CNAE 8520-1/00 · Piauí
Ensino médio in Piauí
94 active companies are headquartered in Piauí with this CNAE as their main activity. They represent 2.5% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 3,712
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
- 94
- 2.5% of Brazil's
- Of every 100 companies in Piauí
- 0.0
- do this activity
- Among Brazil's federative units
- 12th
- 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 2 of 4- BASE E SABER EDUCACAO ENSINO LTDATeresina (PI)
- CPI SISTEMA DE ENSINO LTDATeresina (PI)
- INTELLECTUS VESTIBULARES LTDACampo Maior (PI)
- GRUPO SINTESE EDUCACIONAL S/SParnaíba (PI)
- INSTITUTO EDUCACIONAL EQUACAO CERTA LTDATeresina (PI)
- COLEGIO EQUACAO CERTA LTDATeresina (PI)
- EQC SISTEMA DE ENSINO LTDATeresina (PI)
- ORGANIZACAO EDUCACIONAL COLEGIO DEZ LTDAParnaíba (PI)
- COOPERATIVA DE TRABALHO EDUCACIONAL DE URUCUIUruçuí (PI)
- ESCOLA FILHOS E MAE LTDATeresina (PI)
- EDUCACIONAL RM LTDA.Picos (PI)
- FRANCA ESCOLA TECNICA LTDATeresina (PI)
- NUCLEO DE ENSINO MERITO D' MARTONNE LTDATeresina (PI)
- INSTITUTO OBJETIVO INFANTIL, FUNDAMENTAL E MEDIO II LTDATeresina (PI)
- OIKOS PROFESSORES ASSOCIADOS LTDATeresina (PI)
- COLEGIO DIOCESANO DE PARNAIBA II LTDAParnaíba (PI)
- F S SANTOS NETO LTDATeresina (PI)
- HERMANO R DE CARVALHO LTDATeresina (PI)
- SOCIEDADE EDUCACIONAL DO PIAUI S/S LTDATeresina (PI)
- B M M GARCIA LTDATeresina (PI)
- WSON LTDATeresina (PI)
- HUB EDUCACIONAL INOVE LTDATeresina (PI)
- RAIMUNDO NONATO SENA E CIA LTDATeresina (PI)
- EMPRESA EDUCACIONAL TERESINA LTDATeresina (PI)
- COOPERATIVA EDUCACIONAL SANTA MARIA DE PARNAIBAParnaíba (PI)
- COPERNICO SISTEMA DE ENSINO LTDATeresina (PI)
- COLEGIO FENIX LTDAAltos (PI)
- MUNICIPIO DE PAU D ARCO DO PIAUI - SECRETARIA MUNICIPAL DE EDUCACAOPau D'Arco do Piauí (PI)
- COOPERATIVA DE TRABALHO EDUCACIONAL E SOCIAL DE PEDRO IIPedro II (PI)
- CONSELHO ESCOLAR DA UNIDADE PROFESSOR MARIANO DA SILVA NETOFrancisco Santos (PI)
List limited to 94 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
- Piauí0.0
- Brazil0.0
In Piauí, the activity weighs 3.1 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 56.4% 53
- 2 Parnaíba 9.6% 9
- 3 Floriano 5.3% 5
- 4 Oeiras 2.1% 2
- 5 Pedro II 2.1% 2
- 6 Picos 2.1% 2
- 7 São João do Piauí 2.1% 2
- 8 Capitão Gervásio Oliveira 1.1% 1
- 9 Caraúbas do Piauí 1.1% 1
- 10 Currais 1.1% 1
16 more cities
- 11 Ribeira do Piauí 1
- 12 Sebastião Barros 1
- 13 Altos 1
- 14 Bom Jesus 1
- 15 Campo Maior 1
- 16 Canto do Buriti 1
- 17 Caracol 1
- 18 Castelo do Piauí 1
- 19 Cocal 1
- 20 Corrente 1
- 21 Cristalândia do Piauí 1
- 22 Francisco Santos 1
- 23 Guadalupe 1
- 24 Pau D'Arco do Piauí 1
- 25 Uruçuí 1
- 26 Bom Princípio do Piauí 1
What activity 8520-1/00 is
- As atividades de ensino médio de formação geral (ensino médio regular)
- Os serviços de educação especial no ensino médio
- As instituições que oferecem os cursos e exames supletivos no nível de conclusão do ensino médio da modalidade de ensino de educação de jovens e adultos, ministrados nos estabelecimentos de ensino médio
Frequently asked questions
How many companies have main CNAE 8520-1/00 in Piauí?
94 active companies have CNAE 8520-1/00 as their main activity in Piauí, 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 Piauí's cities has the most companies in this activity?
Teresina, with 53, 56.4% 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.