CNAE 4321-5/00 · Juiz de Fora (MG)

Instalação e manutenção elétrica in Juiz de Fora (MG)

1,054 active companies are headquartered in Juiz de Fora (MG) with this CNAE as their main activity. They represent 0.3% 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 · 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 Juiz de Fora (MG): 1,054; 0.3% of Brazil's
Of every 100 companies in Juiz de Fora (MG): 1.2; do this activity
Among Minas Gerais's cities: 4th; by companies in this activity

Active companies in Juiz de Fora (MG)

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

SERCOM MONTAGENS ELETRICAS LTDAJuiz de Fora (MG)
M E ENERGIA LTDAJuiz de Fora (MG)
INSTALADORA NONDAS LTDAJuiz de Fora (MG)
MMI CONSTRUCAO SERVICOS E COMERCIO LTDAJuiz de Fora (MG)
LUCRO SOLAR ENERGIA RENOVAVEL LTDAJuiz de Fora (MG)
DAMATA SISTEMA DE ENERGIA SOLAR LTDAJuiz de Fora (MG)
M.A.M PISOS INDUSTRIAIS LTDAJuiz de Fora (MG)
JF SOLARES LTDAJuiz de Fora (MG)
SECULLUM SEGURANCA ELETRONICA LTDAJuiz de Fora (MG)
AFL MONTAGENS ELETRICAS LTDAJuiz de Fora (MG)
PREMIUM INSTALACOES E MONTAGENS LTDAJuiz de Fora (MG)
MERILIMPY MANUTENCAO RESIDENCIAL E COMERCIAL LTDAJuiz de Fora (MG)
ANDRADE ELETRO, HIDRAULICA E SERVICOS LTDAJuiz de Fora (MG)
ENGEFALCO ENGENHARIA & PROJETOS LTDAJuiz de Fora (MG)
N & A ELETRICA LTDAJuiz de Fora (MG)
EXCEL SOLUCOES LTDAJuiz de Fora (MG)
FAST CHARGING LTDA.Juiz de Fora (MG)
CALVETE EMPREENDIMENTOS LTDAJuiz de Fora (MG)
A NOVA ELETRONICA JUIZ DE FORA LTDAJuiz de Fora (MG)
ASTRAL NOVA ELETRONICA LTDAJuiz de Fora (MG)
RMT MONTAGENS E INSTALACOES LTDAJuiz de Fora (MG)
PROCOPIO SOLUCOES LTDAJuiz de Fora (MG)
M & L CONSTRUCOES ENERGIA SOLAR LTDAJuiz de Fora (MG)
UNIQUE ENGENHARIA E SERVICOS ELETRICOS LTDAJuiz de Fora (MG)
MORAES E SILVA MANUTENCAO INDUSTRIAL LTDAJuiz de Fora (MG)
TAS AUTOMACAO E MANUTENCAO INDUSTRIAL LTDAJuiz de Fora (MG)
QUALIELT AUTOMACAO INDUSTRIAL LTDAJuiz de Fora (MG)
ENERJI MONTAGENS ELETRICAS LTDAJuiz de Fora (MG)
WM INSTALACOES LTDAJuiz de Fora (MG)
HICOELE SERVICOS HIDRAULICOS CONSTRUCAO E ELETRICOS LTDAJuiz de Fora (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

Juiz de Fora (MG)1.2
Minas Gerais1.2
Brazil1.2

In Juiz de Fora (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 Juiz de Fora (MG)

instalações elétricas, by subclass

Close to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 161 companies in Juiz de Fora (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

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4321-5/00 in Juiz de Fora (MG)?

1,054 active companies have CNAE 4321-5/00 as their main activity in Juiz de Fora (MG), 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 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 Juiz de Fora (MG).