Exhibit 21.1
SUBSIDIARIES OF GLOBAL GEOPHYSICAL SERVICES, INC.
As of December 31, 2012
Tier 1 (Direct) Subsidiaries
Entity | Jurisdiction of Organization |
Global Geophysical Services, Ltd. | Cayman Islands |
Global Geophysical Services SpA | Chile |
Global Geophysical Services S.A. | Ecuador |
Global Geophysical Services, S. de R.L. de C.V. | Mexico |
GGS Mexico Services, S. de R.L. de C.V. | Mexico |
Global Geophysical Services Nigeria, Ltd. | Nigeria |
Global Servicos Geofisicos, Ltda. | Brazil |
Global Geophysical Services, Sp. z.o.o. | Poland |
Global Geophysical Services Arabia, Ltd. | Saudi Arabia |
Global Canada Geophysical Services, Inc. | British Columbia, Canada |
Autoseis, Inc. | Texas, United States |
GGS International Holdings, Inc. | Texas, United States |
Global Microseismic Services, Inc. | Texas, United States |
Paisano Lease Co., Inc. | Texas, United States |
Global Eurasia, LLC | Delaware, United States |
Tier 2 (Indirect) Subsidiaries of Subsidiaries
Entity | Jurisdiction of Organization |
Global Geophysical Services (Isle of Man), Ltd | Isle of Man |
Expertise for Seismic Services, LLC | Iraq |
Global Geophysical Services S.A.C. | Peru |
Global Neftegeophysica, LLC | Russia |
799762 Alberta, Ltd. | Alberta, Canada |
Discrete Signal Processing, Inc | Alberta, Canada |
Sensor Geophysical, Ltd. | Alberta, Canada |
Autoseis Development Company | Texas, United States |
Entity | Jurisdiction of Organization |
Global Geophysical International Pensions, Ltd. | Cayman Islands |