<SEC-DOCUMENT>0001084991-21-000013-index.html : 20210322
<SEC-HEADER>0001084991-21-000013.hdr.sgml : 20210322
<ACCEPTANCE-DATETIME>20210322153121
ACCESSION NUMBER:		0001084991-21-000013
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210318
FILED AS OF DATE:		20210322
DATE AS OF CHANGE:		20210322

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CHISHOLM JOHN
		CENTRAL INDEX KEY:			0001173236

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31398
		FILM NUMBER:		21761213

	MAIL ADDRESS:	
		STREET 1:		C/O FLOTEK INDUSTRIES, INC.
		STREET 2:		2930 W. SAM HOUSTON PARKWAY N., STE. 300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043

ISSUER:		

	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

	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>
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<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
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