CNAE 3321-0/00 · Rio Grande do Norte
Installation of industrial machinery and equipment in Rio Grande do Norte
375 active companies are headquartered in Rio Grande do Norte with this CNAE as their main activity. They represent 0.7% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 54,145
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 Norte
- 375
- 0.7% of Brazil's
- Of every 100 companies in Rio Grande do Norte
- 0.1
- do this activity
- Among Brazil's federative units
- 16th
- by companies in this activity
Active companies in Rio Grande do Norte
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 10- AEC TREINAMENTOS E SERVICOS LTDANatal (RN)
- MEC INOX SERVICOS E MONTAGENS LTDACaicó (RN)
- G AUTOMATION INDUSTRIAL LTDAGoianinha (RN)
- MC CONSULTORIA E SERVICOES LTDAMossoró (RN)
- POTIAR COMPRESSORES LTDANatal (RN)
- FS FABRICACAO E MONTAGENS METALICAS EM GERAL LTDAGoianinha (RN)
- RN FLEX SERVICOS LTDANatal (RN)
- HOMI SERVICOS E COMERCIO LTDAArez (RN)
- CAVALLARI PRESTACAO DE SERVICOS LTDAMossoró (RN)
- LOBO SOLUCOES INDUSTRIAIS LTDANatal (RN)
- ALMA WIND SERVICOS EOLICOS LTDAJoão Câmara (RN)
- JJF INSTALACAO E MANUTENCAO DE MAQUINAS LTDAMossoró (RN)
- HSO MONTAGENS E MANUTENCAO INDUSTRIAL LTDAMacaíba (RN)
- F P SERVICO E MANUTENCAO LTDAMacaíba (RN)
- AR PNEUMATICA LTDANatal (RN)
- L A EQUIPADORA LTDANatal (RN)
- SOLAR SISTEMAS FOTOVOLTAICOS LTDANatal (RN)
- CS COMERCIO E SERVICO DE EQUIPAMENTOS ELETRONICOS LTDAMossoró (RN)
- DALVES SERVICOS DE INSTAL E MANUT EQUIPAMENTOS LTDANatal (RN)
- K TECH LOG E METAL LTDANatal (RN)
- AQUASENSE SOLUCOES EM BIOMONITORAMENTO LTDAParnamirim (RN)
- TECH CLEAN SERVICOS E MANUTENCOES LTDANatal (RN)
- MEGAGENIUS TECNOLOGIA E AUTOMACAO LTDANatal (RN)
- PETRONIO MARCELINO DA SILVA LTDAMossoró (RN)
- BEL ENERGIA LTDANatal (RN)
- ALEXANDRE DE VASCONCELOS MONTEIROParnamirim (RN)
- E B DANTASRio do Fogo (RN)
- IRENILDO WAGNER DA SILVA MIGUELNatal (RN)
- JOSEMARIO DA SILVA BEZERRANatal (RN)
- L F DA SILVA COMERCIO E SERVICOSMossoró (RN)
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 Norte0.1
- Brazil0.2
In Rio Grande do Norte, the activity weighs less than in Brazil.
Rio Grande do Norte's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Natal 40.0% 150
- 2 Parnamirim 12.8% 48
- 3 Mossoró 12.5% 47
- 4 São Gonçalo do Amarante 3.7% 14
- 5 Areia Branca 2.7% 10
- 6 Extremoz 2.4% 9
- 7 São José de Mipibu 2.4% 9
- 8 Porto do Mangue 1.6% 6
- 9 Macaíba 1.6% 6
- 10 Caicó 1.3% 5
20 more cities
- 11 Ceará-Mirim 5
- 12 Assú 4
- 13 Nísia Floresta 4
- 14 Touros 4
- 15 Goianinha 3
- 16 João Câmara 3
- 17 Arez 2
- 18 Brejinho 2
- 19 Guamaré 2
- 20 Jardim de Piranhas 2
- 21 Jardim do Seridó 2
- 22 Pau dos Ferros 2
- 23 Pendências 2
- 24 Várzea 2
- 25 Vera Cruz 2
- 26 Rio do Fogo 1
- 27 São Miguel do Gostoso 1
- 28 Almino Afonso 1
- 29 Alto do Rodrigues 1
- 30 Baía Formosa 1
What activity 3321-0/00 is
- A instalação de aparelhos e instrumentos de medida, teste e controle e de equipamentos para controle de processos industriais
- A instalação de equipamentos e instrumentos ópticos
- A instalação de aparelhos e equipamentos de irradiação, eletromédicos e eletroterapêuticos
Frequently asked questions
How many companies have main CNAE 3321-0/00 in Rio Grande do Norte?
375 active companies have CNAE 3321-0/00 as their main activity in Rio Grande do Norte, according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.2 in Brazil.
Which of Rio Grande do Norte's cities has the most companies in this activity?
Natal, with 150, 40.0% 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 Norte.