CNAE 8640-2/01 · Maranhão
Laboratórios de anatomia patológica e citológica in Maranhão
35 active companies are headquartered in Maranhão with this CNAE as their main activity. They represent 2.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 1,593
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 Maranhão
- 35
- 2.2% of Brazil's
- Of every 100 companies in Maranhão
- 0.0
- do this activity
- Among Brazil's federative units
- 14th
- by companies in this activity
Active companies in Maranhão
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 2- CLINICA E LABORATORIO SAO JUDAS TADEU LTDARiachão (MA)
- FCEVR SERVICOS LABORATORIAIS LTDASão Luís (MA)
- PAPLAB DIAGNOSTICOS LTDATimon (MA)
- HISTOPATH - PATOLOGIA E CITOLOGIA DIAGNOSTICA LTDAImperatriz (MA)
- MARIA ASSUNCAO SILVA MORAIS LTDABalsas (MA)
- CLINICA E LABORATORIO NOSSA SENHORA DE LURDES LTDASão Luís (MA)
- ANATOMIA PATOLOGICA MADEIRA & GOIS LTDABacabal (MA)
- COSTA XIMENES LABORATORIO LTDACarolina (MA)
- CENTRO DE PATOLOGIA DO MARANHAO LIMITADASão Luís (MA)
- R S SILVA SERVICOS CLINICOS LTDASão Luís (MA)
- NUCLEUS DIAGNOSTICO EM PATOLOGIA LTDASão Luís (MA)
- R NUNES LOURENCO LTDAGovernador Archer (MA)
- ZARS LABORATORIOS LTDA.São Luís (MA)
- NACIONAL LAB SERVICOS DIAGNOSTICOS LTDACaxias (MA)
- LABMAXX LABORATORIO DE ANALISES CLINICAS LTDAImperatriz (MA)
- CITODIAGNOSTICOS LABORATORIO DE CITOLOGIA E ANALISES CLINICAS LTDAImperatriz (MA)
- N C MACIEL LUNA LTDASão Luís (MA)
- LAPAVET LABORATORIO DE PATOLOGIA VETERINARIA LTDASão Luís (MA)
- RIBEIRO E VERDEROSI LTDAImperatriz (MA)
- L F ASSISTENCIA MEDICA LTDASão Luís (MA)
- L C M DA FONSECA LABORATORIO DE ANALISES CLINICA LTDAFortaleza dos Nogueiras (MA)
- LACMAR - LABORATORIO DE ANALISES CLINICAS DO MARANHAO LTDA SCPSão Luís (MA)
- DI ROCHA DIAGNOSTICO LTDAImperatriz (MA)
- HODGKIN - PATOLOGIA E CITOLOGIA LTDAImperatriz (MA)
- PRODIAGNOSE LABORATORIO LTDASão Luís (MA)
- SERVIMED SERVICOS MEDICOS HOSPITALARES LTDAImperatriz (MA)
- R. SANTOS FONSECASão João do Paraíso (MA)
- E F B SILVASanta Inês (MA)
- JOAO FERREIRA SOUSA NETOTuntum (MA)
- LANIA F. M. RIBEIROVitorino Freire (MA)
List limited to 35 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
- Maranhão0.0
- Brazil0.0
In Maranhão, the activity weighs 1.7 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 31.4% 11
- 2 Imperatriz 22.9% 8
- 3 São João do Paraíso 2.9% 1
- 4 Bacabal 2.9% 1
- 5 Balsas 2.9% 1
- 6 Carolina 2.9% 1
- 7 Caxias 2.9% 1
- 8 Fortaleza dos Nogueiras 2.9% 1
- 9 Governador Archer 2.9% 1
- 10 Pedreiras 2.9% 1
8 more cities
- 11 Pindaré-Mirim 1
- 12 Porto Franco 1
- 13 Presidente Dutra 1
- 14 Riachão 1
- 15 Timon 1
- 16 Tuntum 1
- 17 Vitorino Freire 1
- 18 Santa Inês 1
Class 8640-2 in Maranhão
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica · this one | 35 |
| 8640-2/02 Laboratórios clínicos | 435 |
| 8640-2/03 Serviços de diálise e nefrologia | 45 |
| 8640-2/04 Serviços de tomografia | 45 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 198 |
| 8640-2/06 Serviços de ressonância magnética | 11 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 93 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 16 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 13 |
| 8640-2/10 Serviços de quimioterapia | 6 |
| 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 | 43 |
Close to this: 8640-2/02 · Laboratórios clínicos, 435 companies in Maranhão.
What activity 8640-2/01 is
- As atividades dos laboratórios de anatomia patológica e citológica, tais como: #- exames citológicos #- exames citopatológicos #- exames histopatológicos
Frequently asked questions
How many companies have main CNAE 8640-2/01 in Maranhão?
35 active companies have CNAE 8640-2/01 as their main activity in Maranhão, 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, 31.4% 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 Maranhão.