Company:  NATURAL GAS SERVICES GROU ... (NGS)
Form Type:  4
Filing Date:  1/27/2012 
CIK:  0001084991 
Address:  508 WEST WALL STREET
SUITE 550 
City, State, Zip:  MIDLAND, Texas 79701 
Telephone:  432-262-2700 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$23.24   		Change: 
0.16 (0.69%)  
Trade Time: 
May 17   		Market Cap: 
$287.41M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES
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