CNAE 4212-0/00 · Amapá

Construção de obras de arte especiais in Amapá

13 active companies are headquartered in Amapá with this CNAE as their main activity. They represent 1.3% of Brazil's active companies with the same main activity.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

The same activity in Brazil 1,006

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 Amapá: 13; 1.3% of Brazil's
Of every 100 companies in Amapá: 0.0; do this activity
Among Brazil's federative units: 17th; by companies in this activity

Active companies in Amapá

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.

S.E. CONSTRUCAO LTDAPorto Grande (AP)
MAXIM CLEAN MEDICAMENTOS MATERIAL ODONTOLOGICOS E HOSPITALAR LTDAVitória do Jari (AP)
RR COMPANY IND. COM. CONST. LOC. REP. SERV. & EXPORT. LTDAMacapá (AP)
AMAPA CONSTRUCOES E SERVICOS LTDAMacapá (AP)
A. TAVARES DOS SANTOS LTDAItaubal (AP)
G L BATISTA LTDASerra do Navio (AP)
DUCAS ENGENHARIA E COMERCIO LTDAMacapá (AP)
J M DE FREITAS LTDAMacapá (AP)
GONCALVES SANTOS CONSTRUCOES LTDAMacapá (AP)
M. C. BRANCO DA SILVAMacapá (AP)
E C DE SOUZA REFORMAS E AMPLIACOESMacapá (AP)
A. M. RODRIGUES FILHOSantana (AP)
D. DO S. S. DE MORAISMacapá (AP)

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

Amapá0.0
Brazil0.0

In Amapá, the activity weighs 7.3 times what it does in Brazil.

Amapá's cities with the most companies in this activity

active companies and each city's share of the state

1 Macapá 61.5% 8
2 Vitória do Jari 7.7% 1
3 Santana 7.7% 1
4 Serra do Navio 7.7% 1
5 Itaubal 7.7% 1
6 Porto Grande 7.7% 1

Class 4212-0 in Amapá

construção de obras de arte especiais, by subclass

Close to this: 7112-0/00 · Serviços de engenharia, 206 companies in Amapá.

What activity 4212-0/00 is

A construção e recuperação de pontes, viadutos, elevados, passarelas, etc.
A construção de túneis (urbanos, em rodovias, ferrovias, metropolitanos)

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4212-0/00 in Amapá?

13 active companies have CNAE 4212-0/00 as their main activity in Amapá, 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 Amapá's cities has the most companies in this activity?

Macapá, with 8, 61.5% 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 Amapá.