CNAE 8640-2/03 · São Luís (MA)
Serviços de diálise e nefrologia in São Luís (MA)
20 active companies are headquartered in São Luís (MA) with this CNAE as their main activity. They represent 1.8% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
What this list shows
We count each active company once, by its head office in the city 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 São Luís (MA)
- 20
- 1.8% of Brazil's
- Of every 100 companies in São Luís (MA)
- 0.0
- do this activity
- Among Maranhão's cities
- 1st
- by companies in this activity
Active companies in São Luís (MA)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- NEFRO - CLINICA DE NEFROLOGIA LTDASão Luís (MA)
- DAVITA SERVICOS DE NEFROLOGIA SAO LUIS LTDA.São Luís (MA)
- CENTRO DE NEFROLOGIA DO MARANHAO LTDASão Luís (MA)
- CLINICA DE RIM E HIPERTENSAO ARTERIAL LTDASão Luís (MA)
- CLINICA NEFROLOGICA LTDASão Luís (MA)
- NEFROCLINICAS SAO LUIS - SERVICO DE NEFROLOGIA E DIALISE S/ASão Luís (MA)
- SC SERVICOS MEDICOS LTDASão Luís (MA)
- RENAL CLINICA LTDASão Luís (MA)
- CENTRO DE ASSISTENCIA EM NEFROLOGIA LTDASão Luís (MA)
- NEFROVIDAS DIAGNOSTICO E TRATAMENTO LTDASão Luís (MA)
- NEFRON SLZ LTDASão Luís (MA)
- M.P.R. MUNIZ E CIA LTDASão Luís (MA)
- C S SERVICOS MEDICOS LTDASão Luís (MA)
- CLIMEDIC SERVICOS DE SAUDE LTDASão Luís (MA)
- F S C CUNHA NEFRO LTDASão Luís (MA)
- NEFROS REUNIDOS SERVICOS MEDICOS LTDASão Luís (MA)
- O. A. S. ALVES SERVICOS MEDICOS LTDASão Luís (MA)
- MAGALHAES, LOBO & CIA LTDASão Luís (MA)
- MUNIZ SALEM SERVICOS MEDICOS LTDASão Luís (MA)
- L. S. PINHEIRO - NEFROLOGIASão Luís (MA)
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
- São Luís (MA)0.0
- Maranhão0.0
- Brazil0.0
In São Luís (MA), the activity weighs 4.5 times what it does in Brazil.
Maranhão's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Luís 44.4% 20
- 2 Imperatriz 33.3% 15
- 3 Santa Inês 4.4% 2
- 4 Bacabal 2.2% 1
- 5 Balsas 2.2% 1
- 6 Caxias 2.2% 1
- 7 Codó 2.2% 1
- 8 Presidente Dutra 2.2% 1
- 9 São Mateus do Maranhão 2.2% 1
- 10 Timon 2.2% 1
1 more cities
- 11 Açailândia 1
Class 8640-2 in São Luís (MA)
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica | 11 |
| 8640-2/02 Laboratórios clínicos | 51 |
| 8640-2/03 Serviços de diálise e nefrologia · this one | 20 |
| 8640-2/04 Serviços de tomografia | 23 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 107 |
| 8640-2/06 Serviços de ressonância magnética | 8 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 45 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 4 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 11 |
| 8640-2/10 Serviços de quimioterapia | 4 |
| 8640-2/11 Serviços de radioterapia | 2 |
| 8640-2/12 Serviços de hemoterapia | 3 |
| 8640-2/13 Serviços de litotripcia | 0 |
| 8640-2/14 Serviços de bancos de células e tecidos humanos | 0 |
| 8640-2/99 Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente | 21 |
Close to this: 8610-1/02 · Atividades de atendimento em pronto socorro e unidades hospitalares para atendimento a urgências, 291 companies in São Luís (MA).
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 São Luís (MA)?
20 active companies have CNAE 8640-2/03 as their main activity in São Luís (MA), 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 Maranhão's cities has the most companies in this activity?
São Luís, with 20, 44.4% of the state's companies in this activity.
Why can this total differ from the companies operating in the city?
This scope counts active companies by their head office and registered main activity. A company may operate in the city 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 São Luís (MA).