CNAE 4221-9/04 · Maranhão
Construção de estações e redes de telecomunicações in Maranhão
31 active companies are headquartered in Maranhão with this CNAE as their main activity. They represent 2.4% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 1,316
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
- 31
- 2.4% of Brazil's
- Of every 100 companies in Maranhão
- 0.0
- do this activity
- Among Brazil's federative units
- 12th
- 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 2- NORTE AMAZONIA AGROINDUSTRIA EXPORTADORA LTDABoa Vista do Gurupi (MA)
- PRISMA MONTAGEM SERVICOS COMERCIO LTDASão Luís (MA)
- MAXIMA INVESTIMENTOS E SERVICOS LTDASão Luís (MA)
- C C REIS LTDASão Luís (MA)
- J H INFRAESTRUTURA E CONSTRUCOES DE REDE LTDABarão de Grajaú (MA)
- COESTE - CONSTRUTORA E PLANEJAMENTO LTDACajapió (MA)
- TELEBRAE - TELECOMUNICACAO BRASILEIRA E ASSISTENCIA EMPRESARIAL LTDASão Luís (MA)
- AMTEL SERVICOS LTDASão José de Ribamar (MA)
- TURNKEY ENGENHARIA LTDASão Luís (MA)
- FLV TELECOMUNICACOES LTDASão Luís (MA)
- NETFLEX LTDASão Luís (MA)
- SOL TELECOM LTDAPresidente Dutra (MA)
- MENDES SOLUCOES LTDAPresidente Médici (MA)
- GISELE TELECOMUNICACOES LTDASão Luís (MA)
- J MERCES SANTOS LTDASão Luís (MA)
- LNB TELECOMUNICACOES LTDAPresidente Dutra (MA)
- W C OLIVEIRA TELECOM LTDACidelândia (MA)
- ESTEL TELECOMUNICACOES E SISTEMAS DE SEGURANCA LTDATimon (MA)
- ESTEL SEGURANCA E TELEFONIA LTDATimon (MA)
- D BRAGA DE OLIVEIRA - SERVICOS DE TELECOMUNICACOES LTDABarra do Corda (MA)
- ST COMERCIO E SERVICOS LTDAPastos Bons (MA)
- A R D SERVICE TELECOM LTDAPaço do Lumiar (MA)
- SANTEL CONSTRUCOES E TELECOMUNICACOES LTDASão Luís (MA)
- GEORGE BONFIM SERRA PINTOSão Luís (MA)
- F EMILIO QUINELLATOSão Luís (MA)
- C. SILVA LOPESSão Luís (MA)
- ANTONIO DE PADUA MOUSINHO REISSão Luís (MA)
- P. H. C. REISSão Luís (MA)
- JOSE RODRIGUES DA S CUNHASão Luís (MA)
- M ANDRE MOTA DE SA SERVICOSIgarapé Grande (MA)
List limited to 31 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
- Maranhão0.0
- Brazil0.0
In Maranhão, the activity weighs 1.8 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 51.6% 16
- 2 Cidelândia 6.5% 2
- 3 Presidente Dutra 6.5% 2
- 4 Timon 6.5% 2
- 5 Boa Vista do Gurupi 3.2% 1
- 6 Presidente Médici 3.2% 1
- 7 Barão de Grajaú 3.2% 1
- 8 Barra do Corda 3.2% 1
- 9 Cajapió 3.2% 1
- 10 Igarapé Grande 3.2% 1
3 more cities
- 11 Paço do Lumiar 1
- 12 Pastos Bons 1
- 13 São José de Ribamar 1
Class 4221-9 in Maranhão
obras para geração e distribuição de energia elétrica e para telecomunicações, by subclass| Subclass | Active |
|---|---|
| 4221-9/01 Construção de barragens e represas para geração de energia elétrica | 4 |
| 4221-9/02 Construção de estações e redes de distribuição de energia elétrica | 48 |
| 4221-9/03 Manutenção de redes de distribuição de energia elétrica | 31 |
| 4221-9/04 Construção de estações e redes de telecomunicações · this one | 31 |
| 4221-9/05 Manutenção de estações e redes de telecomunicações | 26 |
Close to this: 6190-6/99 · Outras atividades de telecomunicações não especificadas anteriormente, 354 companies in Maranhão.
What activity 4221-9/04 is
- As obras para implantação de serviços de telecomunicações: #- construção de redes de longa e média distância de telecomunicações
- A execução de projetos de instalações para estações de telefonia e centrais telefônicas
Frequently asked questions
How many companies have main CNAE 4221-9/04 in Maranhão?
31 active companies have CNAE 4221-9/04 as their main activity in Maranhão, 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 16, 51.6% 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.