CNAE 4221-9/02 · Minas Gerais

Construction of electric power stations and distribution networks in Minas Gerais

271 active companies are headquartered in Minas Gerais with this CNAE as their main activity. They represent 11.5% of Brazil's active companies with the same main activity.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

The same activity in Brazil 2,355

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: 271; 11.5% of Brazil's
Of every 100 companies in Minas Gerais: 0.0; do this activity
Among Brazil's federative units: 1st; 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 2 of 10

GRAD21 CONSTRUCOES LTDAJuiz de Fora (MG)
SARBRAS ENGENHARIA LTDAPassa Quatro (MG)
VALE MONTE TERRAPLENAGENS E CONSTRUCOES LTDABelo Horizonte (MG)
SOLARFAST DO BRASIL LTDALagoa Santa (MG)
LUZ MINEIRA CONSTRUCOES ELETRICAS LTDACapelinha (MG)
LUX ENERGIA E PARTICIPACOES LTDAParacatu (MG)
POTENCIA SERVICOS E ENSAIOS ELETRICOS LTDABelo Horizonte (MG)
TENAZ CONSTRUCOES ELETRICAS LIMITADA.Betim (MG)
CSRT ENGENHARIA SPE LTDABelo Horizonte (MG)
SPE JF SERVICOS DE ENERGIA ELETRICA LTDAJuiz de Fora (MG)
CR ENERGY SOLUCOES ENERGETICAS LTDAPatos de Minas (MG)
CORTE REAL SOLUCOES ELETRICAS LTDAPatos de Minas (MG)
SEF ENERGIA LTDABelo Horizonte (MG)
EDUARDO RAYMUNDO DE OLIVEIRA & CIA LTDAViçosa (MG)
PROJETEC CONSTRUCOES ELETRICAS LTDAPatrocínio (MG)
VETORIAL-CONSTRUCOES E PROJETOS ELETRICOS LTDAAraxá (MG)
ATHENA ENERGIA E EMPREENDIMENTOS IMOBILIARIOS LTDABom Sucesso (MG)
ELETROCAMP CONSTRUCOES ELETRICAS E CIVIS LTDAPará de Minas (MG)
BRINFRA SOLUCOES EM INFRAESTRUTURA LTDANova Lima (MG)
UFV JACUTINGA - SPE LTDABelo Horizonte (MG)
NEWPOWER SERVICOS, CONSTRUCOES E INFRAESTRUTURA LTDABelo Horizonte (MG)
EMPREENDER LTDACaratinga (MG)
MINAS VERDE SPE LTDADivinópolis (MG)
CONSTRUTORA BRASILEIRA DE ENGENHARIA LTDABelo Horizonte (MG)
LIX SERVICE AMBIENTAL E CONSTRUCOES LTDAPassos (MG)
CSC CONSTRUTORA SIQUEIRA CARDOSO LTDAPassos (MG)
CEMINAS CONSTRUCOES ELETRICAS LTDAContagem (MG)
RAZAO CONSTRUCOES ELETRICAS LTDAAraxá (MG)
ELETROCOM SERVICOS LTDAParacatu (MG)
PROJECEL ENGENHARIA LTDATeófilo Otoni (MG)

List limited to 271 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 Gerais0.0
Brazil0.0

In Minas Gerais, the activity weighs 1.1 times 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 26.2% 71
2 Contagem 5.9% 16
3 Divinópolis 4.1% 11
4 Uberlândia 3.7% 10
5 Montes Claros 3.3% 9
6 Janaúba 3.0% 8
7 Varginha 2.6% 7
8 Governador Valadares 2.2% 6
9 Araxá 1.8% 5
10 Juiz de Fora 1.8% 5

20 more cities

11 Paracatu 5
12 Passos 5
13 Patos de Minas 5
14 Unaí 4
15 Três Marias 3
16 Betim 3
17 Campo Belo 3
18 Inhapim 3
19 João Pinheiro 3
20 Lagoa Santa 3
21 Nova Lima 3
22 Patrocínio 3
23 Pirapora 3
24 Sete Lagoas 3
25 Uberaba 3
26 São José da Barra 2
27 Alpinópolis 2
28 Carangola 2
29 Caratinga 2
30 Guaxupé 2

Class 4221-9 in Minas Gerais

obras para geração e distribuição de energia elétrica e para telecomunicações, by subclass

Subclass	Active
4221-9/01 Construction of dams and reservoirs for electric power generation	22
4221-9/02 Construction of electric power stations and distribution networks · this one	271
4221-9/03 Maintenance of electric power distribution networks	149
4221-9/04 Construction of telecommunication stations and networks	133
4221-9/05 Maintenance of telecommunication stations and networks	160

What activity 4221-9/02 is

A construção de usinas, estações e subestações hidrelétricas, eólicas, nucleares, termoelétricas, etc.
A construção de redes de transmissão e distribuição de energia elétrica, inclusive o serviço de eletrificação rural
A construção de redes de eletrificação para ferrovias e metropolitanos

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4221-9/02 in Minas Gerais?

271 active companies have CNAE 4221-9/02 as their main activity in Minas Gerais, according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.

Which of Minas Gerais's cities has the most companies in this activity?

Belo Horizonte, with 71, 26.2% 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.