CNAE 7112-0/00 · Piauí

Engineering services in Piauí

1,428 active companies are headquartered in Piauí with this CNAE as their main activity. They represent 0.9% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 158,657

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 Piauí: 1,428; 0.9% of Brazil's
Of every 100 companies in Piauí: 0.6; do this activity
Among Brazil's federative units: 20th; by companies in this activity

Active companies in Piauí

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 9 of 10

JW ENGENHARIA LTDATeresina (PI)
TOP ENGENHARIA E SEVICOS LTDATeresina (PI)
B1 ENGENHARIA LTDATeresina (PI)
AR ARQUITETURA E ENGENHARIA LTDAPadre Marcos (PI)
ROLINDAY CONSTRUCOES LTDATeresina (PI)
ATRIO ENGENHARIA LTDATeresina (PI)
PROJETTI SOLUCOES EM ENGENHARIA LTDATeresina (PI)
JUBAI CONSTRUTORA LTDAOeiras (PI)
WATTS CONSULTORIA E ENERGIA LTDABarras (PI)
LEMOS ENERGIA LTDATeresina (PI)
C B F DA SILVA ENGENHARIA LTDAParnaíba (PI)
J SALUSTIANO & I MOURA LTDAPicos (PI)
FORTANT ENGENHARIA LTDASão João do Piauí (PI)
SODELL ENERGIA LTDABom Jesus (PI)
MATOS & REIS SERVICOS DE ENGENHARIA LTDATeresina (PI)
BRITO & RODRIGUES EMPREENDIMENTOS LTDASebastião Leal (PI)
AROEIRA CONSTRUCOES LTDACorrente (PI)
ARAUJO LOCACOES E SERVICOS LTDACaridade do Piauí (PI)
ARTLUK ENGENHARIA LTDATeresina (PI)
GLOBAL SOLUCOES E EMPREENDIMENTOS LTDACapitão de Campos (PI)
M PINHEIRO ENGENHARIA LTDAInhuma (PI)
R COELHO CONSTRUTORA LTDASão Francisco de Assis do Piauí (PI)
MANE CHICO CONSTRUTORA, IMOBILIARIA E SERVICOS LTDASão Raimundo Nonato (PI)
CONSTRUTORA R SOUSA LTDATeresina (PI)
C J PROJETO, CONSTRUCAO E SERVICOS LTDATeresina (PI)
M C DA SILVEIRA NETO LTDATeresina (PI)
LOCALTOS CONSTRUCOES E LOCACOES DE VEICULOS LTDAAltos (PI)
L CARVALHO ENGENHARIA LTDASão João do Piauí (PI)
METROPOLITANA CONSTRUCOES E SERVICOS LTDAParnaíba (PI)
J B MOURA CONSTRUCOES LTDASão João do Piauí (PI)

List limited to 300 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

Piauí0.6
Brazil0.6

In Piauí, the activity weighs 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 56.2% 803
2 Parnaíba 5.1% 73
3 Floriano 4.2% 60
4 Picos 2.3% 33
5 Campo Maior 2.0% 28
6 São Raimundo Nonato 1.5% 21
7 Altos 1.3% 19
8 Piripiri 1.3% 19
9 Oeiras 1.1% 16
10 Barras 0.9% 13

20 more cities

Class 7112-0 in Piauí

serviços de engenharia, by subclass

Close to this: 7111-1/00 · Architectural services, 264 companies in Piauí.

What activity 7112-0/00 is

Os serviços técnicos de engenharia, como a elaboração e gestão de projetos e os serviços de inspeção técnica nas seguintes áreas: #- engenharia civil, hidráulica e de tráfego #- engenharia elétrica, eletrônica, de minas, química, mecânica, industrial, de sistemas e de segurança, agrária, etc. #- engenharia ambiental, engenharia acústica, etc.
A supervisão de obras, controle de materiais e serviços similares
A supervisão de contratos de execução de obras

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 7112-0/00 in Piauí?

1,428 active companies have CNAE 7112-0/00 as their main activity in Piauí, according to the Receita Federal's October 2026 publication. That is 0.6 of every 100 companies there, against 0.6 in Brazil.

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

Teresina, with 803, 56.2% 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 Piauí.