<SEC-DOCUMENT>0001084991-11-000002.txt : 20110310
<SEC-HEADER>0001084991-11-000002.hdr.sgml : 20110310
<ACCEPTANCE-DATETIME>20110124130401
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001084991-11-000002
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20110124

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATURAL GAS SERVICES GROUP INC
		CENTRAL INDEX KEY:			0001084991
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				752811855
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		2911 SCR 1260
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79706
		BUSINESS PHONE:		9155633974

	MAIL ADDRESS:	
		STREET 1:		2911 SCR 1260
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79706
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
<html>
<head>
    <title>seccorresp.htm</title>
    <!-- Licensed to: Natural Gas Services Group, Inc. -->
    <!-- Document Created using EDGARizer 5.2.3.0 -->
    <!-- Copyright 1995 - 2009 Thomson Reuters. All rights reserved. -->
</head>


<body bgcolor="#ffffff" style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
<div><br>
&#160;</div>

<div><br>
&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Natural Gas Services Group, Inc.</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">508 West Wall Street, Suite 550</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Midland, Texas 79701</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Phone:&#160;&#160;(432) 262-2700</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Fax:&#160;&#160;(432) 262-2701</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">January 24, 2011</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">VIA EDGAR</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Mr. Ethan Horowitz, Branch Chief</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">United States Securities and Exchange Commission</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">100 F Street, N.E.</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Washington, D.C.&#160;&#160;20549</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div>
<table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
<td style="WIDTH: 36pt">
<div><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#160; </font></div>
</td>
<td style="WIDTH: 36pt">
<div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Re:</font></div>
</td>
<td>
<div align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Natural Gas Services Group, Inc.</font></div>
</td>
</tr></table>
</div>

<div>
<table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
<td style="WIDTH: 72pt">
<div><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#160; </font></div>
</td>
<td>
<div align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Form 10-K for the fiscal year ended December 31, 2009</font></div>
</td>
</tr></table>
</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="FONT-SIZE: 11pt; MARGIN-LEFT: 72pt; FONT-FAMILY: Times New Roman"></font><font style="FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Form 10-Q for the fiscal quarter ended September 30, 2010</font></font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="FONT-SIZE: 11pt; MARGIN-LEFT: 72pt; FONT-FAMILY: Times New Roman"></font><font style="FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">File No. 1-31398</font></font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Dear Mr. Horowitz:</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">This letter is an additional response to the comments of the Staff contained in the Staff&#8217;s letter dated December 14, 2010, commenting on the filings referenced above.&#160;&#160;In connection with the Staff&#8217;s comment letter and our earlier response to those comments filed with the Commission on December 27, 2011, by our legal counsel, Natural Gas Services Group, Inc. (the &#8220;Company&#8221;) hereby acknowledges the following:</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#160;</font></div>

<div>
<table cellpadding="0" cellspacing="0" id="list" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
<td align="right" style="WIDTH: 108pt">
<div><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#183;&#160;&#160;</font></div>
</td>
<td>
<div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">the Company is responsible for the adequacy and accuracy of the disclosure in the filings;</font></div>
</td>
</tr></table>
</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div>
<table cellpadding="0" cellspacing="0" id="list" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
<td align="right" style="WIDTH: 108pt">
<div><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#183;&#160;&#160;</font></div>
</td>
<td>
<div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">staff comments or changes to disclosure in response to staff comments do not foreclose the Commission from taking any action with respect to the filings; and</font></div>
</td>
</tr></table>
</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div>
<table cellpadding="0" cellspacing="0" id="list" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
<td align="right" style="WIDTH: 108pt">
<div><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#183;&#160;&#160;</font></div>
</td>
<td>
<div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">the Company may not assert staff comments as defense in any proceeding initiated by the Commission or any person under the federal securities laws of the United States.</font></div>
</td>
</tr></table>
</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="FONT-SIZE: 11pt; MARGIN-LEFT: 216pt; FONT-FAMILY: Times New Roman"></font><font style="FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Very truly yours,</font></font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="FONT-SIZE: 11pt; MARGIN-LEFT: 216pt; FONT-FAMILY: Times New Roman"></font><font style="FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">NATURAL GAS SERVICES GROUP, INC.</font></font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="FONT-SIZE: 11pt; MARGIN-LEFT: 216pt; FONT-FAMILY: Times New Roman"></font><font style="FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">By:&#160;&#160;<font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman; TEXT-DECORATION: underline">/s/ Stephen C. Taylor</font></font></font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="FONT-SIZE: 11pt; MARGIN-LEFT: 216pt; FONT-FAMILY: Times New Roman"></font><font style="FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#160;&#160;&#160;&#160;&#160;&#160;&#160;President and Chief Executive Officer</font></font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>

<br>
<div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
<div id="FTR">
<div style="WIDTH: 100%" align="left">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></div>
</div>

<div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160; </font></div>
</div>

<div id="PN" style="PAGE-BREAK-AFTER: always; WIDTH: 100%">
<div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160; </font></div>

<div style="WIDTH: 100%; TEXT-ALIGN: center">
<hr style="COLOR: black" noshade size="2">
</div>
</div>

<div id="HDR">
<div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160; </font></div>
</div>
</div>

<br>
</body>
</html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
