CNAE 4321-5/00 · Manaus (AM)
Instalação e manutenção elétrica in Manaus (AM)
2,740 active companies are headquartered in Manaus (AM) 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
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 Manaus (AM)
- 2,740
- 0.8% of Brazil's
- Of every 100 companies in Manaus (AM)
- 1.3
- do this activity
- Among Amazonas's cities
- 1st
- by companies in this activity
Active companies in Manaus (AM)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- NORTE TECH SERVICOS EM ENERGIA LTDAManaus (AM)
- RIO AMAZONAS ENGENHARIA E PROJETOS LTDAManaus (AM)
- B B COMERCIO E INSTALACAO DE EQUIPAMENTOS ELETRICOS LTDAManaus (AM)
- MJ COMERCIO VAREJISTA DE GESSO LTDAManaus (AM)
- I3M ENGENHARIA LTDAManaus (AM)
- OLIMAG LTDAManaus (AM)
- NORTESERVICE SERVICOS NAVAIS E CIVIS LTDAManaus (AM)
- NEOPOWER LTDAManaus (AM)
- ARV ENGENHARIA LTDAManaus (AM)
- DEG SERVICOS ELETRICOS LTDAManaus (AM)
- EXACT COMERCIO E SERVICOS TECNICOS LTDAManaus (AM)
- EIRUNEPE CONSTRUCOES LTDAManaus (AM)
- IMOBIL SOLUCOES LTDAManaus (AM)
- AHP COMERCIO DE ALIMENTOS E REPRESENTACAO LTDAManaus (AM)
- R V INSTALACAO E MANUTENCAO ELETRICA LTDAManaus (AM)
- R J SERVICO DE INSTALACAO ELETRICA E HIDRAULICA LTDAManaus (AM)
- ANTONIO FERNANDES DE BRITO & CIA LTDAManaus (AM)
- KAIZEN INSTALACAO E MANUTENCAO ELETRICA LTDAManaus (AM)
- CM VOLT ENERGIA INTELIGENTE LTDAManaus (AM)
- A M P DA CUNHA LTDAManaus (AM)
- CM SERVICOS ADMINISTRATIVOS E MANUTENCAO DE EQUIPAMENTOS LTDAManaus (AM)
- R S FERNANDES DE OLIVEIRA LTDAManaus (AM)
- ANDRE LIMA DE SOUZA LTDAManaus (AM)
- SPAZIO - CONSTRUCOES E MONTAGENS LTDAManaus (AM)
- DATECS SOLUCOES INTEGRADAS LTDAManaus (AM)
- TEC MAO AMAZONAS LTDAManaus (AM)
- JV SERVICOS DE MANUTENCAO LTDAManaus (AM)
- GOMES CONSTRUCAO DE EDIFICIOS LTDAManaus (AM)
- T. H. DE B. A. TOLENTINO LTDAManaus (AM)
- OLIVEIRA INSTALACAO E MANUTENCAO DE ENERGIA RENOVAVEIS LTDAManaus (AM)
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
- Manaus (AM)1.3
- Amazonas1.2
- Brazil1.2
In Manaus (AM), the activity weighs what it does in Brazil.
Amazonas's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Manaus 85.5% 2,740
- 2 Itacoatiara 1.5% 49
- 3 Parintins 1.4% 46
- 4 Manacapuru 1.3% 43
- 5 Iranduba 1.1% 36
- 6 Humaitá 0.8% 25
- 7 Tefé 0.6% 19
- 8 Presidente Figueiredo 0.6% 19
- 9 Tabatinga 0.5% 16
- 10 Coari 0.5% 15
20 more cities
- 11 Maués 14
- 12 Autazes 12
- 13 Rio Preto da Eva 12
- 14 Boca do Acre 11
- 15 Careiro 9
- 16 Manicoré 9
- 17 São Gabriel da Cachoeira 8
- 18 Borba 7
- 19 Carauari 7
- 20 Barcelos 6
- 21 Novo Airão 5
- 22 Anori 5
- 23 Barreirinha 5
- 24 Benjamin Constant 5
- 25 Eirunepé 5
- 26 Nhamundá 5
- 27 Silves 5
- 28 Itapiranga 4
- 29 Lábrea 4
- 30 Nova Olinda do Norte 4
Class 4321-5 in Manaus (AM)
instalações elétricas, by subclassClose to this: 8020-0/01 · Atividades de monitoramento de sistemas de segurança eletrônico, 213 companies in Manaus (AM).
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 Manaus (AM)?
2,740 active companies have CNAE 4321-5/00 as their main activity in Manaus (AM), according to the Receita Federal's October 2026 publication. That is 1.3 of every 100 companies there, against 1.2 in Brazil.
Which of Amazonas's cities has the most companies in this activity?
Manaus, with 2,740, 85.5% 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 Manaus (AM).