CNAE 4291-0/00 · São Paulo
Obras portuárias, marítimas e fluviais in São Paulo
125 active companies are headquartered in São Paulo with this CNAE as their main activity. They represent 26.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 478
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 São Paulo
- 125
- 26.2% of Brazil's
- Of every 100 companies in São Paulo
- 0.0
- do this activity
- Among Brazil's federative units
- 1st
- by companies in this activity
Active companies in São Paulo
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 3 of 5- LYON ILHA DAS COBRAS S.A.São Paulo (SP)
- SIDERTEC ENGENHARIA E CONSTRUCOES S/C LTDASão Carlos (SP)
- COSMOPOLITA MONTAGENS E DESMONTAGENS S/C LTDASão Paulo (SP)
- BECKER MATTOS SANEAMENTO E CONSTRUCOES S/C LTDATaboão da Serra (SP)
- CONSORCIO CARIOCA CHRISTIANI-NIELSEN ENGENHARIA S/A CEMSA CONSTRUCOES E MONTAGENS S/ASão Paulo (SP)
- CONSORCIO A.B.V.São Paulo (SP)
- CONSORCIO PARA IMPLANTACAO DA USINA HIDRELETRICA ITA - CONITASão Paulo (SP)
- J.R. CONSTRUCAO CIVIL LTDASanto Anastácio (SP)
- CONSORCIO OAS/ETESCOSão Paulo (SP)
- CONSORCIO MENDES CARIOCASão Paulo (SP)
- CONSORCIO TENENGE BARDELLASão Paulo (SP)
- CONSORCIO OAS/CARIOCA/MENDESSão Paulo (SP)
- CONSORCIO AREIA BRANCASão Paulo (SP)
- CONSORCIO ESTALEIRO PARAGUACUSão Paulo (SP)
- CONSORCIO SERVENG/CONSTREMAC - OUTEIRINHOSSão Paulo (SP)
- CONSORCIO NORTE-NOROESTE FLUMINENSESão Paulo (SP)
- CONSORCIO CETENCO - BRASILIA GUAIBASão Paulo (SP)
- CONSORCIO ESTALEIRO SJNSão Paulo (SP)
- CONSORCIO DNA DRAGAGEM PETCONSão Paulo (SP)
- CONSORCIO ANDRADE GUTIERREZ / OASSão Paulo (SP)
- CONSORCIO TCG - CORREGO ZAVUVUSSão Paulo (SP)
- CONSORCIO TCG - PARAGUAI - EGUASSão Paulo (SP)
- CONSORCIO CMR4/AUGUSTO VELLOSOSão Paulo (SP)
- CONSORCIO HIDROVIA TIETE PARANA - CHTPSão Paulo (SP)
- CONSORCIO TS - TIETESão Paulo (SP)
- CONSORCIO BARRAGEM RIO PARDOSão Paulo (SP)
- CONSORCIO DGFD - AGUAS ESPRAIADASSão Paulo (SP)
- CONSORCIO CANALIZA PAIMSão Paulo (SP)
- CONSORCIO BARRAGEM 3Itatiba (SP)
- CONSORCIO PONTE TRAVESSIA ISão Paulo (SP)
List limited to 125 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
- São Paulo0.0
- Brazil0.0
In São Paulo, the activity weighs less than in Brazil.
São Paulo's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Paulo 53.6% 67
- 2 Barueri 3.2% 4
- 3 Osasco 3.2% 4
- 4 Bauru 2.4% 3
- 5 Campinas 2.4% 3
- 6 General Salgado 2.4% 3
- 7 Santos 2.4% 3
- 8 Barrinha 1.6% 2
- 9 Itatiba 1.6% 2
- 10 Ribeirão Preto 1.6% 2
20 more cities
- 11 Santa Bárbara d'Oeste 2
- 12 Santo Anastácio 2
- 13 São Sebastião 2
- 14 Ilha Solteira 1
- 15 Americana 1
- 16 Araraquara 1
- 17 Araras 1
- 18 Arujá 1
- 19 Atibaia 1
- 20 Bariri 1
- 21 Campos do Jordão 1
- 22 Colômbia 1
- 23 Cubatão 1
- 24 Embu das Artes 1
- 25 Ilhabela 1
- 26 Itapetininga 1
- 27 Itapira 1
- 28 Itupeva 1
- 29 Jaú 1
- 30 Nova Odessa 1
Class 4291-0 in São Paulo
obras portuárias, marítimas e fluviais, by subclassClose to this: 4120-4/00 · Construção de edifícios, 34,618 companies in São Paulo.
What activity 4291-0/00 is
- As obras marítimas e fluviais, tais como: #- construção de instalações portuárias #- construção de portos e marinas #- construção de eclusas e canais de navegação (vias navegáveis) #- enrocamentos #- obras de dragagem #- aterro hidráulico #- barragens, represas e diques, exceto para energia elétrica
- A construção de emissários submarinos
- A instalação de cabos submarinos
Frequently asked questions
How many companies have main CNAE 4291-0/00 in São Paulo?
125 active companies have CNAE 4291-0/00 as their main activity in São Paulo, 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 São Paulo's cities has the most companies in this activity?
São Paulo, with 67, 53.6% 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 São Paulo.