CNAE 8640-2/05 · Maranhão
Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia in Maranhão
198 active companies are headquartered in Maranhão with this CNAE as their main activity. They represent 2.0% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 9,757
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
- 198
- 2.0% of Brazil's
- Of every 100 companies in Maranhão
- 0.1
- do this activity
- Among Brazil's federative units
- 13th
- 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 7- CENTRO DE CARDIOLOGIA INVASIVA DO MARANHAO LTDASão Luís (MA)
- BIOCENTRO LTDAPresidente Dutra (MA)
- MILHOMEM SERVICOS MEDICOS E HOSPITALARES UNIPESSOAL LTDASão Luís (MA)
- REMY A SOARES FILHO LTDAPresidente Dutra (MA)
- A O ALVES LTDALago da Pedra (MA)
- CLINICA ODONTOLIFE LTDAAçailândia (MA)
- J A P MILHOMEM PRESTACAO DE SERVICOS LTDAAmarante do Maranhão (MA)
- MAXIMAGEM SERVICOS MEDICOS LTDASão Luís (MA)
- CLINICA DE ENDOCRINOLOGIA, DIABETES E MEDICINA NUCLEAR DO MARANHAO LTDASão Luís (MA)
- COELHO RADIOIMAGEM LTDASão Luís (MA)
- ECOMED SERVICOS MEDICOS LTDASão Luís (MA)
- DIAGNOSE IMAGENOLOGIA LTDASão Luís (MA)
- W PET-DIAGNOSTICO MEDICO S/A.Imperatriz (MA)
- MATER CLINICA MEDICA LTDABalsas (MA)
- CLINICA RADIOLOGICA ALBUQUERQUE E CASTRO LTDASão Luís (MA)
- SAO BENTO MEDICINA E IMAGEM LTDASão Luís (MA)
- RADIOLOGIA DIGITAL RENASCENCA LTDASão Luís (MA)
- FALCAO & MOURA EMPREENDIMENTOS LTDAVitória do Mearim (MA)
- SANTA VITORIA EMPREENDIMENTOS LTDAVitória do Mearim (MA)
- D S CORDEIRO LTDASão Luís (MA)
- DIAGNOSTIMAGEM LTDASão Luís (MA)
- CIS - CENTRO INTEGRADO EM SAUDE LTDASão Luís (MA)
- MED CENTER EMPREENDIMENTOS LTDAPinheiro (MA)
- CDI - CENTRO DE DIAGNOSTICO POR IMAGEM LTDAImperatriz (MA)
- JOAO VICTOR DE A COSTA LTDAPresidente Dutra (MA)
- DOCS RADIOLOGIA COHAMA LTDASão Luís (MA)
- CLINICA SIM SERVICOS DE IMAGEM DO MARANHAO LTDASão Luís (MA)
- DOCS RADIOLOGIA COHAB LTDASão Luís (MA)
- RADIOLOGIA DIGITAL CENTRO LTDASão Luís (MA)
- EASY RADIOLOGIA ODONTOLOGICA LTDASão Luís (MA)
List limited to 198 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
- Maranhão0.1
- Brazil0.0
In Maranhão, the activity weighs 1.5 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 54.0% 107
- 2 Imperatriz 5.1% 10
- 3 Pinheiro 4.0% 8
- 4 Açailândia 4.0% 8
- 5 Presidente Dutra 3.0% 6
- 6 Bacabal 2.5% 5
- 7 Coroatá 2.5% 5
- 8 Balsas 2.0% 4
- 9 João Lisboa 2.0% 4
- 10 Paço do Lumiar 2.0% 4
20 more cities
- 11 São José de Ribamar 3
- 12 Amarante do Maranhão 2
- 13 Barreirinhas 2
- 14 Chapadinha 2
- 15 Cururupu 2
- 16 Fortaleza dos Nogueiras 2
- 17 São Mateus do Maranhão 2
- 18 Vitória do Mearim 2
- 19 Santa Inês 2
- 20 Formosa da Serra Negra 1
- 21 Barra do Corda 1
- 22 Caxias 1
- 23 Coelho Neto 1
- 24 Colinas 1
- 25 Governador Eugênio Barros 1
- 26 Itapecuru Mirim 1
- 27 Joselândia 1
- 28 Lago da Pedra 1
- 29 Matões 1
- 30 Pedreiras 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 | 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 · this one | 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: 8640-2/04 · Serviços de tomografia, 45 companies in Maranhão.
What activity 8640-2/05 is
- Os serviços de radiodiagnóstico, tais como: #- radiologia médica e odontológica #- densitometria óssea #- hemodinâmica #- medicina nuclear #- mamografia #- fluoroscopia
- As atividades de unidades móveis equipadas apenas de laboratório radiológico, com pessoal especializado, sem fornecimento de consultas médicas
Frequently asked questions
How many companies have main CNAE 8640-2/05 in Maranhão?
198 active companies have CNAE 8640-2/05 as their main activity in Maranhão, according to the Receita Federal's October 2026 publication. That is 0.1 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 107, 54.0% 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.