CNAE 7112-0/00 · São João do Piauí (PI)
Serviços de engenharia in São João do Piauí (PI)
13 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
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)
- 13
- less than 0.1% of Brazil's
- Of every 100 companies in São João do Piauí (PI)
- 0.9
- do this activity
- Among Piauí's cities
- 12th
- 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.- NUNES OLIVEIRA ENGENHARIA E CONSTRUCOES LTDASão João do Piauí (PI)
- FORTANT ENGENHARIA LTDASão João do Piauí (PI)
- L CARVALHO ENGENHARIA LTDASão João do Piauí (PI)
- J B MOURA CONSTRUCOES LTDASão João do Piauí (PI)
- ERICA E DE B CARVALHO LTDASão João do Piauí (PI)
- ERICO SOUZA DA SILVA LTDASão João do Piauí (PI)
- LEANDRO ALVES COELHO DE MACEDO LTDASão João do Piauí (PI)
- ROCHA ENGENHARIA LTDASão João do Piauí (PI)
- ISAQUE DE MATOS COELHO RODRIGUES LTDASão João do Piauí (PI)
- M A DE C LIMASão João do Piauí (PI)
- DAIRAN DE MOURA SILVASão João do Piauí (PI)
- R O DE SA ENGENHARIASão João do Piauí (PI)
- J B ROCHA SERVICOS DE ENGENHARIASão 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)0.9
- Piauí0.6
- Brazil0.6
In São João do Piauí (PI), the activity weighs 1.5 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 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
- 11 Bom Jesus 13
- 12 São João do Piauí 13
- 13 Valença do Piauí 11
- 14 Castelo do Piauí 10
- 15 Simplício Mendes 9
- 16 Uruçuí 9
- 17 Esperantina 8
- 18 Manoel Emídio 8
- 19 Paulistana 8
- 20 Corrente 7
- 21 Baixa Grande do Ribeiro 7
- 22 Piracuruca 6
- 23 Beneditinos 5
- 24 Canto do Buriti 5
- 25 Cocal 5
- 26 Curimatá 5
- 27 Demerval Lobão 5
- 28 Itaueira 5
- 29 Jaicós 5
- 30 Luzilândia 5
Class 7112-0 in São João do Piauí (PI)
serviços de engenharia, by subclassClose to this: 7111-1/00 · Serviços de arquitetura, 2 companies in São João do Piauí (PI).
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
Frequently asked questions
How many companies have main CNAE 7112-0/00 in São João do Piauí (PI)?
13 active companies have CNAE 7112-0/00 as their main activity in São João do Piauí (PI), according to the Receita Federal's October 2026 publication. That is 0.9 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 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).