CNAE 8640-2/09 · São Luís (MA)
Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos in São Luís (MA)
11 active companies are headquartered in São Luís (MA) with this CNAE as their main activity. They represent 0.9% 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)
- 11
- 0.9% 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.- ACERTE TECNOLOGIA MEDICA LTDASão Luís (MA)
- ECOENDOSCOPIA DO MARANHAO LTDASão Luís (MA)
- COLINS SOUZA CONSULTORIA LTDASão Luís (MA)
- MATOS CANTANHEDE SERVICOS MEDICOSSão Luís (MA)
- A M LIMA SERVICOS MEDICOS LTDASão Luís (MA)
- ENDOSERVICE SERVICOS DE ENDOSCOPIA DO MARANHAO LTDASão Luís (MA)
- DIAGNOSTICA SERVICOS MEDICOS LTDASão Luís (MA)
- CENTROGASTRO - DIAGNOSTICO E TERAPEUTICA EM PATOLOGIA DO SISTEMA DIGESTORIO LTDASão Luís (MA)
- LARA PARAGUASSU DEMES FRANCA LTDASão Luís (MA)
- A. M. S. CUTRIMSão Luís (MA)
- KATIA C. A. RODRIGUESSão 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 2.1 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 84.6% 11
- 2 Imperatriz 7.7% 1
- 3 Pinheiro 7.7% 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 | 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 · this one | 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 |
What activity 8640-2/09 is
- Os serviços de diagnóstico por métodos ópticos, tais como, as endoscopias digestivas, respiratórias e outras
Frequently asked questions
How many companies have main CNAE 8640-2/09 in São Luís (MA)?
11 active companies have CNAE 8640-2/09 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 11, 84.6% 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).