CNAE 4321-5/00 · Rio Grande do Sul

Instalação e manutenção elétrica in Rio Grande do Sul

25,010 active companies are headquartered in Rio Grande do Sul with this CNAE as their main activity. They represent 7.6% 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 Rio Grande do Sul: 25,010; 7.6% of Brazil's
Of every 100 companies in Rio Grande do Sul: 1.5; do this activity
Among Brazil's federative units: 5th; 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 1 of 10

L & K TECNOLOGIA LTDACanoas (RS)
D. C. SECCO & CIA LTDAPasso Fundo (RS)
PAULO ADALBERTO FUCKS DA VEIGA JUNIOR LTDASanto Ângelo (RS)
TLP CP SERVICOS LTDAPorto Alegre (RS)
RAZAO INFORMATICA LTDAPasso Fundo (RS)
ASSERTEC SERVICOS E TECNOLOGIA LTDAFeliz (RS)
INSTALWATT INSTALACOES ELETRICAS LTDAPorto Alegre (RS)
MAURICIO CHIES LTDAPlanalto (RS)
DOLPHIN SOLUCOES EM ENGENHARIA LTDAGravataí (RS)
ASL INSTALACOES ELETRICAS LTDAViamão (RS)
LIDER EQUIPAMENTOS E ENERGIA SOLAR LTDACamaquã (RS)
MOTRIZ ELETRONICA E MOTORES MANUTENCOES LTDAGravataí (RS)
SKYCOMPANY INFRAESTRUTURA PARA TI LTDA.Canoas (RS)
IMPERIALTEC CONSTRUTORA E TECNOLOGIA LTDAGravataí (RS)
RM INSTALACAO E MANUTENCAO DE ENERGIA SOLAR LTDA.Tenente Portela (RS)
JOSE EPAMOCENO RODRIGUES CENTENO LTDACamaquã (RS)
WELLE SOLUCOES TECNICAS LTDAGramado (RS)
PRIMEGRID ENERGIA LTDATerra de Areia (RS)
FELIPELETRONICO LTDACachoeirinha (RS)
CMG SERVICOS DE INSTALACAO ELETRICA LTDAPasso Fundo (RS)
CRIZEL ENGENHARIA ELETRICA LTDARio Grande (RS)
TFP MONITORAMENTO INTELIGENTE LTDAPorto Alegre (RS)
BRANCO SOLUCOES LTDAErechim (RS)
C DE MELO BORBA LTDASanto Antônio da Patrulha (RS)
MCP CONSTRUCOES E MANUTENCAO EM GERAL LTDAGravataí (RS)
KUNDE PROJETOS E INSTALACAO ELETRICA LTDAPelotas (RS)
SOLAXIS ENGENHARIA E ENERGIA SOLAR LTDAPalmeira das Missões (RS)
BIOENERGIA SOLUCOES EM ENERGIA LTDASanta Rosa (RS)
TRIFASE ENGENHARIA E PROJETOS LTDABento Gonçalves (RS)
ENERGY TCHE - MANUTENCAO E INSTALACAO DE ENERGIA SOLAR E COMERCIO DE MATERIAS ELETRICOS LTDAParobé (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 Sul1.5
Brazil1.2

In Rio Grande do Sul, the activity weighs 1.2 times 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 11.8% 2,954
2 Caxias do Sul 5.1% 1,276
3 Canoas 3.6% 893
4 Pelotas 3.1% 774
5 Gravataí 2.8% 701
6 Novo Hamburgo 2.7% 673
7 São Leopoldo 2.5% 630
8 Passo Fundo 2.4% 589
9 Santa Maria 2.3% 586
10 Viamão 2.2% 542

20 more cities

11 Alvorada 434
12 Santa Cruz do Sul 410
13 Bento Gonçalves 400
14 Erechim 362
15 Sapucaia do Sul 347
16 Lajeado 342
17 Cachoeirinha 323
18 Rio Grande 291
19 Capão da Canoa 266
20 Ijuí 255
21 Santa Rosa 224
22 Sapiranga 219
23 Campo Bom 213
24 Farroupilha 210
25 Canela 200
26 Santo Ângelo 196
27 Guaíba 195
28 Bagé 185
29 Esteio 180
30 Montenegro 176

Class 4321-5 in Rio Grande do Sul

instalações elétricas, by subclass

Close to this: 4322-3/01 · Instalações hidráulicas, sanitárias e de gás, 3,197 companies in Rio Grande do Sul.

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 Rio Grande do Sul?

25,010 active companies have CNAE 4321-5/00 as their main activity in Rio Grande do Sul, according to the Receita Federal's October 2026 publication. That is 1.5 of every 100 companies there, against 1.2 in Brazil.

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

Porto Alegre, with 2,954, 11.8% 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.