CNAE 4391-6/00 · Rio de Janeiro

Obras de fundações in Rio de Janeiro

214 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 8.2% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 2,618

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 de Janeiro: 214; 8.2% of Brazil's
Of every 100 companies in Rio de Janeiro: 0.0; do this activity
Among Brazil's federative units: 4th; by companies in this activity

Active companies in Rio de Janeiro

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 8

CONBRIZZA CONSTRUCOES E INCORPORACOES LTDAAreal (RJ)
JBL CONSTRUTORA LTDARio de Janeiro (RJ)
CONTEMAT ENGENHARIA E GEOTECNIA S ARio de Janeiro (RJ)
COMINTER COMERCIO MINERACAO E TERRAPLANAGEM LTDARio de Janeiro (RJ)
SOLOTESTE ENGENHARIA LTDARio de Janeiro (RJ)
MC OBRAS E CONSTRUCOES LTDARio das Ostras (RJ)
M D S MAGALHAES CONSTRUCOES LTDASão João da Barra (RJ)
L.A FUNDACOES E OBRAS LTDARio de Janeiro (RJ)
SEGEO-SERVICOS DE ENGENHARIA GEOTECNICA LTDARio de Janeiro (RJ)
MAPA FUNDACOES E COMERCIO LTDARio de Janeiro (RJ)
RIO BRANCO SERVICOS DE ENGENHARIA LTDARio de Janeiro (RJ)
A.P. MACEDO CONSTRUCOES LTDACampos dos Goytacazes (RJ)
INCOMEX S A ENGENHARIA INDUSTRIA E COMERCIORio de Janeiro (RJ)
PROENARC ENGENHARIA FUNDACOES LTDARio de Janeiro (RJ)
NOVA ESCOLA CONSTRUCAO LTDANiterói (RJ)
SALUTAR EMPREENDIMENTOS E CONSTRUCOES LTDASão João da Barra (RJ)
CONSTRUTORA ESTADOS UNIDOS LTDANiterói (RJ)
MAJOKA EMPREENDIMENTOS IMOBILIARIOS LIMITADAItaboraí (RJ)
CONSTRUTORA COMPASSO LIMITADANiterói (RJ)
P. H. PAES CONSTRUCOES LTDACampos dos Goytacazes (RJ)
PBA CONSTRUCOES LTDARio de Janeiro (RJ)
TGPORT SERVICOS DE GEOTECNIA E FUNDACOES ESPECIAIS LTDARio de Janeiro (RJ)
ADECON EMPREENDIMENTOS IMOBILIARIOS LIMITADANiterói (RJ)
PORCELLIS SERVICOS EM GERAL LTDAJaperi (RJ)
ANGEMAR MULTI COMERCIAL E EMPREENDIMENTOS LTDACampos dos Goytacazes (RJ)
PIACENTINI EMPREENDIMENTOS IMOBILIARIOS LIMITADANiterói (RJ)
SAIDE ENGENHARIA E CONSTRUCOES LIMITADANiterói (RJ)
E L M CORREA SERVICOS E COMERCIO LTDARio das Ostras (RJ)
DINAMICA CONSTRUCOES E ACABAMENTOS LTDAItaboraí (RJ)
T.A. CONSTRUTORA E SERVICOS LTDARio de Janeiro (RJ)

List limited to 214 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 de Janeiro0.0
Brazil0.0

In Rio de Janeiro, the activity weighs 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 34.1% 73
2 Campos dos Goytacazes 9.8% 21
3 Niterói 7.0% 15
4 Duque de Caxias 5.1% 11
5 Cabo Frio 4.7% 10
6 Volta Redonda 3.7% 8
7 Rio das Ostras 3.3% 7
8 Nova Iguaçu 3.3% 7
9 São Gonçalo 3.3% 7
10 Itaboraí 2.8% 6

20 more cities

Class 4391-6 in Rio de Janeiro

obras de fundações, by subclass

Close to this: 4313-4/00 · Obras de terraplenagem, 727 companies in Rio de Janeiro.

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 Rio de Janeiro?

214 active companies have CNAE 4391-6/00 as their main activity in Rio de Janeiro, 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 de Janeiro's cities has the most companies in this activity?

Rio de Janeiro, with 73, 34.1% 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 de Janeiro.