CNAE 4321-5/00 · Alagoas
Instalação e manutenção elétrica in Alagoas
2,474 active companies are headquartered in Alagoas with this CNAE as their main activity. They represent 0.8% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 328,370
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 Alagoas
- 2,474
- 0.8% of Brazil's
- Of every 100 companies in Alagoas
- 1.1
- do this activity
- Among Brazil's federative units
- 20th
- by companies in this activity
Active companies in Alagoas
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- ACENDER ENGENHARIA LTDA EM RECUPERACAO JUDICIALMaceió (AL)
- LHT ENERGIA LTDAMaceió (AL)
- CAD SOLUCOES EM ENGENHARIA LTDAMaceió (AL)
- MAHINA SOLUTIONS EM ILUMINACOES LTDAMaceió (AL)
- MN ENERGY LTDADelmiro Gouveia (AL)
- SERVICOS DE INSTALACOES E MANUTENCOES ELETRICAS LTDAMaceió (AL)
- GAMMA SOLUCOES LTDASão Luís do Quitunde (AL)
- LUMENS SOLUCOES EM ILUMINACAO LTDAMaceió (AL)
- AGRESTE ENGENHARIA SERVICOS E LOCACOES LTDAArapiraca (AL)
- VLS ENGENHARIA LTDAArapiraca (AL)
- BITCOM TECNOLOGIA LTDAMaceió (AL)
- ELETRON ENGENHARIA ELETRICA E CALDEIRARIA LTDACoruripe (AL)
- TERRASOL LTDAMaceió (AL)
- SOLAR DELGADO LTDAInhapi (AL)
- ARAKEN SOLAR LTDAArapiraca (AL)
- MODESTO SERVICOS E MANUTENCAO ELETRICA LTDAMaceió (AL)
- SOS ELETROTEC - SERVICOS ELETRICOS LTDAMaceió (AL)
- KD SOLUCOES EM ENGENHARIA ELETRICA LTDACapela (AL)
- LPF ENGENHARIA LTDAMaceió (AL)
- SOLUCOES ELETRICA & HIDRAULICA LTDAMaceió (AL)
- HNC TELECOM SERVICOS DE TELECOMUNICACOES LTDAMaceió (AL)
- PREVENERGY ENERGIA LTDAMaceió (AL)
- RESOLVE ENERGIA LTDAMaceió (AL)
- MAIS ENERGIA SOLAR MCZ LTDAMaceió (AL)
- CONNECT PROJETOS E INSTALACOES ELETRICAS LTDAMaceió (AL)
- ALVES E MELO SERVICOS DE INSTALACOES E CONSTRUCOES LTDAMaceió (AL)
- ANTONIO DA SILVA SERVICOS LTDAMaceió (AL)
- FJ ENGENHARIA ELETRICA LTDAMaragogi (AL)
- VOLTTZ SOLUCOES FOTOVOLTAICAS LTDAPenedo (AL)
- CGC MANUTENCAO E SERVICOS ELETRICOS LTDAMaceió (AL)
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
- Alagoas1.1
- Brazil1.2
In Alagoas, the activity weighs what it does in Brazil.
Alagoas's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Maceió 53.5% 1,323
- 2 Arapiraca 10.3% 254
- 3 Rio Largo 3.4% 83
- 4 Marechal Deodoro 2.3% 58
- 5 São Miguel dos Campos 2.2% 55
- 6 Penedo 1.8% 45
- 7 Palmeira dos Índios 1.6% 40
- 8 Delmiro Gouveia 1.6% 39
- 9 Satuba 1.4% 35
- 10 União dos Palmares 1.3% 32
20 more cities
- 11 Coruripe 26
- 12 Maragogi 25
- 13 Santana do Ipanema 21
- 14 Teotônio Vilela 20
- 15 Barra de São Miguel 19
- 16 Pilar 19
- 17 Paripueira 16
- 18 Boca da Mata 13
- 19 Campo Alegre 13
- 20 Passo de Camaragibe 13
- 21 Murici 12
- 22 Porto Calvo 12
- 23 Porto de Pedras 12
- 24 Viçosa 12
- 25 Atalaia 11
- 26 Barra de Santo Antônio 11
- 27 Taquarana 11
- 28 Junqueiro 10
- 29 São Luís do Quitunde 10
- 30 Batalha 9
Class 4321-5 in Alagoas
instalações elétricas, by subclassClose to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 206 companies in Alagoas.
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 Alagoas?
2,474 active companies have CNAE 4321-5/00 as their main activity in Alagoas, according to the Receita Federal's October 2026 publication. That is 1.1 of every 100 companies there, against 1.2 in Brazil.
Which of Alagoas's cities has the most companies in this activity?
Maceió, with 1,323, 53.5% 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 Alagoas.