CNAE 4399-1/05 · Maranhão
Drilling and construction of water wells in Maranhão
161 active companies are headquartered in Maranhão with this CNAE as their main activity. They represent 3.0% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 5,395
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
- 161
- 3.0% of Brazil's
- Of every 100 companies in Maranhão
- 0.0
- do this activity
- Among Brazil's federative units
- 13th
- 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. · page 4 of 6- R DA C CARVALHO POCOSGrajaú (MA)
- FRANCISCO DAS CHAGAS FERREIRA DE CARVALHOParaibano (MA)
- E DOS S DE ARAUJO SERVICOSPedreiras (MA)
- G OLIVEIRA ARAUJOSanta Inês (MA)
- ANDRE RIBEIRO RODRIGUESEstreito (MA)
- FABIANA SOUSA SILVASão Luís (MA)
- ANTONIO PEREIRA DA SILVA FILHOCachoeira Grande (MA)
- R N SOUZA SERVICOSAçailândia (MA)
- R D PINHEIRO POCOS ARTESIANONova Olinda do Maranhão (MA)
- ANTONIO B. FERREIRAPaulo Ramos (MA)
- M. DO N. ALMEIDA - TRANSPORTESão Benedito do Rio Preto (MA)
- A M DA SILVA SERVICOSAnajatuba (MA)
- JOSE HELESSON PEREIRA DA SILVABoa Vista do Gurupi (MA)
- JOST MAIA BATISTASão Luís (MA)
- M F S DE MARIASão José de Ribamar (MA)
- J M M DOS SANTOSPresidente Dutra (MA)
- F A R DE AZEVEDO SERVICOSSão Luís (MA)
- JOSE CONCEICAO SILVA FILHOVitorino Freire (MA)
- ANTONIO RAFAEL DE SOUSA PEREIRAMaracaçumé (MA)
- W J BRAZ DE SOUZA SERVICOSSão Luís (MA)
- A DA SILVA LEALTuntum (MA)
- J DA CUNHA AZEVEDOArame (MA)
- ANA PAULA SILVA PINTOSão Luís (MA)
- ANGELA MARIA MARTINS PINHEIROSão Luís (MA)
- E DA S RAMALHOGovernador Nunes Freire (MA)
- FRANCISCO DA SILVA MARQUESSão Luís Gonzaga do Maranhão (MA)
- F J N DE GOIS SERVICOSImperatriz (MA)
- EVERALDO DINIZ BITTENCOURTPalmeirândia (MA)
- CESAR ROBERTO DE LIMA CASTROCoroatá (MA)
- ANA PRICILA MELO ARAUJORosário (MA)
List limited to 161 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
- Maranhão0.0
- Brazil0.0
In Maranhão, the activity weighs 2.3 times what it does 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 21.1% 34
- 2 Imperatriz 9.3% 15
- 3 Balsas 5.0% 8
- 4 Fortaleza dos Nogueiras 3.7% 6
- 5 Caxias 2.5% 4
- 6 Grajaú 2.5% 4
- 7 São José de Ribamar 2.5% 4
- 8 Santa Inês 2.5% 4
- 9 Açailândia 2.5% 4
- 10 Pedro do Rosário 1.9% 3
20 more cities
- 11 Raposa 3
- 12 Trizidela do Vale 3
- 13 Paço do Lumiar 3
- 14 Pedreiras 3
- 15 Presidente Dutra 3
- 16 São Benedito do Rio Preto 3
- 17 Estreito 3
- 18 Nova Olinda do Maranhão 2
- 19 Anajatuba 2
- 20 Chapadinha 2
- 21 Gonçalves Dias 2
- 22 Itapecuru Mirim 2
- 23 Mirinzal 2
- 24 Olho d'Água das Cunhãs 2
- 25 Riachão 2
- 26 São Bernardo 2
- 27 Timon 2
- 28 Paulo Ramos 2
- 29 Alto Alegre do Maranhão 1
- 30 Boa Vista do Gurupi 1
Class 4399-1 in Maranhão
serviços especializados para construção não especificados anteriormente, by subclass| Subclass | Active |
|---|---|
| 4399-1/01 Construction management | 164 |
| 4399-1/02 Erection and dismantling of scaffolding and other temporary structures | 4 |
| 4399-1/03 Masonry works | 2,729 |
| 4399-1/04 Operation and supply of equipment for lifting loads and people on construction sites | 48 |
| 4399-1/05 Drilling and construction of water wells · this one | 161 |
| 4399-1/99 Specialized construction services not elsewhere classified | 157 |
What activity 4399-1/05 is
- A perfuração e construção de poços de água
Frequently asked questions
How many companies have main CNAE 4399-1/05 in Maranhão?
161 active companies have CNAE 4399-1/05 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 34, 21.1% 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 Maranhão.