Private company

GCB

Logo: GCB, Public domain, via Wikimedia Commons³

GCB is an Algerian construction and civil engineering based in GCB headquarters, founded in 1981.¹ It is part of Sonatrach.¹

GCB (acronyme de Société nationale de Génie civil et bâtiment, en arabe : الشركة الوطنية للهندسة المدنية والبناء) est une société issue de la restructuration de Sonatrach, créée le 1er aout 1981 par décret no 81-173.² From the French Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1981Founded¹

HeadquartersGCB headquarters, Algeria¹
Websitewww.gcb.dz
Legal formjoint-stock company¹

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SiegeGCB — Photo: Ouraghnawel, CC BY-SA 3.0, via Wikimedia Commons⁴

Corporate structure

GCB is part of a group headed by Sonatrach. 10 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Sonatrach Algiers, Algeria
- GCB GCB headquarters, Algeria
- Asmidal Subsidiary · Annaba
- Domestic Airlines Subsidiary · Algiers
  - Tassili Travail Aérien Subsidiary
- ENAGEO Subsidiary
  - ENAGEO Boumerdès Subsidiary · Boumerdès, Algeria
- Hyproc Shipping Company Subsidiary · Oran
- Naftal Subsidiary · Algiers
- CRD Sonatrach Subsidiary · Boumerdès, Algeria

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

Sonatrach

Owners

Sonatrach

From Wikidata.¹

Timeline

1981Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataGCB on Wikidata
2
WikipediaGCB on the French Wikipedia
3
Wikimedia CommonsGCB logo by GCB, Public domain
4
Wikimedia CommonsGCB photo by Ouraghnawel, CC BY-SA 3.0