CNAE 4399-1/03 · União (PI)
Obras de alvenaria in União (PI)
25 active companies are headquartered in União (PI) with this CNAE as their main activity. They represent less than 0.1% 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 União (PI)
- 25
- less than 0.1% of Brazil's
- Of every 100 companies in União (PI)
- 1.3
- do this activity
- Among Piauí's cities
- 13th
- by companies in this activity
Active companies in União (PI)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- RONALDO REIS SARAIVAUnião (PI)
- JOSE CARDOSO DE MACEDO NETOUnião (PI)
- GENILSON DA COSTA SANTOSUnião (PI)
- JOSE ALVES PEREIRA FILHOUnião (PI)
- RAIMUNDO DOS SANTOS SOUSAUnião (PI)
- RAFAEL ARAUJO SILVA LOPESUnião (PI)
- ONOFRE RIBEIROUnião (PI)
- ISMAEL DE FRANCA SILVAUnião (PI)
- EDILSON CASTRO CARDOSOUnião (PI)
- ANTONIO JOSE VIEIRA SILVAUnião (PI)
- FRANCISCO EDUARDO DA COSTAUnião (PI)
- FRANCISCO NUNES DA SILVAUnião (PI)
- ROSILDO ALVES DA SILVAUnião (PI)
- RAIMUNDO FERNANDES OLIVEIRAUnião (PI)
- CARLOS MEDEIROS DOS SANTOSUnião (PI)
- RONALDO DA CONCEICAO SILVAUnião (PI)
- JUNIOR CESAR DE SOUSAUnião (PI)
- ANTONIO JOSE QUARESMA DA SILVAUnião (PI)
- GERDEAN DO NASCIMENTOUnião (PI)
- ANTONIO FRANCISCO ELVISON ARAUJO ALVESUnião (PI)
- HELIO DA SILVA LEITEUnião (PI)
- CARLOS HENRIQUE DE ARAUJO GOMESUnião (PI)
- VALDILSON DA SILVA LIMA MONTEIROUnião (PI)
- ANTONIO FRANCISCO PEREIRA DA SILVAUnião (PI)
- FERNANDO DIAS PEREIRAUnião (PI)
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
- União (PI)1.3
- Piauí1.0
- Brazil2.3
In União (PI), the activity weighs less than in Brazil.
Piauí's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Teresina 43.5% 929
- 2 Parnaíba 5.4% 116
- 3 Picos 3.8% 81
- 4 Floriano 3.7% 80
- 5 Altos 1.6% 35
- 6 Campo Maior 1.6% 34
- 7 José de Freitas 1.5% 33
- 8 Oeiras 1.5% 33
- 9 Valença do Piauí 1.4% 30
- 10 Piripiri 1.3% 28
20 more cities
- 11 São Raimundo Nonato 28
- 12 Corrente 26
- 13 União 25
- 14 Esperantina 24
- 15 Uruçuí 19
- 16 Bom Jesus 18
- 17 Luís Correia 17
- 18 Pedro II 17
- 19 Barras 16
- 20 Piracuruca 16
- 21 Amarante 14
- 22 Batalha 14
- 23 Castelo do Piauí 14
- 24 Jaicós 14
- 25 Demerval Lobão 12
- 26 Monsenhor Gil 12
- 27 Paulistana 12
- 28 Cocal 11
- 29 Juazeiro do Piauí 10
- 30 Água Branca 10
Class 4399-1 in União (PI)
serviços especializados para construção não especificados anteriormente, by subclass| Subclass | Active |
|---|---|
| 4399-1/01 Administração de obras | 0 |
| 4399-1/02 Montagem e desmontagem de andaimes e outras estruturas temporárias | 0 |
| 4399-1/03 Obras de alvenaria · this one | 25 |
| 4399-1/04 Serviços de operação e fornecimento de equipamentos para transporte e elevação de cargas e pessoas para uso em obras | 0 |
| 4399-1/05 Perfuração e construção de poços de água | 2 |
| 4399-1/99 Serviços especializados para construção não especificados anteriormente | 0 |
What activity 4399-1/03 is
- As obras de alvenaria
Frequently asked questions
How many companies have main CNAE 4399-1/03 in União (PI)?
25 active companies have CNAE 4399-1/03 as their main activity in União (PI), according to the Receita Federal's October 2026 publication. That is 1.3 of every 100 companies there, against 2.3 in Brazil.
Which of Piauí's cities has the most companies in this activity?
Teresina, with 929, 43.5% 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 União (PI).