CNAE 8640-2/08 · São Paulo
Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos in São Paulo
228 active companies are headquartered in São Paulo with this CNAE as their main activity. They represent 22.1% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 1,031
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 São Paulo
- 228
- 22.1% of Brazil's
- Of every 100 companies in São Paulo
- 0.0
- do this activity
- Among Brazil's federative units
- 1st
- by companies in this activity
Active companies in São Paulo
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 7 of 8- THAIS RODRIGUES PESSUTTE LTDARibeirão Pires (SP)
- CORDIAL ANIMUS SERVICOS MEDICOS LTDASão Paulo (SP)
- SANS - SERVICOS MEDICOS LTDASantos (SP)
- BERTONHA CLINICA MEDICA LTDACampinas (SP)
- DE PAULA E LIMA MEDICINA CLINICA E DIAGNOSTICA LTDASão Paulo (SP)
- UNIDADE DE DIAGNOSTICOS CLINICOS E POR IMAGEM EM CARDIOLOGIA LTDASão Bernardo do Campo (SP)
- ASF CONSULTORIA OCUPACIONAL LTDASão Paulo (SP)
- LEANDRO ESTEVES PIRES RIOS LTDASão Paulo (SP)
- AUDMED - EXAMES OCUPACIONAIS E FONOAUDIOLOGIA LTDALorena (SP)
- OMERON SERVICOS MEDICOS LTDACampinas (SP)
- CIN CENTRO INTEGRADO DE NEUROFISIOLOGIA LTDASão Paulo (SP)
- CLINICA DR. RICARDO FERREIRA MONITORACAO NEUROFISIOLOGICA SOCIEDADE SIMPLESSão José dos Campos (SP)
- INSTITUTO DO SONO DE OSASCO E MEDICINA DIAGNOSTICA LTDAOsasco (SP)
- BARON SERVICOS MEDICOS LTDASão José do Rio Preto (SP)
- UNITAS SERVICOS MEDICOS S/S LTDASão Paulo (SP)
- NEOCORTEX NEUROFISIOLOGIA AVANCADA LTDASão Paulo (SP)
- CLINICA NEUROSONO DIAGNOSTICO DO SONO E NEUROCIENCIA LTDASão Caetano do Sul (SP)
- BRAINESTAR LTDASão José dos Campos (SP)
- PRMORON SERVICOS MEDICOS LTDA.Bauru (SP)
- SILVERIO APARECIDO GARBUIO LTDASão Paulo (SP)
- CLAYTON GILBERTO LIMA PINHO LTDASão Paulo (SP)
- STHEFFANNI QUEIROZ SCARMIN LTDASanto André (SP)
- SCRAMIM SERVICOS MEDICOS LTDASão Paulo (SP)
- M. AVANZI FONOAUDIOLOGIA LTDASumaré (SP)
- INSTITUTO DE CARDIOLOGIA PREVENTIVA DE SAO CAETANO DO SUL LTDASão Caetano do Sul (SP)
- LUMINIS ASSESSORIA E SERVICOS LTDASão Paulo (SP)
- BIANIKMED LTDASão Paulo (SP)
- JJ MOURA SERVICOS MEDICOS LTDASão Paulo (SP)
- FERNANDA CRISTINA SAID MACIEL LTDASorocaba (SP)
- NNC NUNES NEUROFISIOLOGIA CLINICA LTDA - SCPSanta Bárbara d'Oeste (SP)
List limited to 228 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
- São Paulo0.0
- Brazil0.0
In São Paulo, the activity weighs less than in Brazil.
São Paulo's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Paulo 45.2% 103
- 2 Campinas 6.6% 15
- 3 Limeira 2.6% 6
- 4 Bragança Paulista 2.2% 5
- 5 Ribeirão Preto 2.2% 5
- 6 Santos 2.2% 5
- 7 São José dos Campos 1.8% 4
- 8 Americana 1.3% 3
- 9 Itu 1.3% 3
- 10 Jundiaí 1.3% 3
20 more cities
- 11 Lorena 3
- 12 Marília 3
- 13 Mogi das Cruzes 3
- 14 Piracicaba 3
- 15 Santa Bárbara d'Oeste 3
- 16 Santo André 3
- 17 São Caetano do Sul 3
- 18 Sorocaba 3
- 19 Bauru 2
- 20 Catanduva 2
- 21 Franco da Rocha 2
- 22 Guarujá 2
- 23 Guarulhos 2
- 24 Osasco 2
- 25 Ourinhos 2
- 26 Praia Grande 2
- 27 São João da Boa Vista 2
- 28 São José do Rio Preto 2
- 29 Sertãozinho 2
- 30 Sumaré 2
Class 8640-2 in São Paulo
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica | 341 |
| 8640-2/02 Laboratórios clínicos | 1,920 |
| 8640-2/03 Serviços de diálise e nefrologia | 240 |
| 8640-2/04 Serviços de tomografia | 270 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 2,226 |
| 8640-2/06 Serviços de ressonância magnética | 273 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 896 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos · this one | 228 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 273 |
| 8640-2/10 Serviços de quimioterapia | 89 |
| 8640-2/11 Serviços de radioterapia | 141 |
| 8640-2/12 Serviços de hemoterapia | 66 |
| 8640-2/13 Serviços de litotripcia | 11 |
| 8640-2/14 Serviços de bancos de células e tecidos humanos | 29 |
| 8640-2/99 Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente | 951 |
Close to this: 8640-2/99 · Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente, 951 companies in São Paulo.
What activity 8640-2/08 is
- Os serviços de diagnóstico por registro gráfico - ECG, EEG, polissonografia, audiometria e outros tipos de serviços de diagnóstico por registro gráfico
Frequently asked questions
How many companies have main CNAE 8640-2/08 in São Paulo?
228 active companies have CNAE 8640-2/08 as their main activity in São Paulo, 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 São Paulo's cities has the most companies in this activity?
São Paulo, with 103, 45.2% 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 São Paulo.