EXHIBIT 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Wayne A. Whitener, certify that:

1.        I have reviewed this annual report on Form 10-K/A of TGC Industries, Inc.;

2.        Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

Date:  April 15, 2011	By:	/s/ Wayne A. Whitener
		Wayne A. Whitener
		President and Chief Executive Officer
		(Principal Executive Officer)

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