CNAE 4321-5/00 · Serro (MG)
Instalação e manutenção elétrica in Serro (MG)
26 active companies are headquartered in Serro (MG) 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
The same activity in Brazil 328,370 · Minas Gerais 33,982
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 Serro (MG)
- 26
- less than 0.1% of Brazil's
- Of every 100 companies in Serro (MG)
- 1.3
- do this activity
- Among Minas Gerais's cities
- 176th
- by companies in this activity
Active companies in Serro (MG)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- ENERGYHALL ELETRICA LTDASerro (MG)
- IGOR ANTUNES DA SILVA CUNHASerro (MG)
- EVANDRO GINO XAVIERSerro (MG)
- WESLEY JUNIO GUIMARAES PACHECOSerro (MG)
- JOSE GERALDO DE ARAUJO CORREIASerro (MG)
- JOSE EFIGENIO DOS SANTOSSerro (MG)
- ROOSIVELT CHAWHAN DE JESUS CARDOSOSerro (MG)
- ADELMO CESAR LIMA BRAGASerro (MG)
- JEFERSON MATEUS ROCHA SILVASerro (MG)
- MAGNO LUCIO DOS SANTOS CAMELOSerro (MG)
- RYAN VICTOR SANTOS DA LOMBASerro (MG)
- LUIZ HENRIQUE RIBEIRO FERREIRASerro (MG)
- WALDIR LUCIO BARBOSASerro (MG)
- MARINA FERREIRA NUNES SALEMESerro (MG)
- CLAUDIA DE SALES SOUZA CAMELOSerro (MG)
- VALDINEI APARECIDO PEREIRA DA LOMBASerro (MG)
- LEONARDO DA SILVASerro (MG)
- GRACIANO DOS SANTOS BRAGASerro (MG)
- ENIR AMARAL SALEMESerro (MG)
- EDUARDO AMARAL SALEMESerro (MG)
- ANTONIO FERNANDES DA SILVASerro (MG)
- MAGIR LORENA FELIXSerro (MG)
- EDILSSON LUIZ CORREIASerro (MG)
- PAULO GUSTAVO VAZ MOREIRASerro (MG)
- DAVI DE JESUS SILVASerro (MG)
- JOSE AFONSO DE SOUZASerro (MG)
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
- Serro (MG)1.3
- Minas Gerais1.2
- Brazil1.2
In Serro (MG), the activity weighs what it does in Brazil.
Minas Gerais's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Belo Horizonte 14.4% 4,900
- 2 Uberlândia 6.0% 2,050
- 3 Contagem 3.8% 1,284
- 4 Juiz de Fora 3.1% 1,054
- 5 Betim 2.5% 856
- 6 Montes Claros 2.5% 853
- 7 Uberaba 2.2% 741
- 8 Governador Valadares 1.9% 644
- 9 Divinópolis 1.7% 582
- 10 Ribeirão das Neves 1.7% 573
20 more cities
- 11 Ipatinga 522
- 12 Sete Lagoas 458
- 13 Santa Luzia 432
- 14 Poços de Caldas 423
- 15 Patos de Minas 399
- 16 Pouso Alegre 380
- 17 Ibirité 352
- 18 Varginha 324
- 19 Pará de Minas 288
- 20 Vespasiano 238
- 21 Sabará 236
- 22 Araguari 222
- 23 Araxá 222
- 24 Itaúna 215
- 25 Ituiutaba 208
- 26 Teófilo Otoni 199
- 27 Conselheiro Lafaiete 198
- 28 Paracatu 195
- 29 Itajubá 191
- 30 Nova Lima 189
Class 4321-5 in Serro (MG)
instalações elétricas, by subclassClose to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 1 company in Serro (MG).
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 Serro (MG)?
26 active companies have CNAE 4321-5/00 as their main activity in Serro (MG), 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 Minas Gerais's cities has the most companies in this activity?
Belo Horizonte, with 4,900, 14.4% 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 Serro (MG).