CNAE 4321-5/00 · Minas Gerais

Instalação e manutenção elétrica in Minas Gerais

33,982 active companies are headquartered in Minas Gerais with this CNAE as their main activity. They represent 10.3% 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 Minas Gerais: 33,982; 10.3% of Brazil's
Of every 100 companies in Minas Gerais: 1.2; do this activity
Among Brazil's federative units: 2nd; by companies in this activity

Active companies in Minas Gerais

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10

ENGELMIG ENERGIA LTDA.Manhuaçu (MG)
CH ELETRICIDADE LTDAPirapora (MG)
RR SEGURANCA E INFORMATICA LTDAIturama (MG)
LOGIX'S ELETRICIDADE E AUTOMACAO SABelo Horizonte (MG)
PSO - PROJETOS E SOLUCOES OTIMIZADAS LTDAIpatinga (MG)
FRAN ELETROMECANICA LTDACongonhas (MG)
A & R COMERCIO E SERVICOS LTDABelo Horizonte (MG)
CAUE ENGENHARIA E SERVICOS LTDABelo Horizonte (MG)
MACHINE LTDAMontes Claros (MG)
SEED ENGENHARIA E SOLUCOES SUSTENTAVEIS LTDAGovernador Valadares (MG)
DHC SOLUCOES ELETRICAS LTDABarbacena (MG)
MEI MANUTENCAO ELETRICA E AUTOMACAO LTDAIpatinga (MG)
TS MEDIDORES E SERVICOS DE DISTRIBUICAO LTDABelo Horizonte (MG)
NEW ELETRIC SERVICOS BRASIL LTDAMatozinhos (MG)
GUIMARAES MULTISERVICOS ENGENHARIA LTDAPiranguinho (MG)
SCL CONSTRUTORA E ENERGIA LTDABelo Horizonte (MG)
CAMINHO DO SOL - ENERGIA SOLAR LTDAOuro Fino (MG)
H. M. SISTEMAS ELETRICOS LTDA.Varginha (MG)
NORTEC - NORTE ENERGIA E CONSTRUCOES LTDAEspinosa (MG)
PERIMETRAL MONTAGEM LTDASete Lagoas (MG)
SCL OBRAS & SOLUCOES LTDABelo Horizonte (MG)
SETTA ENGENHARIA LTDAPatos de Minas (MG)
FACILITAR SERVICOS LTDACaratinga (MG)
PROTOP CONSTRUCOES E PROJETOS LTDAGovernador Valadares (MG)
COALTECH COMERCIO E SERVICOS LTDA.Montes Claros (MG)
DATA PLUS ENGENHARIA LTDABelo Horizonte (MG)
ROMA ENERGIA LTDALavras (MG)
E-SOLARES SOLUCOES EM EFICIENCIA ENERGETICA LTDABelo Horizonte (MG)
HT CONSTRUTORA LTDABelo Horizonte (MG)
M.V.V.S INSTALACAO DE TV A CABO LTDABelo Horizonte (MG)

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

Minas Gerais1.2
Brazil1.2

In Minas Gerais, 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 Minas Gerais

instalações elétricas, by subclass

Close to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 4,585 companies in Minas Gerais.

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

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4321-5/00 in Minas Gerais?

33,982 active companies have CNAE 4321-5/00 as their main activity in Minas Gerais, according to the Receita Federal's October 2026 publication. That is 1.2 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 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 Minas Gerais.