4.8% 5
- 5 Cabo Frio 2.9% 3
- 6 Nova Iguaçu 2.9% 3
- 7 Rio Bonito 2.9% 3
- 8 Volta Redonda 2.9% 3
- 9 Armação dos Búzios 1.9% 2
- 10 Belford Roxo 1.9% 2
19 more cities
- 11 Queimados 2
- 12 Angra dos Reis 2
- 13 Barra Mansa 2
- 14 Magé 2
- 15 Nilópolis 2
- 16 Nova Friburgo 2
- 17 São Gonçalo 2
- 18 São João de Meriti 2
- 19 Três Rios 2
- 20 Valença 2
- 21 Araruama 1
- 22 Cantagalo 1
- 23 Casimiro de Abreu 1
- 24 Itaboraí 1
- 25 Macaé 1
- 26 Maricá 1
- 27 Petrópolis 1
- 28 Resende 1
- 29 Santo Antônio de Pádua 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 · this one | 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: 8610-1/02 · Emergency room and hospital urgent care activities, 8,340 companies in Rio de Janeiro.
What activity 8640-2/03 is
- Os serviços destinados ao tratamento de pacientes com insuficiência renal crônica nas modalidades de hemodiálise e diálise peritoneal
Frequently asked questions
How many companies have main CNAE 8640-2/03 in Rio de Janeiro?
104 active companies have CNAE 8640-2/03 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 41, 39.4% 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.