SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED):

May 19, 2006

TGC INDUSTRIES, INC.

(Exact name of registrant as specified in its charter)

Texas	001-32472	74-2095844
(State of incorporation)	(Commission File No.)	(IRS Employer Identification No.)

1304 Summit Ave., Ste 2 Plano, TX 75074
(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (972) 881-1099

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01 Other Events.

On May 22, 2006, TGC Industries, Inc. (“TGC” or the “Company”) issued a press release announcing the completion on May 19, 2006, of the purchase of substantially all of the assets of Highland Industry, Inc. A copy of this press release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

The following exhibit is furnished with this Form 8-K:

99.1 Press release of the Company dated May 22, 2006.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		TGC INDUSTRIES, INC.


Date: May 23, 2006	By:	/s/ WAYNE A. WHITENER
		Wayne A. Whitener
		President and CEO

		(Signing on behalf of the Registrant and as Principal Executive Officer)

EXHIBIT INDEX

Exhibit No.		Description

99.1		Press release of the Company dated May 22, 2006.