Exhibit 21

SUBSIDIARIES OF MITCHAM INDUSTRIES, INC.

The following entities are directly or indirectly wholly-owned subsidiaries of Mitcham Industries, Inc.:

Name of Entity	State or Country of Organization
Mitcham Canada Ltd.	Alberta, Canada
Seismic Asia Pacific Pty Ltd.	Australia
Seamap International Holdings Pte Ltd.	Singapore
Seamap Inc.	Texas
Seamap (UK) Ltd.	United Kingdom
Seamap Pte. Ltd.	Singapore
Mitcham Seismic Eurasia LLC	Russia