Attached files
| file | filename |
|---|---|
| 10-K - FORM 10-K - ION GEOPHYSICAL CORP | h79764e10vk.htm |
| EX-32.1 - EX-32.1 - ION GEOPHYSICAL CORP | h79764exv32w1.htm |
| EX-31.1 - EX-31.1 - ION GEOPHYSICAL CORP | h79764exv31w1.htm |
| EX-23.1 - EX-23.1 - ION GEOPHYSICAL CORP | h79764exv23w1.htm |
| EX-32.2 - EX-32.2 - ION GEOPHYSICAL CORP | h79764exv32w2.htm |
| EX-31.2 - EX-31.2 - ION GEOPHYSICAL CORP | h79764exv31w2.htm |
EXHIBIT 21.1
SUBSIDIARIES
OF ION GEOPHYSICAL CORPORATION
|
Subsidiary
|
Jurisdiction | |
|
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 EAME. Limited.
|
UK | |
|
GX Technology Processamento de Dados Ltda.
|
Brazil | |
|
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 | |
|
ION China Holdings, Limited
|
Hong Kong | |
|
ION Exploration Products (U.S.A.), Inc.
|
Delaware | |
|
ION Geophysical CIS LLC
|
Russia | |
|
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 |