<SEC-DOCUMENT>0001084991-22-000036-index.html : 20220429
<SEC-HEADER>0001084991-22-000036.hdr.sgml : 20220429
<ACCEPTANCE-DATETIME>20220429160320
ACCESSION NUMBER:		0001084991-22-000036
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20211231
FILED AS OF DATE:		20220429
DATE AS OF CHANGE:		20220429

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:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31398
		FILM NUMBER:		22875102

	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>10-K/A
<SEQUENCE>1
<FILENAME>ngs-form10xkxayrended12x31.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: ngs-form10xkxayrended12x31.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>certificationoftaylorex311.htm
<DESCRIPTION>EX-31.1
<TEXT>
Document 2 - file: certificationoftaylorex311.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>certificationoffosterex312.htm
<DESCRIPTION>EX-31.2
<TEXT>
Document 3 - file: certificationoffosterex312.htm

</DOCUMENT>
</SEC-DOCUMENT>