CNAE 4292-8/01 · Piauí
Montagem de estruturas metálicas in Piauí
26 active companies are headquartered in Piauí with this CNAE as their main activity. They represent 0.3% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 8,253
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 Piauí
- 26
- 0.3% of Brazil's
- Of every 100 companies in Piauí
- 0.0
- do this activity
- Among Brazil's federative units
- 24th
- by companies in this activity
Active companies in Piauí
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- MONTEK SERVICOS DE MONTAGEM DE ESTRUTURAS METALICAS LTDABaixa Grande do Ribeiro (PI)
- M S CHAVEZ LTDASão Gonçalo do Gurguéia (PI)
- RR AUTOMATICOS METALURGICA E SERVICOS LTDATeresina (PI)
- M V DO NASCIMENTO ROCHA LTDAPiripiri (PI)
- TRANSMISSORA MOITAO MONTAGEM E MANUTENCAO LTDATeresina (PI)
- CHAGAS & SANTOS LTDABatalha (PI)
- V DE SOUSA SANTOS LTDABatalha (PI)
- DIEGO ALMEIDA MELO CARVALHO LTDATeresina (PI)
- L R MONTAGENS DE ESTRUTURAS METALICAS LTDACoivaras (PI)
- MANUTTEC LTDABaixa Grande do Ribeiro (PI)
- RR FABRICACAO E SERVICOS LTDATeresina (PI)
- ZFG MONTAGENS E MANUTENCOES LTDACristino Castro (PI)
- RL MONTAGEM E MANUTENCAO INDUSTRIAL LTDATeresina (PI)
- P A BRITO LTDAPiripiri (PI)
- ALPHA METAL LTDATeresina (PI)
- TRANSFERO INFRASTRUCTURE S.A.Parnaíba (PI)
- DINIZ & OLIVEIRA LTDATeresina (PI)
- T F MENDES FILHO SERRALHERIA FALCAOJosé de Freitas (PI)
- ALIXANDRE CARDOSO NUNESTeresina (PI)
- MARIA DO CARMO DO NASCIMENTO ROCHAPiripiri (PI)
- I DA S FERREIRA METALURGICA E TORNEARIATeresina (PI)
- A F C DE SOUSATeresina (PI)
- JOSE DE RIBAMAR P DA SILVATeresina (PI)
- R B DE LIMATeresina (PI)
- WHELLYNSOM KESSIO A DA SILVADemerval Lobão (PI)
- FERNANDO L DA SILVATeresina (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
- Piauí0.0
- Brazil0.0
In Piauí, 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 50.0% 13
- 2 Piripiri 11.5% 3
- 3 Batalha 7.7% 2
- 4 Baixa Grande do Ribeiro 7.7% 2
- 5 São Gonçalo do Gurguéia 3.8% 1
- 6 Coivaras 3.8% 1
- 7 Cristino Castro 3.8% 1
- 8 Demerval Lobão 3.8% 1
- 9 José de Freitas 3.8% 1
- 10 Parnaíba 3.8% 1
Class 4292-8 in Piauí
montagem de instalações industriais e de estruturas metálicas, by subclass| Subclass | Active |
|---|---|
| 4292-8/01 Montagem de estruturas metálicas · this one | 26 |
| 4292-8/02 Obras de montagem industrial | 12 |
Close to this: 3321-0/00 · Instalação de máquinas e equipamentos industriais, 158 companies in Piauí.
What activity 4292-8/01 is
- A montagem de estruturas metálicas permanentes
- Os serviços de soldagem de estruturas metálicas
Frequently asked questions
How many companies have main CNAE 4292-8/01 in Piauí?
26 active companies have CNAE 4292-8/01 as their main activity in Piauí, 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 Piauí's cities has the most companies in this activity?
Teresina, with 13, 50.0% 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 Piauí.