CNAE 4329-1/04 · São Luís (MA)
Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos in São Luís (MA)
26 active companies are headquartered in São Luís (MA) 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
What this list shows
We count each active company once, by its head office in the city 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 São Luís (MA)
- 26
- 0.7% of Brazil's
- Of every 100 companies in São Luís (MA)
- 0.0
- do this activity
- Among Maranhão's cities
- 1st
- by companies in this activity
Active companies in São Luís (MA)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- NEWTEC PRODUTOS INTELIGENTES LTDASão Luís (MA)
- J F EMPREENDIMENTOS LTDASão Luís (MA)
- TECTRANS LTDASão Luís (MA)
- THX LOGISTICA E SERVICOS LTDASão Luís (MA)
- B G S COSTA COMERCIO E SERVICOS LTDASão Luís (MA)
- JMCC SINALIZACAO LTDASão Luís (MA)
- MCL FERREIRA LIRA LTDASão Luís (MA)
- LOPES CONSTRUCOES E SERVICOS LTDASão Luís (MA)
- EXPERT SOLUCOES E SERVICOS LTDASão Luís (MA)
- KAKUEY TANACKA DE SOUSA OLIVEIRASão Luís (MA)
- IVAN CORREA CHAGASSão Luís (MA)
- RUBENS LAZARO BARBOSASão Luís (MA)
- TALISON COELHO MORAISSão Luís (MA)
- FRANKLIN SIRQUEIRA SERRASão Luís (MA)
- ISAIAS SOUSA FERREIRASão Luís (MA)
- WILLIAN SILVA DA CONCEICAOSão Luís (MA)
- JOAO JOSE PEREIRA FERREIRASão Luís (MA)
- APOLIANA AGUIAR RIBEIROSão Luís (MA)
- RODRIGO SILVA MORENOSão Luís (MA)
- LUCAS PEREIRA MORENOSão Luís (MA)
- C A DE JESUS TECNOLOGIA E SOLUCOESSão Luís (MA)
- LUCAS GABRIEL RIBEIRO DOS SANTOSSão Luís (MA)
- WANDERSON FELIPE RIBEIRO DOS SANTOSSão Luís (MA)
- HUGO FERNANDO FERREIRA DE CARVALHOSão Luís (MA)
- MIGUEL DE ABREU ANDRADESão Luís (MA)
- BRENDO FRAZAO OLIVEIRASão Luís (MA)
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
- São Luís (MA)0.0
- Maranhão0.0
- Brazil0.0
In São Luís (MA), the activity weighs 1.6 times what it does 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 21.7% 26
- 2 Bacabal 9.2% 11
- 3 Caxias 5.8% 7
- 4 São José de Ribamar 5.8% 7
- 5 Imperatriz 3.3% 4
- 6 Itapecuru Mirim 3.3% 4
- 7 Jatobá 1.7% 2
- 8 Peritoró 1.7% 2
- 9 Trizidela do Vale 1.7% 2
- 10 Chapadinha 1.7% 2
20 more cities
- 11 Lago da Pedra 2
- 12 Pastos Bons 2
- 13 Rosário 2
- 14 Timon 2
- 15 Santa Inês 2
- 16 Açailândia 2
- 17 Água Doce do Maranhão 1
- 18 Araguanã 1
- 19 Bacabeira 1
- 20 Buriticupu 1
- 21 Campestre do Maranhão 1
- 22 Centro Novo do Maranhão 1
- 23 Maracaçumé 1
- 24 Maranhãozinho 1
- 25 Pedro do Rosário 1
- 26 Raposa 1
- 27 São João do Soter 1
- 28 São José dos Basílios 1
- 29 São Pedro da Água Branca 1
- 30 Senador Alexandre Costa 1
Class 4329-1 in São Luís (MA)
obras de instalações em construções não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 4329-1/01 Instalação de painéis publicitários | 37 |
| 4329-1/02 Instalação de equipamentos para orientação à navegação marítima fluvial e lacustre | 8 |
| 4329-1/03 Instalação, manutenção e reparação de elevadores, escadas e esteiras rolantes | 27 |
| 4329-1/04 Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos · this one | 26 |
| 4329-1/05 Tratamentos térmicos, acústicos ou de vibração | 12 |
| 4329-1/99 Outras obras de instalações em construções não especificadas anteriormente | 13 |
Close to this: 3299-0/04 · Fabricação de painéis e letreiros luminosos, 24 companies in São Luís (MA).
What activity 4329-1/04 is
- A montagem ou instalação de sistemas de iluminação e sinalização em vias públicas, rodovias, ferrovias, portos e aeroportos
- A iluminação urbana e semáforos
- A iluminação de pistas de decolagem
Frequently asked questions
How many companies have main CNAE 4329-1/04 in São Luís (MA)?
26 active companies have CNAE 4329-1/04 as their main activity in São Luís (MA), 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 Maranhão's cities has the most companies in this activity?
São Luís, with 26, 21.7% of the state's companies in this activity.
Why can this total differ from the companies operating in the city?
This scope counts active companies by their head office and registered main activity. A company may operate in the city 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 São Luís (MA).