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10-K - FORM 10-K - ION GEOPHYSICAL CORPh69840e10vk.htm
EX-31.1 - EX-31.1 - ION GEOPHYSICAL CORPh69840exv31w1.htm
EX-32.1 - EX-32.1 - ION GEOPHYSICAL CORPh69840exv32w1.htm
EX-32.2 - EX-32.2 - ION GEOPHYSICAL CORPh69840exv32w2.htm
EX-31.2 - EX-31.2 - ION GEOPHYSICAL CORPh69840exv31w2.htm
EX-23.1 - EX-23.1 - ION GEOPHYSICAL CORPh69840exv23w1.htm
EX-10.36 - EX-10.36 - ION GEOPHYSICAL CORPh69840exv10w36.htm
EX-10.53 - EX-10.53 - ION GEOPHYSICAL CORPh69840exv10w53.htm
EX-10.54 - EX-10.54 - ION GEOPHYSICAL CORPh69840exv10w54.htm
EX-10.52 - EX-10.52 - ION GEOPHYSICAL CORPh69840exv10w52.htm
EXHIBIT 21.1
SUBSIDIARIES OF ION GEOPHYSICAL CORPORATION
     
Subsidiary   Jurisdiction
ARAM Rentals Corporation
  Canada
ARAM Seismic Rentals, Inc.
  Texas
ARAM Systems Corporation
  Canada
ARAM Systems Inc.
  Texas
ARAM Systems Middle East FZE
  Dubai
Beijing ION Geophysical Co., Ltd.
  China
Concept Systems Holdings Limited
  Scotland
Concept Systems Limited
  Scotland
GMG/AXIS, Inc.
  Delaware
GX Technology Canada, Ltd.
  Canada
GX Technology Corporation
  Texas
GX Technology de Venezuela C.A.
  Venezuela
GX Technology EAME. Limited.
  UK
GX Technology Sismica Brasil Ltda.
  Brazil
GX Technology Trinidad, Ltd.
  West Indies
I/O Cayman Islands, Ltd.
  Cayman Islands
I/O International, Ltd.
  Cayman Islands
I/O International Holdings, Ltd.
  Cayman Islands
I/O Luxembourg S.à r.l.
  Luxembourg
I/O Marine Systems Limited
  UK
I/O Marine Systems, Inc.
  Louisiana
I/O U.K., LTD.
  UK
I/O U.K. Holdings Limited
  Scotland
“Inco” Industrial Components ‘s-Gravenhage B.V.
  Netherlands
Input/Output Canada, Ltd.
  Canada
Input/Output Services CIS, LLC
  Russia
ION China Holdings, Limited
  Hong Kong
ION Exploration Holdings S.à r.l.
  Luxembourg
ION Exploration Products (U.S.A.), Inc.
  Delaware
ION International Holdings L.P.
  Bermuda
ION International S.à r.l.
  Luxembourg
ION International Sales Limited
  Cyprus
IPOP Management, Inc.
  Delaware
Sensor Nederland B.V.
  Netherlands
Texas Seismic Rentals Inc.
  Texas