CNAE 8640-2/99 · Volta Redonda (RJ)
Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente in Volta Redonda (RJ)
17 active companies are headquartered in Volta Redonda (RJ) with this CNAE as their main activity. They represent 0.5% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 3,328 · Rio de Janeiro 394
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 Volta Redonda (RJ)
- 17
- 0.5% of Brazil's
- Of every 100 companies in Volta Redonda (RJ)
- 0.1
- do this activity
- Among Rio de Janeiro's cities
- 4th
- by companies in this activity
Active companies in Volta Redonda (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- RADIOVIDA DIAGNOSTICO POR IMAGEM LTDA. EM RECUPERACAO JUDICIALVolta Redonda (RJ)
- V3 SERVICOS MEDICOS LTDA.Volta Redonda (RJ)
- INSTITUTO DE OXIGENOTERAPIA HIPERBARICA LIMITADAVolta Redonda (RJ)
- IMAGEMVIDA CURSO PREPARATORIO EM RADIOLOGIA E DIAGNOSTICO POR IMAGEM 2 SCPVolta Redonda (RJ)
- RADIOVIDA DIAGNOSTICO POR IMAGEM 2 SCPVolta Redonda (RJ)
- IMAGEMVIDA CURSO PREPARATORIO EM RADIOLOGIA E DIAGNOSTICO POR IMAGEM SCPVolta Redonda (RJ)
- RADIOVIDA DIAGNOSTICO POR IMAGEM SCPVolta Redonda (RJ)
- LABORATORIO MEDICO DIAGNOLAB VOLTA REDONDA LTDAVolta Redonda (RJ)
- CORACOES CENTRO MEDICO INTEGRADO LTDAVolta Redonda (RJ)
- INSTITUTO DE UROLOGIA E NEFROLOGIA DE VOLTA REDONDA LTDAVolta Redonda (RJ)
- BOECHAT GINECOLOGISTAS ASSOCIADOS LTDAVolta Redonda (RJ)
- M F SAUDE E PERFORMANCE LTDAVolta Redonda (RJ)
- CENTRO DE DIAGNOSTICO OFTALMOLOGICO LTDAVolta Redonda (RJ)
- CEDOV CENTRO DE DENSITOMETRIA OSSEA DE V REDONDA LTDAVolta Redonda (RJ)
- ECKOS DIAGNOSTICO LTDAVolta Redonda (RJ)
- CARDIO DIAGNOSTICOS E MEDICINA LTDAVolta Redonda (RJ)
- JHC SERVICOS MEDICOS E DIAGNOSTICO LTDAVolta Redonda (RJ)
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
- Volta Redonda (RJ)0.1
- Rio de Janeiro0.0
- Brazil0.0
In Volta Redonda (RJ), the activity weighs 4.2 times what it does in Brazil.
Rio de Janeiro's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Rio de Janeiro 50.0% 197
- 2 Niterói 8.9% 35
- 3 Petrópolis 4.3% 17
- 4 Volta Redonda 4.3% 17
- 5 Campos dos Goytacazes 3.6% 14
- 6 Duque de Caxias 3.0% 12
- 7 Macaé 2.3% 9
- 8 São Gonçalo 2.3% 9
- 9 Teresópolis 2.3% 9
- 10 Barra do Piraí 2.0% 8
20 more cities
- 11 Nova Friburgo 8
- 12 Nova Iguaçu 8
- 13 Itaperuna 6
- 14 Barra Mansa 5
- 15 Cabo Frio 5
- 16 São João de Meriti 5
- 17 Três Rios 5
- 18 Miguel Pereira 3
- 19 Rio das Ostras 2
- 20 Nilópolis 2
- 21 Armação dos Búzios 1
- 22 Pinheiral 1
- 23 Porto Real 1
- 24 Mesquita 1
- 25 Japeri 1
- 26 Angra dos Reis 1
- 27 Araruama 1
- 28 Cachoeiras de Macacu 1
- 29 Cambuci 1
- 30 Cordeiro 1
Class 8640-2 in Volta Redonda (RJ)
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica | 4 |
| 8640-2/02 Laboratórios clínicos | 19 |
| 8640-2/03 Serviços de diálise e nefrologia | 3 |
| 8640-2/04 Serviços de tomografia | 3 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 19 |
| 8640-2/06 Serviços de ressonância magnética | 1 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 11 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 1 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 2 |
| 8640-2/10 Serviços de quimioterapia | 0 |
| 8640-2/11 Serviços de radioterapia | 4 |
| 8640-2/12 Serviços de hemoterapia | 0 |
| 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 · this one | 17 |
Close to this: 8630-5/02 · Atividade médica ambulatorial com recursos para realização de exames complementares, 106 companies in Volta Redonda (RJ).
What activity 8640-2/99 is
- Os exames de função pulmonar, tais como: #- espirometria #- oxigenoterapia
- Os outros serviços de complementação diagnóstica e terapêutica não especificados anteriormente
Frequently asked questions
How many companies have main CNAE 8640-2/99 in Volta Redonda (RJ)?
17 active companies have CNAE 8640-2/99 as their main activity in Volta Redonda (RJ), 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 Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 197, 50.0% 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 Volta Redonda (RJ).