CNAE 8599-6/05 · Piauí
Cursos preparatórios para concursos in Piauí
281 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 31,965
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
- 281
- 0.9% of Brazil's
- Of every 100 companies in Piauí
- 0.1
- do this activity
- Among Brazil's federative units
- 22nd
- 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 1 of 10- INSTITUTO PREMIUM LTDATeresina (PI)
- SEIKO EDUCACIONAL LTDATeresina (PI)
- CEPI - CENTRO DE ENSINO DO PIAUI LTDAPiripiri (PI)
- CONCURSE - CURSOS PREPARATORIOS LTDAParnaíba (PI)
- EMPRESA ESPECIALIZADA EM ESTUDOS E CURSOS ONLINE LTDATeresina (PI)
- A C SOBRINHO TEIXEIRA ENSINO E TRANSPORTE DE PASSAGEIROS LTDATeresina (PI)
- D & V INSTITUTO EDUCACIONAL LTDATeresina (PI)
- INSTITUTO EDUCACIONAL REALIZAR LTDATeresina (PI)
- FUTURO CURSOS EDUCACIONAIS LTDATeresina (PI)
- L & D EMPREENDIMENTOS EDUCACIONAIS LTDATeresina (PI)
- BESTMEDIC CURSOS PREPARATORIOS PARA CONCURSOS LTDATeresina (PI)
- PRE ENEM BRILHANTES LTDATeresina (PI)
- INSTITUTO DE ENSINO E CULTURA KRAIESKI IECK LTDATeresina (PI)
- CURSO TEXTO EM PROSA LTDAParnaíba (PI)
- INSTITUTO MAPEANDO DE ENSINO LTDAPiripiri (PI)
- IN DUBIO PRO CURSOS LTDAFloriano (PI)
- EJAP CURSOS LTDASão Raimundo Nonato (PI)
- CURSO DE REDACAO PROFESSOR ROGI LTDADemerval Lobão (PI)
- CARVALHO ROSA & CIA LTDATeresina (PI)
- CAVALCANTE DE CARVALHO SERVICOS MEDICOS LTDAOeiras (PI)
- CENTRO DE ENSINO IMPACTO LTDAFloriano (PI)
- EQUACAO CERTA LTDATeresina (PI)
- F L CURSOS PREPARATORIOS PARA CONCURSOS LTDATeresina (PI)
- IAT - INSTITUTO DE APRENDIZAGEM DE TERESINA LTDATeresina (PI)
- AVANCE ONLINE CURSOS E PREPARATORIOS LTDATeresina (PI)
- AKADEMIA CURSOS E PREPARATORIO LTDATeresina (PI)
- JR CURSO PREPARATORIO LTDATeresina (PI)
- A F R PORTELA LTDAJosé de Freitas (PI)
- MOURA & CAMPELO LTDASão João do Piauí (PI)
- MENDES ALVES E CIA EDUCACIONAL LTDATeresina (PI)
List limited to 281 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
- Piauí0.1
- Brazil0.1
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 64.1% 180
- 2 Parnaíba 7.5% 21
- 3 Floriano 3.2% 9
- 4 Oeiras 1.8% 5
- 5 Picos 1.8% 5
- 6 Amarante 1.1% 3
- 7 Batalha 1.1% 3
- 8 Bom Jesus 1.1% 3
- 9 São Raimundo Nonato 1.1% 3
- 10 Simplício Mendes 1.1% 3
20 more cities
- 11 Campo Maior 2
- 12 Francisco Santos 2
- 13 Guadalupe 2
- 14 José de Freitas 2
- 15 Paulistana 2
- 16 Piripiri 2
- 17 São João do Piauí 2
- 18 Uruçuí 2
- 19 Acauã 1
- 20 Alvorada do Gurguéia 1
- 21 Assunção do Piauí 1
- 22 Bela Vista do Piauí 1
- 23 Morro do Chapéu do Piauí 1
- 24 Nossa Senhora de Nazaré 1
- 25 São Gonçalo do Gurguéia 1
- 26 São João do Arraial 1
- 27 Água Branca 1
- 28 Altos 1
- 29 Barras 1
- 30 Canto do Buriti 1
Class 8599-6 in Piauí
atividades de ensino não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 8599-6/01 Formação de condutores | 152 |
| 8599-6/02 Cursos de pilotagem | 4 |
| 8599-6/03 Treinamento em informática | 394 |
| 8599-6/04 Treinamento em desenvolvimento profissional e gerencial | 2,085 |
| 8599-6/05 Cursos preparatórios para concursos · this one | 281 |
| 8599-6/99 Outras atividades de ensino não especificadas anteriormente | 2,402 |
What activity 8599-6/05 is
- As atividades dos cursos preparatórios para concursos em geral
Frequently asked questions
How many companies have main CNAE 8599-6/05 in Piauí?
281 active companies have CNAE 8599-6/05 as their main activity in Piauí, according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.1 in Brazil.
Which of Piauí's cities has the most companies in this activity?
Teresina, with 180, 64.1% 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.