CNAE 4322-3/02 · Rio Grande do Sul

Installation and maintenance of central air conditioning, ventilation and refrigeration systems in Rio Grande do Sul

6,796 active companies are headquartered in Rio Grande do Sul with this CNAE as their main activity. They represent 6.2% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 109,877

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 Rio Grande do Sul: 6,796; 6.2% of Brazil's
Of every 100 companies in Rio Grande do Sul: 0.4; do this activity
Among Brazil's federative units: 4th; by companies in this activity

Active companies in Rio Grande do Sul

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 10

LOPES SERVICOS DE INSTALACAO DE SISTEMAS DE ENERGIA SOLAR LTDACarazinho (RS)
DEOLO CLIMATIZACAO LTDALajeado (RS)
PERTILE ENGENHARIA E CLIMATIZACAO LTDACanoas (RS)
VERTICE CONSTRUTORA DE OBRAS LTDAGravataí (RS)
MAURO ULLMANN CLIMATIZACAO E REFRIGERACAO LTDA.Porto Alegre (RS)
ART REFRIGERACAO LTDATaquara (RS)
A. SCHROEDER PEREIRA AR CONDICIONADO LTDACanoas (RS)
MOREIRA REFRIGERACAO LTDACanoas (RS)
EJR ENGENHARIA LTDAPorto Alegre (RS)
MONTERMICA REFRIGERACAO E AR CONDICIONADO LTDAViamão (RS)
CLIMA E AR, FABRICACAO, MANUTENCAO E COMERCIO DE EQUIPAMENTOS DE REFRIGERACAO LTDANovo Hamburgo (RS)
PROJETAR ENGENHARIA LTDAPorto Alegre (RS)
GRJW CLIMATIZACAO E INSTALACOES ELETRICAS LTDABom Princípio (RS)
MILCLIMA REFRIGERACAO E CLIMATIZACAO LTDACanoas (RS)
ANA MARIA DA SILVA ALVES LTDACarazinho (RS)
PBE PROJETOS E SERVICOS EM CLIMATIZACAO LTDAPasso Fundo (RS)
A. COSSETIN MORI LTDAIjuí (RS)
C. A. ENGENHARIA LTDAPelotas (RS)
FRIGIMAK ASSISTENCIA TECNICA LTDACanoas (RS)
VIACLIMA AR CONDICIONADO E MONTAGEM INDUSTRIAL LTDAViamão (RS)
AAC CLIMATIZACAO LTDAPorto Alegre (RS)
DSF PROJETO E EXECUCAO LTDAPorto Alegre (RS)
DSF ENGENHARIA & CLIMATIZACAO LTDACanoas (RS)
ANDREAS ROOS & CIA LTDACachoeirinha (RS)
JOTEK INSTALADORA LTDAParobé (RS)
KLIFT SERVICOS DE CLIMATIZACAO LTDAPorto Alegre (RS)
GRM CLIMATIZACAO COMERCIO E INSTALACAO DE AR CONDICIONADO LTDACampo Bom (RS)
CRONOS CLIMATIZACAO LTDACachoeirinha (RS)
CLIM'AGRO AR CONDICIONADO LTDAEugênio de Castro (RS)
FELIPE KROTH COSSETIN LTDAIjuí (RS)

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

Rio Grande do Sul0.4
Brazil0.4

In Rio Grande do Sul, the activity weighs what it does in Brazil.

Rio Grande do Sul's cities with the most companies in this activity

active companies and each city's share of the state

1 Porto Alegre 13.3% 903
2 Canoas 4.9% 331
3 Gravataí 4.1% 279
4 Viamão 3.3% 224
5 Caxias do Sul 3.3% 223
6 Santa Maria 3.1% 212
7 Pelotas 2.7% 186
8 Alvorada 2.6% 179
9 Novo Hamburgo 2.5% 170
10 Cachoeirinha 2.4% 161

20 more cities

11 São Leopoldo 158
12 Passo Fundo 141
13 Sapucaia do Sul 112
14 Estância Velha 103
15 Guaíba 89
16 Santa Cruz do Sul 82
17 Capão da Canoa 82
18 Lajeado 79
19 Bento Gonçalves 71
20 Rio Grande 71
21 Erechim 66
22 Esteio 61
23 Uruguaiana 58
24 Santa Rosa 57
25 Campo Bom 53
26 Venâncio Aires 49
27 Bagé 47
28 Carazinho 46
29 Canela 45
30 Cachoeira do Sul 44

Class 4322-3 in Rio Grande do Sul

instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass

Subclass	Active
4322-3/01 Plumbing, sanitary and gas installations	3,197
4322-3/02 Installation and maintenance of central air conditioning, ventilation and refrigeration systems · this one	6,796
4322-3/03 Installation of fire prevention systems	829

Close to this: 2824-1/02 · Manufacture of air conditioning equipment for non-industrial use, 12 companies in Rio Grande do Sul.

What activity 4322-3/02 is

A instalação, alteração, manutenção e reparo em todos os tipos de construções de:
Sistemas de refrigeração central, quando não realizados pela unidade fabricante
Sistemas de ventilação mecânica controlada, inclusive exaustores

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4322-3/02 in Rio Grande do Sul?

6,796 active companies have CNAE 4322-3/02 as their main activity in Rio Grande do Sul, according to the Receita Federal's October 2026 publication. That is 0.4 of every 100 companies there, against 0.4 in Brazil.

Which of Rio Grande do Sul's cities has the most companies in this activity?

Porto Alegre, with 903, 13.3% 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 Rio Grande do Sul.