CNAE 4322-3/02 · Piauí
Installation and maintenance of central air conditioning, ventilation and refrigeration systems in Piauí
1,284 active companies are headquartered in Piauí with this CNAE as their main activity. They represent 1.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 109,877
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
- 1,284
- 1.2% of Brazil's
- Of every 100 companies in Piauí
- 0.6
- 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 2 of 10- A 4 SOLUCOES LTDATeresina (PI)
- I CARLOS DE SOUSA LTDASão João do Piauí (PI)
- SPLIT.COM ARCONDICIONADO LTDAParnaíba (PI)
- MUNDO HIDROELETRICO COMERCIO E SERVICOS LTDAPicos (PI)
- ENERGYSAN COMERCIO E SERVICOS LTDASão João do Piauí (PI)
- CONCEITO REFRIGERACAO LTDATeresina (PI)
- ATUAL REFRIGERACAO E CLIMATIZACAO LTDAPicos (PI)
- ISANIA M G DA PAIXAO LTDASão João do Piauí (PI)
- ALISON DENILSON DE SOUSA PINHO LTDATeresina (PI)
- K M SOARES REFRIGERACAO LTDATeresina (PI)
- RUBENS DE SA DUARTE LTDASebastião Leal (PI)
- O M DOS SANTOS LTDAAvelino Lopes (PI)
- WELLINGTON DE SOUSA DOS SANTOS LTDASão Raimundo Nonato (PI)
- S A PEIXOTO SERVICOS LTDATeresina (PI)
- BIOCLIMATICA COMERCIO & SERVICOS LTDATeresina (PI)
- TECFRIL REFRIGERACAO E PECAS LTDATeresina (PI)
- PARAISO REFRIGERACAO LIMPEZA PUBLICA E MATERIAIS DE CONSTRUCAO LTDATeresina (PI)
- HIGIENIZAR COMERCIO E SERVICOS DE REFRIGERACAO LTDATeresina (PI)
- PORTAL FRIO LTDATeresina (PI)
- R N DE LIMA LTDASão Raimundo Nonato (PI)
- M FEITOSA SOUZA LTDATeresina (PI)
- O DE OLIVEIRA LTDATeresina (PI)
- RBIOCLEAN LTDATeresina (PI)
- F MARTINS DE SOUSA LTDAUruçuí (PI)
- MAURI ALVES GUIMARAES LTDAUruçuí (PI)
- GELA AR REFRIGERACAO LTDATeresina (PI)
- CLIMATIZAR REFRIGERACAO URUCUI LTDAUruçuí (PI)
- MANUTEC SERVICOS DE MANUTENCAO INDUSTRIAL LTDATeresina (PI)
- ROSANY KELLENY DA SILVA MELAO LTDAValença do Piauí (PI)
- F M SOBREIRA OLIVEIRA LTDATeresina (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
- Brazil0.4
In Piauí, the activity weighs 1.4 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 52.8% 678
- 2 Parnaíba 5.9% 76
- 3 Picos 3.2% 41
- 4 Floriano 2.5% 32
- 5 Campo Maior 1.6% 20
- 6 Uruçuí 1.3% 17
- 7 Altos 1.2% 16
- 8 Bom Jesus 1.2% 16
- 9 Corrente 1.1% 14
- 10 São João do Piauí 1.1% 14
20 more cities
- 11 Piripiri 13
- 12 Oeiras 12
- 13 José de Freitas 11
- 14 São Raimundo Nonato 11
- 15 União 10
- 16 Baixa Grande do Ribeiro 10
- 17 Valença do Piauí 9
- 18 Barras 8
- 19 Demerval Lobão 7
- 20 Esperantina 7
- 21 Paulistana 7
- 22 Canto do Buriti 6
- 23 Regeneração 6
- 24 Capitão de Campos 5
- 25 Cristino Castro 5
- 26 Guadalupe 5
- 27 Piracuruca 5
- 28 Água Branca 4
- 29 Alto Longá 4
- 30 Beneditinos 4
Class 4322-3 in Piauí
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Plumbing, sanitary and gas installations | 264 |
| 4322-3/02 Installation and maintenance of central air conditioning, ventilation and refrigeration systems · this one | 1,284 |
| 4322-3/03 Installation of fire prevention systems | 28 |
What activity 4322-3/02 is
- A instalação, alteração, manutenção e reparo em todos os tipos de construções de:
- Sistemas de refrigeração central, quando não realizados pela unidade fabricante
- Sistemas de ventilação mecânica controlada, inclusive exaustores
Frequently asked questions
How many companies have main CNAE 4322-3/02 in Piauí?
1,284 active companies have CNAE 4322-3/02 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 0.4 in Brazil.
Which of Piauí's cities has the most companies in this activity?
Teresina, with 678, 52.8% 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.