CNAE 4391-6/00 · Natal (RN)

Obras de fundações in Natal (RN)

14 active companies are headquartered in Natal (RN) 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 2,618 · Rio Grande do Norte 20

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 Natal (RN): 14; 0.5% of Brazil's
Of every 100 companies in Natal (RN): 0.0; do this activity
Among Rio Grande do Norte's cities: 1st; by companies in this activity

Active companies in Natal (RN)

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.

ENGEO ENGENHARIA E GEOTECNIA LTDANatal (RN)
SJA ENGENHARIA DE FUNDACOES LTDANatal (RN)
SAN MARCOS ENGENHARIA E SERVICOS TERCEIRIZADOS LTDANatal (RN)
EDIFICARE GESTAO DE EMPREENDIMENTOS LTDANatal (RN)
DELCON SERVICOS DE ENGENHARIA E CONSTRUCAO LTDANatal (RN)
AMS CONSTRUCOES E SERVICOS LTDANatal (RN)
ENGEO NTL FUNDACOES E LOCACAO DE EQUIPAMENTOS LTDANatal (RN)
LML CONSTRUCOES LTDANatal (RN)
ALTO DA SERRA CONSTRUCAO E FUNDACAO LTDANatal (RN)
GEOQUALITY GEOTECNIA LTDANatal (RN)
A S ARAUJO FUNDACOES E CONSTRUCOES LTDANatal (RN)
ENGEO FUNDACOES LTDANatal (RN)
J C FUNDACOES LTDANatal (RN)
A. M. L. RIBEIRO DA SILVANatal (RN)

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

Natal (RN)0.0
Rio Grande do Norte0.0
Brazil0.0

In Natal (RN), the activity weighs 1.4 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 70.0% 14
2 Triunfo Potiguar 5.0% 1
3 Apodi 5.0% 1
4 Campo Grande 5.0% 1
5 Baía Formosa 5.0% 1
6 Lagoa de Pedras 5.0% 1
7 Macaíba 5.0% 1

Class 4391-6 in Natal (RN)

obras de fundações, by subclass

Close to this: 7119-7/02 · Atividades de estudos geológicos, 58 companies in Natal (RN).

What activity 4391-6/00 is

A execução de fundações diversas para edifícios e outras obras de engenharia civil, inclusive a cravação de estacas
A execução de reforço de fundações para edifícios e outras obras de engenharia civil
O aluguel, com operador, de equipamentos para execução de fundações

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4391-6/00 in Natal (RN)?

14 active companies have CNAE 4391-6/00 as their main activity in Natal (RN), 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 14, 70.0% 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 Natal (RN).