Company:  TGC INDUSTRIES INC (TGE)
Form Type:  4
Filing Date:  3/2/2012 
CIK:  0000799165 
Address:  101 E. PARK BLVD., SUITE 955 
City, State, Zip:  PLANO, Texas 75074 
Telephone:  (972) 881-1099 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$9.04  
Change: 
-0.06 (-0.66%)  
Trade Time: 
May 17  
Market Cap: 
$187.73M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES