Geiger Hugh D.

Gelchinsky Boris

Geo-X Systems Ltd.

Geo-X Systems, Inc.

Geokinetics Acquisition Company Inc.

Geometrics, Inc.

Geophysical Company of Norway AS

Geophysical Exploration & Development Corp.

Geophysical Exploration & Development Corporation

Geophysical Systems Corp.

GeoQuest, a division of Schlumberger Technology Corporation

Geotrace Technologies, Inc.

Ghiglia Dennis C.

Gilbreth J. M.(Mark)

Gillard Dominique G.

Gilman Michael C.

Glinsky Michael Edwin

Goebel Vaughn S.

Goins Neal R.

Goldberg Bernard