CNAE 3321-0/00 · Maranhão
Instalação de máquinas e equipamentos industriais in Maranhão
366 active companies are headquartered in Maranhão 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 Maranhão
- 366
- 0.7% of Brazil's
- Of every 100 companies in Maranhão
- 0.1
- do this activity
- Among Brazil's federative units
- 17th
- by companies in this activity
Active companies in Maranhão
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- MERIDIUS SOLUTIONS LTDASão Luís (MA)
- M K CENTER SERVICOS E COMERCIO LTDASão Luís (MA)
- A1 AUTOMACAO PREDIAL E INDUSTRIAL LTDASão Luís (MA)
- MAQMIX LTDASão Luís (MA)
- PRIME ENERGY TECH SOLUTIONS LTDABacabal (MA)
- F A DA C SILVA PRESTACAO DE SERVICOS LTDAAçailândia (MA)
- E S DE SOUZA PRESTACAO DE SERVICOS LTDAAçailândia (MA)
- R DA S MACIEL LTDACodó (MA)
- PROJETOS E ENERGIA SOLAR LTDAMirinzal (MA)
- MARFRAN SERVICOS INDUSTRIAIS LTDATimon (MA)
- LIBERTY EMPREENDIMENTOS LTDAImperatriz (MA)
- EMANI EMPRESA DE MANUTENCAO INDUSTRIAL LTDASão Luís (MA)
- MONTEC SERVICOS E MANUTENCAO LTDASão Luís (MA)
- ALEX CUTRIM SOARES LTDACajapió (MA)
- PRESTARE COMERCIO E SERVICOS LTDABalsas (MA)
- JP SERVICOS E COMERCIO LTDASão Luís (MA)
- GONCALVES & MULLER LTDABalsas (MA)
- SOLUZIONE SERVICOS E MANUTENCAO LTDAPresidente Dutra (MA)
- MECTEK MANUTENCAO E MONTAGEM LTDABalsas (MA)
- GERCOMP COM E SERV LTDASão Bento (MA)
- HAYOD INSTALACAO E MANUTENCAO INDUSTRIAL LTDASão Luís (MA)
- FISCMAN MANUTENCAO INDUSTRIAL LTDASão Luís (MA)
- MULLER & MULLER LTDABalsas (MA)
- SLZ INSTALACOES E MONTAGENS DE COMANDOS ELETRICOS LTDASão Luís (MA)
- EVERTON HENRIQUE DELERA LTDABalsas (MA)
- GERCOMP GERADORES & COMPRESSORES LTDASão Luís (MA)
- A C L SOLAR LTDABalsas (MA)
- BORLI ENGENHARIA LTDAImperatriz (MA)
- J R MONTAGEM E MANUTENCAO EM SILOS E SECADORES LTDABalsas (MA)
- GR APLICACOES TECNOLOGICAS BRASIL LTDAImperatriz (MA)
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
- Maranhão0.1
- Brazil0.2
In Maranhão, the activity weighs less than in Brazil.
Maranhão's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Luís 39.3% 144
- 2 Imperatriz 10.7% 39
- 3 Balsas 7.4% 27
- 4 Timon 5.2% 19
- 5 São José de Ribamar 4.4% 16
- 6 Açailândia 3.6% 13
- 7 Paço do Lumiar 3.0% 11
- 8 Caxias 1.6% 6
- 9 Governador Edison Lobão 0.8% 3
- 10 Raposa 0.8% 3
20 more cities
- 11 Arari 3
- 12 Cajapió 3
- 13 Chapadinha 3
- 14 Codó 3
- 15 Porto Franco 3
- 16 Presidente Dutra 3
- 17 São Mateus do Maranhão 3
- 18 Tutóia 3
- 19 Santa Inês 3
- 20 Campestre do Maranhão 2
- 21 São Francisco do Brejão 2
- 22 Barreirinhas 2
- 23 Lago da Pedra 2
- 24 Vitória do Mearim 2
- 25 Bom Jardim 2
- 26 Estreito 2
- 27 Santa Luzia do Paruá 2
- 28 Bom Jesus das Selvas 1
- 29 Buriticupu 1
- 30 Capinzal do Norte 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 Maranhão?
366 active companies have CNAE 3321-0/00 as their main activity in Maranhão, 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 Maranhão's cities has the most companies in this activity?
São Luís, with 144, 39.3% 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 Maranhão.