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Private company

Compagnie Générale de Géophysique (Norway)

Compagnie Générale de Géophysique (Norway) is a Norwegian company based in Oslo, founded in 1931, part of Viridien.1

Last updated Oct 21, 2026.

Overview

1931Founded1

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Corporate structure

Compagnie Générale de Géophysique (Norway) is part of a group headed by Viridien. 10 entities, 4 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Viridien Massy, France
    • Compagnie Générale de Géophysique (Norway) Oslo, Norway
    • Wavefield Inseis Subsidiary · Oslo
    • CGG Holding B.V. Subsidiary · 100% · Krimpen aan de Lek, Netherlands
      • CGG SERVICES (NORWAY) AS Subsidiary · Oslo, Norway
    • CGG Services (NL) B.V. Subsidiary · 100% · 's-Gravenhage, Netherlands
    • CGG Holding (U.S.) Inc. Subsidiary · Houston, Texas, United States
    • SERCEL Subsidiary · Carquefou, France
    • SERCEL HOLDING Subsidiary · Carquefou, France
      • De Regt Marine Cables B.V. Subsidiary · 100% · Krimpen aan de Lek, Netherlands

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

From Wikidata.1

Timeline

  1. 1931Founded Founded1

Sources

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

  1. 1