<SEC-DOCUMENT>0001084991-20-000056-index.html : 20200805
<SEC-HEADER>0001084991-20-000056.hdr.sgml : 20200805
<ACCEPTANCE-DATETIME>20200805164538
ACCESSION NUMBER:		0001084991-20-000056
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200805
DATE AS OF CHANGE:		20200805
EFFECTIVENESS DATE:		20200805

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31398
		FILM NUMBER:		201078259

	BUSINESS ADDRESS:	
		STREET 1:		404 VETERANS AIRPARK LANE
		STREET 2:		SUITE 300
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79705
		BUSINESS PHONE:		(432) 262-2700

	MAIL ADDRESS:	
		STREET 1:		404 VETERANS AIRPARK LANE
		STREET 2:		SUITE 300
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79705
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14aissletter2020.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14aissletter2020.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>logo12.jpg
<TEXT>
Document 2 - file: logo12.jpg

</DOCUMENT>
</SEC-DOCUMENT>