CNAE 4312-6/00 · Maranhão

Perfurações e sondagens in Maranhão

14 active companies are headquartered in Maranhão with this CNAE as their main activity. They represent 1.0% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 1,419

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: 14; 1.0% of Brazil's
Of every 100 companies in Maranhão: 0.0; do this activity
Among Brazil's federative units: 17th; 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.

N & S ENGENHARIA LTDAImperatriz (MA)
S R SOLUCOES EM ENGENHARIA LTDAImperatriz (MA)
WALITON M. BRITO LTDACaxias (MA)
AGUAS LINDAS POCOS ARTESIANOS COMERCIO E SERVICOS LTDAImperatriz (MA)
GECONCRET CONSULTORIA E SERVICOS TECNICOS LTDASão Luís (MA)
FLMK2 ENGENHARIA CONSTRUCOES, FUNDACOES E REFORMAS LTDAPaço do Lumiar (MA)
BMB ENGSOLUTIONS LTDAAlto Alegre do Pindaré (MA)
R N DO NASCIMENTO SANTOS LTDACaxias (MA)
A C N DA SILVA JUNIOR LTDASão Luís (MA)
R M MORAES GEONEXASanta Inês (MA)
E DE MELO FERREIRA LOCACAO DE MAQUINAS E SERVICOSSão Raimundo das Mangabeiras (MA)
RAFAEL GONCALVESSão Luís (MA)
J DE R M RODRIGUESSão Luís (MA)
J DE A M SANTOSBuriticupu (MA)

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

Maranhão0.0
Brazil0.0

In Maranhão, the activity weighs less than 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 28.6% 4
2 Imperatriz 21.4% 3
3 Caxias 14.3% 2
4 Alto Alegre do Pindaré 7.1% 1
5 Buriticupu 7.1% 1
6 Paço do Lumiar 7.1% 1
7 São Raimundo das Mangabeiras 7.1% 1
8 Santa Inês 7.1% 1

Class 4312-6 in Maranhão

perfurações e sondagens, by subclass

Close to this: 4399-1/05 · Perfuração e construção de poços de água, 161 companies in Maranhão.

What activity 4312-6/00 is

As sondagens destinadas à construção
As perfurações e furos para investigação do solo e núcleo para fins de construção, com propósitos geofísicos, geológicos e similares

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4312-6/00 in Maranhão?

14 active companies have CNAE 4312-6/00 as their main activity in Maranhão, 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 Maranhão's cities has the most companies in this activity?

São Luís, with 4, 28.6% 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.