CNAE 8640-2/07 · Rio Grande do Norte

Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética in Rio Grande do Norte

90 active companies are headquartered in Rio Grande do Norte with this CNAE as their main activity. They represent 1.9% of Brazil's active companies with the same main activity.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

The same activity in Brazil 4,832

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 Rio Grande do Norte: 90; 1.9% of Brazil's
Of every 100 companies in Rio Grande do Norte: 0.0; do this activity
Among Brazil's federative units: 17th; by companies in this activity

Active companies in Rio Grande do Norte

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 3

NATALCOR LTDANatal (RN)
FRANCISCO NASCIMENTO DE PAIVA NETO LTDAMartins (RN)
ULTRACLIN CLINICA LTDANatal (RN)
CLINICA TIROL S/S LTDANatal (RN)
INGRID MENDONCA PIRES FERREIRA IMAGENS MEDICAS LTDANatal (RN)
TOCOGIN LTDANatal (RN)
CAMPOS & BRITO S/S LTDACaicó (RN)
TOP IMAGEM E DIAGNOSTICO LTDAAssú (RN)
CARDIOCENTRO LTDANatal (RN)
HOSPITAL INCOR NATAL LTDANatal (RN)
SERVICOS DE IMAGEM POTIGUAR LTDANatal (RN)
DOM DA VIDA SERVICOS EM SAUDE LTDALucrécia (RN)
GRATIARE MEDICINA E SAUDE LTDANatal (RN)
FRAGOSO SERVICOS DE DIAGNOSTICO LTDANatal (RN)
MARCIO FRANCISCO DE SOUZA PAIVA LTDAPortalegre (RN)
DR. BARRETO CONSULTORIO LTDAMossoró (RN)
MEDEIROS & BRITO DIAGNOSTICOS POR IMAGEM LTDACaicó (RN)
CLINICA ANGIO-CARDIO LTDANatal (RN)
GREEN RADIOLOGIA LTDANatal (RN)
CLINICA DA MULHER LTDANatal (RN)
MAXXIMUM DIAGNOSTICO POR IMAGEM LTDAMossoró (RN)
SAS SERVICOS MEDICOS LTDAMossoró (RN)
CP CLINICA MEDICA E ULTRASSONOGRAFIA LTDAAssú (RN)
H R DE OLIVEIRA ULTRASSONOGRAFIA - LTDATouros (RN)
ATITUDE DIAGNOSTICOS LTDANatal (RN)
VIDE SAUDE IMAGEM LTDAMossoró (RN)
A E CAVALCANTE AIRES LTDAPau dos Ferros (RN)
ULTRA LIFE SERVICOS MEDICOS LTDANatal (RN)
DR. DAGOBERTO IMAGENS & CLINICA MEDICA LTDAItaú (RN)
CLINICA PETRONIO ULTRASON LTDACurrais Novos (RN)

List limited to 90 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

Rio Grande do Norte0.0
Brazil0.0

In Rio Grande do Norte, the activity weighs 1.7 times what it does in Brazil.

Rio Grande do Norte's cities with the most companies in this activity

active companies and each city's share of the state

1 Natal 54.4% 49
2 Mossoró 18.9% 17
3 Assú 4.4% 4
4 Caicó 4.4% 4
5 Goianinha 2.2% 2
6 Alto do Rodrigues 1.1% 1
7 Caraúbas 1.1% 1
8 Currais Novos 1.1% 1
9 Guamaré 1.1% 1
10 Itaú 1.1% 1

9 more cities

Class 8640-2 in Rio Grande do Norte

atividades de serviços de complementação diagnóstica e terapêutica, by subclass

Subclass	Active
8640-2/01 Laboratórios de anatomia patológica e citológica	32
8640-2/02 Laboratórios clínicos	276
8640-2/03 Serviços de diálise e nefrologia	19
8640-2/04 Serviços de tomografia	19
8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia	118
8640-2/06 Serviços de ressonância magnética	8
8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética · this one	90
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	18
8640-2/10 Serviços de quimioterapia	5
8640-2/11 Serviços de radioterapia	12
8640-2/12 Serviços de hemoterapia	2
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	27

Close to this: 8640-2/04 · Serviços de tomografia, 19 companies in Rio Grande do Norte.

What activity 8640-2/07 is

Os serviços que realizam exames de ultrassonografia

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 8640-2/07 in Rio Grande do Norte?

90 active companies have CNAE 8640-2/07 as their main activity in Rio Grande do Norte, 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 Rio Grande do Norte's cities has the most companies in this activity?

Natal, with 49, 54.4% 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 Rio Grande do Norte.