<SEC-DOCUMENT>0001104659-15-002653-index.html : 20150115
<SEC-HEADER>0001104659-15-002653.hdr.sgml : 20150115
<ACCEPTANCE-DATETIME>20150115170123
ACCESSION NUMBER:		0001104659-15-002653
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20150115
DATE AS OF CHANGE:		20150115
EFFECTIVENESS DATE:		20150115

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TGC INDUSTRIES INC
		CENTRAL INDEX KEY:			0000799165
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL AND GAS FIELD EXPLORATION SERVICES [1382]
		IRS NUMBER:				742095844
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32472
		FILM NUMBER:		15530499

	BUSINESS ADDRESS:	
		STREET 1:		101 E. PARK BLVD., SUITE 955
		CITY:			PLANO
		STATE:			TX
		ZIP:			75074
		BUSINESS PHONE:		9728811099

	MAIL ADDRESS:	
		STREET 1:		101 E. PARK BLVD., SUITE 955
		CITY:			PLANO
		STATE:			TX
		ZIP:			75074
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>a15-2462_1defa14a.htm
<DESCRIPTION>DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS
<TEXT>
Document 1 - file: a15-2462_1defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g24621bci001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g24621bci001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g24621bci002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g24621bci002.jpg

</DOCUMENT>
</SEC-DOCUMENT>