Levi & Korsinsky is investigating the Board of Directors of TGC Industries, Inc. (“TGC” or the “Company”) (Nasdaq: TGE) for possible breaches of fiduciary duty and other violations of state law in connection with the sale of the Company to Dawson Geophysical Company (“Dawson”) (Nasdaq: DWSN). Under the terms of the transaction, TGC shareholders will receive 0.188 shares of Dawson stock for every share of TGC stock they own. Based on the closing prices for Dawson on March 18, 2011, the transaction values TGC at $8.00 per share, for a total transaction value of approximately $157 million. Click here to learn more about the investigation: http://www.zlk.com/tgc-industries-tge.html, or call: 877-363-5972. The investigation concerns whether the TGC Board of Directors breached their fiduciary duties to TGC stockholders by failing to adequately shop the Company before entering into this transaction and whether Dawson is underpaying for TGC shares, thus unlawfully harming TGC stockholders. If you own common stock in TGC and wish to obtain additional information, please contact Joseph E. Levi, Esq. either via email at email@example.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972, or visit http://www.zlk.com/tgc-industries-tge.html. Levi & Korsinsky has expertise in prosecuting investor securities litigation and extensive experience in actions involving financial fraud and represents investors throughout the nation, concentrating its practice in securities and shareholder litigation. The attorneys at Levi & Korsinsky have been appointed by numerous courts throughout the country to serve as lead counsel on behalf of shareholders in major litigations involving mergers and acquisitions. For more information, please feel free to contact any of the attorneys listed below. Attorney advertising. Prior results do not guarantee similar outcomes.