CNAE 8640-2/03 · Rio de Janeiro
Serviços de diálise e nefrologia 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 1 of 4- DAVITA SERVICOS DE NEFROLOGIA E CUIDADOS RENAIS LTDARio de Janeiro (RJ)
- INSTITUTO SEGUMEDDuque de Caxias (RJ)
- NEFROCLINICAS IPANEMA - SERVICO DE NEFROLOGIA E DIALISE S/ARio de Janeiro (RJ)
- DAVITA RIEN SERVICOS DE NEFROLOGIA LTDA.Rio de Janeiro (RJ)
- CLINICA DE NEFROLOGIA E DIALISE DE BRAGANCA PAULISTADuque de Caxias (RJ)
- DAVITA SERVICOS DE NEFROLOGIA CAMPO GRANDE RJ LTDARio de Janeiro (RJ)
- CLINICA NEFROLOGICA LTDANiterói (RJ)
- RENALTH PRODUTOS E SERVICOS MEDICOS LTDABarra Mansa (RJ)
- DAVITA SERVICOS DE NEFROLOGIA CONDE DE BONFIM LTDA.Rio de Janeiro (RJ)
- COMED SAUDE LTDADuque de Caxias (RJ)
- CENTRO CUIDAR NEFROLOGIA VOLTA REDONDA E NEFROCLINICAS LTDAVolta Redonda (RJ)
- DAVITA SERVICOS DE NEFROLOGIA CAMPOS LTDACampos dos Goytacazes (RJ)
- E-NEFRO SERVICOS DE DIALISE E NEFROLOGIA LTDARio de Janeiro (RJ)
- CENTRO DE NEFROLOGIA DE NOVA FRIBURGO LTDANova Friburgo (RJ)
- ATENDIMENTO MEDICO E ASSISTENCIAL INTEGRADO LTDASão Gonçalo (RJ)
- RENALCOR SERVICOS MEDICOS LTDARio de Janeiro (RJ)
- HEMO MED - LTDADuque de Caxias (RJ)
- DAVITA SERVICOS DE NEFROLOGIA VOLTA REDONDA LTDAVolta Redonda (RJ)
- UTN UNIDADE DE TRATAMENTO NEFROLOGICO E SERVICOS LTDARio de Janeiro (RJ)
- DAVITA SERVICOS DE NEFROLOGIA BARRA DA TIJUCA LTDA.Rio de Janeiro (RJ)
- CLINICA RENAL SERVICOS MEDICOS LTDAAngra dos Reis (RJ)
- CLINICA MEDICA DE NEFROLOGIA PREMIUM RIO S.A.Rio de Janeiro (RJ)
- CDR - CLINICA DE DOENCAS RENAIS NITEROI LTDA.Niterói (RJ)
- DAVITA SERVICOS DE NEFROLOGIA NOVA IGUACU LTDA.Nova Iguaçu (RJ)
- DAVITA SERVICOS DE NEFROLOGIA CABO FRIO LTDA.Cabo Frio (RJ)
- DAVITA SERVICOS DE NEFROLOGIA GAVEA LTDA.Rio de Janeiro (RJ)
- CDR - CLINICA DE DOENCAS RENAIS VILA DA PENHA LTDARio de Janeiro (RJ)
- DAVITA SERVICOS DE NEFROLOGIA ITABORAI LTDA.Itaboraí (RJ)
- DAVITA SERVICOS DE NEFROLOGIA ARARUAMA LTDA.Araruama (RJ)
- HEMODINIL CENTRO DE HEMODIALISE E DIAGNOSTICO LTDANilópolis (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 Laboratórios de anatomia patológica e citológica | 129 |
| 8640-2/02 Laboratórios clínicos | 1,189 |
| 8640-2/03 Serviços de diálise e nefrologia · this one | 104 |
| 8640-2/04 Serviços de tomografia | 591 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 1,023 |
| 8640-2/06 Serviços de ressonância magnética | 56 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 447 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 132 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 97 |
| 8640-2/10 Serviços de quimioterapia | 32 |
| 8640-2/11 Serviços de radioterapia | 40 |
| 8640-2/12 Serviços de hemoterapia | 22 |
| 8640-2/13 Serviços de litotripcia | 0 |
| 8640-2/14 Serviços de bancos de células e tecidos humanos | 2 |
| 8640-2/99 Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente | 394 |
Close to this: 8610-1/02 · Atividades de atendimento em pronto socorro e unidades hospitalares para atendimento a urgências, 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.