Exhibit 8
List of Compagnie Générale de Géophysique SA subsidiaries (March 31, 2004)
(Certain dormant or insignificant subsidiaries of the Group have not been included in the list below)
French Companies | Head Office | % of Interest | ||||
CGG Marine SAS | Massy, France | 100.0 | ||||
Sercel Holding SA | Carquefou, France | 100.0 | ||||
Sercel SA | Carquefou, France | 100.0 |
Foreign Companies | Head Office | % of Interest | ||||
CGG Americas, Inc | Houston, Texas, United States | 100.0 | ||||
CGG do Brazil Participaçoes Ltda | Rio de Janeiro, Brazil | 100.0 | ||||
CGG Marine Resources Norge | Oslo, Norway | 100.0 | ||||
Compania Mexicana de Geofisica | Mexico City, Mexico | 100.0 | ||||
Sercel England Ltd | Somercous, United Kingdom | 100.0 | ||||
Sercel Inc | Tulsa, Oklahoma, United States | 100.0 | ||||
Sercel Singapore Pte Ltd | Singapore | 100.0 | ||||
Sercel Australia | Sydney, Australia | 100.0 | ||||
Hebei Junfeng | Hebei, P.R.C. | 51.0 |
Each of our subsidiaries listed above is organised in the country or U.S. state in which its head office is located, and each such subsidiary does business under its registered name.