CNAE 4120-4/00 · São João do Piauí (PI)

Construction of buildings in São João do Piauí (PI)

19 active companies are headquartered in São João do Piauí (PI) with this CNAE as their main activity. They represent less than 0.1% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 176,003 · Piauí 3,259

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 São João do Piauí (PI): 19; less than 0.1% of Brazil's
Of every 100 companies in São João do Piauí (PI): 1.3; do this activity
Among Piauí's cities: 23rd; by companies in this activity

Active companies in São João do Piauí (PI)

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

CONSTRUTORA & LOCACOES SANTOS LTDASão João do Piauí (PI)
RESIDENCIAL BECO DOS COQUEIROS SPE LTDASão João do Piauí (PI)
AVS ENGENHARIA E CONSTRUCAO CIVIL LTDASão João do Piauí (PI)
BRUNO DE SOUSA FRANCA LTDASão João do Piauí (PI)
ABR CONSTRUTORA E INCORPORADORA LTDASão João do Piauí (PI)
JH ENGENHARIA E PROJETOS LTDASão João do Piauí (PI)
MAIS OBRAS E SERVICOS LTDASão João do Piauí (PI)
CONSTRUTORA MARQUES & LOCACAO DE MAQUINAS E VEICULOS AUTOMOTORES LTDA MESão João do Piauí (PI)
FCO ENGENHARIA E CONSTRUCAO CIVIL LTDASão João do Piauí (PI)
S. A. CONSTRUCOES E SERVICOS LTDASão João do Piauí (PI)
COSTA RODRIGUES ENGENHARIA LTDASão João do Piauí (PI)
TATIANA PAULA DE SOUSA SANTOS LTDASão João do Piauí (PI)
TRANSERV LOCACAO, COLETAS E EVENTOS LTDASão João do Piauí (PI)
A F DE SOUSA CONSTRUCOESSão João do Piauí (PI)
JOSE PEREIRA DE MOURASão João do Piauí (PI)
EMANUELA LAVOR DE MIRANDASão João do Piauí (PI)
ALCEMIR B RODRIGUESSão João do Piauí (PI)
LUCAS ALBUQUERQUE DE SOUSASão João do Piauí (PI)
ROGERIO AQUINO LEALSão João do Piauí (PI)

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 João do Piauí (PI)1.3
Piauí1.5
Brazil0.7

In São João do Piauí (PI), the activity weighs 2.0 times what it does in Brazil.

Piauí's cities with the most companies in this activity

active companies and each city's share of the state

1 Teresina 42.5% 1,386
2 Parnaíba 5.8% 188
3 Picos 5.2% 168
4 São Raimundo Nonato 3.3% 109
5 Floriano 2.7% 88
6 Altos 2.0% 66
7 José de Freitas 1.7% 57
8 Oeiras 1.7% 55
9 Piripiri 1.6% 53
10 Bom Jesus 1.5% 50

20 more cities

11 Uruçuí 43
12 Barras 31
13 União 31
14 Pedro II 30
15 Água Branca 29
16 Campo Maior 29
17 Paulistana 27
18 Corrente 25
19 Demerval Lobão 25
20 Piracuruca 25
21 Valença do Piauí 24
22 Baixa Grande do Ribeiro 20
23 São João do Piauí 19
24 Anísio de Abreu 16
25 Batalha 16
26 Castelo do Piauí 15
27 Dirceu Arcoverde 15
28 Cocal 14
29 Guadalupe 14
30 Inhuma 13

Class 4120-4 in São João do Piauí (PI)

construção de edifícios, by subclass

Close to this: 4321-5/00 · Electrical installation and maintenance, 21 companies in São João do Piauí (PI).

What activity 4120-4/00 is

A construção de edifícios residenciais de qualquer tipo: #- casas e residências unifamiliares #- edifícios residenciais multifamiliares, incluindo edifícios de grande altura (arranha-céus)
A construção de edifícios comerciais de qualquer tipo: #- consultórios e clínicas médicas #- escolas #- escritórios comerciais #- hospitais #- hotéis, motéis e outros tipos de alojamento #- lojas, galerias e centros comerciais #- restaurantes e outros estabelecimentos similares #- shopping centers
A construção de edifícios destinados a outros usos específicos: #- armazéns e depósitos #- edifícios garagem, inclusive garagens subterrâneas #- edifícios para uso agropecuário #- estações para trens e metropolitanos #- estádios esportivos e quadras cobertas #- igrejas e outras construções para fins religiosos (templos) #- instalações para embarque e desembarque de passageiros (em aeroportos, rodoviárias, portos, etc.) #- penitenciárias e presídios #- postos de combustível

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4120-4/00 in São João do Piauí (PI)?

19 active companies have CNAE 4120-4/00 as their main activity in São João do Piauí (PI), according to the Receita Federal's October 2026 publication. That is 1.3 of every 100 companies there, against 0.7 in Brazil.

Which of Piauí's cities has the most companies in this activity?

Teresina, with 1,386, 42.5% 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 São João do Piauí (PI).