CNAE 4329-1/05 · Minas Gerais

Tratamentos térmicos, acústicos ou de vibração in Minas Gerais

327 active companies are headquartered in Minas Gerais with this CNAE as their main activity. They represent 9.1% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 3,582

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: 327; 9.1% of Brazil's
Of every 100 companies in Minas Gerais: 0.0; 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

POUSO TERMICA ISOLAMENTOS TERMICOS E CONSTRUCAO CIVIL LTDAPouso Alegre (MG)
ETERA CONSTRUCOES E ISOLAMENTOS LTDABelo Horizonte (MG)
ADVANCED GREEN INSULATION DO BRASIL - LTDASanta Luzia (MG)
BRAISO - ISOLAMENTOS TERMO-ACUSTICOS LTDAContagem (MG)
FEMA ISOLACAO ELETRICA INDUSTRIAL LTDAContagem (MG)
EGEO PROJETOS ISOLAMENTOS TERMICOS, ANDAIMES E MONTAGEM INDUSTRIAL LTDABelo Horizonte (MG)
THERMOX ISOLAMENTOS TERMO ACUSTICO LTDABelo Horizonte (MG)
GM ISOLAMENTOS TERMICO ACUSTICO LIMITADAJaponvar (MG)
EGEO SOLUCOES LTDABelo Horizonte (MG)
CRC ENGENHARIA ACUSTICA LTDABelo Horizonte (MG)
THERM JET ISOLAMENTOS TERMICOS LTDAIbirité (MG)
JPI PRESTADORA DE SERVICOS INDUSTRIAIS LTDAPoços de Caldas (MG)
CLIMAT SERVICOS TECNICOS INDUSTRIAIS LTDABelo Horizonte (MG)
THERMOIND ISOLAMENTOS TERMICOS E ACUSTICO LTDARibeirão das Neves (MG)
ISCON ISOLAMENTOS E CONSTRUCOES LTDABelo Horizonte (MG)
RM REFRATARIOS LTDASarzedo (MG)
VR ISOLAMENTO TERMO ACUSTICO LTDAContagem (MG)
WM SOLUCOES INDUSTRIAIS LTDA.Coronel Fabriciano (MG)
AT&R ENGENHARIA LTDABelo Horizonte (MG)
SOLUTEC FRIGOR LTDAContagem (MG)
METRON ACUSTICA COMERCIO E SERVICOS LTDA.Belo Horizonte (MG)
JOIATERMICA ISOLAMENTOS TERMICOS LTDALeme do Prado (MG)
SDE - SANTOS DUMONT EMPREENDIMENTOS - PRESTACAO DE SERVICOS - TECNOLOGIA & SOLUCOES EM REFRATARIOS E MANUTENCAO LTDASantos Dumont (MG)
SERVITERM ISOLAMENTOS TERMICOS LTDASão Francisco de Sales (MG)
INSTALAR MONTAGEM E MANUTENCAO LTDAMontes Claros (MG)
LDA FORROS E ACABAMENTOS LTDAUberaba (MG)
MENOS BARULHO ISOLAMENTO ACUSTICO E TERMICO LTDABelo Horizonte (MG)
RIPISOL ISOLAMENTOS TERMICOS E ACUSTICO DO TRIANGULO MINEIRO LTDAUberaba (MG)
INDMEC MG LTDAContagem (MG)
P&P SOLUCOES INDUSTRIAIS LTDATurmalina (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 Gerais0.0
Brazil0.0

In Minas Gerais, the activity weighs less than 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 23.5% 77
2 Uberlândia 8.3% 27
3 Contagem 7.3% 24
4 Divinópolis 3.4% 11
5 Ipatinga 3.1% 10
6 Ribeirão das Neves 3.1% 10
7 Betim 2.8% 9
8 Coronel Fabriciano 2.8% 9
9 Governador Valadares 2.8% 9
10 Santa Luzia 2.8% 9

20 more cities

11 Juiz de Fora 8
12 Pouso Alegre 7
13 Ibirité 6
14 Uberaba 6
15 Montes Claros 5
16 Varginha 5
17 Vespasiano 5
18 Poços de Caldas 4
19 Sete Lagoas 4
20 Sarzedo 3
21 Formiga 3
22 Ituiutaba 3
23 Turmalina 3
24 Viçosa 3
25 Leme do Prado 2
26 Barbacena 2
27 Brumadinho 2
28 Conselheiro Lafaiete 2
29 Curvelo 2
30 Itajubá 2

Class 4329-1 in Minas Gerais

obras de instalações em construções não especificadas anteriormente, by subclass

Subclass	Active
4329-1/01 Instalação de painéis publicitários	975
4329-1/02 Instalação de equipamentos para orientação à navegação marítima fluvial e lacustre	26
4329-1/03 Instalação, manutenção e reparação de elevadores, escadas e esteiras rolantes	559
4329-1/04 Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos	358
4329-1/05 Tratamentos térmicos, acústicos ou de vibração · this one	327
4329-1/99 Outras obras de instalações em construções não especificadas anteriormente	200

What activity 4329-1/05 is

Os serviços de tratamento térmico, acústico ou de vibração

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4329-1/05 in Minas Gerais?

327 active companies have CNAE 4329-1/05 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 77, 23.5% 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.