CNAE 4321-5/00 · Altos (PI)
Instalação e manutenção elétrica in Altos (PI)
41 active companies are headquartered in Altos (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 Altos (PI)
- 41
- less than 0.1% of Brazil's
- Of every 100 companies in Altos (PI)
- 1.6
- do this activity
- Among Piauí's cities
- 5th
- by companies in this activity
Active companies in Altos (PI)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 2- M R ELETRICA LTDAAltos (PI)
- L B DE A SILVA LTDAAltos (PI)
- ARAGAO & ARAGAO INSTALACOES LTDAAltos (PI)
- MULT EMPREENDIMENTOS LTDAAltos (PI)
- ALEMAO ELETRICA E CLIMATIZACAO LTDAAltos (PI)
- ALISSON SILVA DE SOUSAAltos (PI)
- THAIS ANGELICA SILVA SOUSAAltos (PI)
- J F DA SILVA SOBRINHOAltos (PI)
- ANTONIO FRANCISCO DE MACEDOAltos (PI)
- THACYO EVERSON GOMES DELFINOAltos (PI)
- MAURICIO MARIANO SILVAAltos (PI)
- HODENILIO CORREIA DA SILVAAltos (PI)
- SARA DIENNIFF GONCALVES MARIANOAltos (PI)
- FRANCISCO WALISON CARVALHO DE OLIVEIRAAltos (PI)
- M W P REISAltos (PI)
- HELTON SANTANA COSTA PAIVAAltos (PI)
- HIGOR FRANCIOMAR BORGES ARAUJOAltos (PI)
- JOSE MATHEUS SILVA GOMESAltos (PI)
- REMMO DA SILVA MARQUESAltos (PI)
- TEODORO PEREIRA DA SILVAAltos (PI)
- JONIELSON DE ABREU ARAUJOAltos (PI)
- FRANCISCO OSVALDO RODRIGUES ROCHAAltos (PI)
- ANTONIO LIMA DE SOUSAAltos (PI)
- HERMESSON HENRIQUE RODRIGUES DA COSTAAltos (PI)
- ANTONIO JOSE DA SILVAAltos (PI)
- SILVESTRE CAMPANHA DA SILVAAltos (PI)
- ARLAN RIBEIRO LEALAltos (PI)
- ANTONIO NETO RODRIGUES DOS SANTOSAltos (PI)
- FRANCISCO CLEVER BARBOZA SOUTOAltos (PI)
- MARIANE VERAS DE SOUSAAltos (PI)
List limited to 41 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
- Altos (PI)1.6
- Piauí1.0
- Brazil1.2
In Altos (PI), the activity weighs 1.3 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 49.3% 1,103
- 2 Parnaíba 6.8% 153
- 3 Floriano 3.6% 80
- 4 Picos 3.0% 68
- 5 Altos 1.8% 41
- 6 Campo Maior 1.7% 38
- 7 Piripiri 1.5% 34
- 8 José de Freitas 1.4% 31
- 9 Oeiras 1.3% 28
- 10 Bom Jesus 1.2% 27
20 more cities
- 11 Valença do Piauí 25
- 12 União 23
- 13 Corrente 22
- 14 São João do Piauí 21
- 15 São Raimundo Nonato 21
- 16 Uruçuí 20
- 17 Luís Correia 17
- 18 Esperantina 16
- 19 Paulistana 16
- 20 Amarante 14
- 21 Batalha 14
- 22 Água Branca 11
- 23 Piracuruca 11
- 24 Baixa Grande do Ribeiro 10
- 25 Barras 9
- 26 Curimatá 9
- 27 Jaicós 9
- 28 Simplício Mendes 9
- 29 Castelo do Piauí 8
- 30 Jatobá do Piauí 7
Class 4321-5 in Altos (PI)
instalações elétricas, by subclassClose to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 1 company in Altos (PI).
What activity 4321-5/00 is
- A instalação, alteração, manutenção e reparo em todos os tipos de construções de: #- sistemas de eletricidade (cabos de qualquer tensão, fiação, materiais elétricos, etc.) #- cabos para instalações telefônicas e de comunicações #- cabos para redes de informática e televisão a cabo, inclusive por fibra óptica #- antenas coletivas e parabólicas #- pára-raios #- sistemas de iluminação #- sistemas de alarme contra incêndio #- sistemas de alarme contra roubo #- sistemas de controle eletrônico e automação predial
- A instalação de equipamentos elétricos para aquecimento
Frequently asked questions
How many companies have main CNAE 4321-5/00 in Altos (PI)?
41 active companies have CNAE 4321-5/00 as their main activity in Altos (PI), according to the Receita Federal's October 2026 publication. That is 1.6 of every 100 companies there, against 1.2 in Brazil.
Which of Piauí's cities has the most companies in this activity?
Teresina, with 1,103, 49.3% 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 Altos (PI).