<SEC-DOCUMENT>0001084991-24-000032-index.html : 20240503
<SEC-HEADER>0001084991-24-000032.hdr.sgml : 20240503
<ACCEPTANCE-DATETIME>20240503142303
ACCESSION NUMBER:		0001084991-24-000032
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		72
CONFORMED PERIOD OF REPORT:	20231231
FILED AS OF DATE:		20240503
DATE AS OF CHANGE:		20240503
EFFECTIVENESS DATE:		20240503

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATURAL GAS SERVICES GROUP INC
		CENTRAL INDEX KEY:			0001084991
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				752811855
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31398
		FILM NUMBER:		24912352

	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>ARS
<SEQUENCE>1
<FILENAME>ngs-2023xshareholderlett.htm
<DESCRIPTION>ARS
<TEXT>
Document 1 - file: ngs-2023xshareholderlett.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>ngs-2023xshareholderlett001.jpg <DESCRIPTION>IMAGE <TEXT> Document 2 - file: ngs-2023xshareholderlett001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>ngs-2023xshareholderlett002.jpg <DESCRIPTION>IMAGE <TEXT> Document 3 - file: ngs-2023xshareholderlett002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>ngs-2023xshareholderlett003.jpg <DESCRIPTION>IMAGE <TEXT> Document 4 - file: ngs-2023xshareholderlett003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>ngs-2023xshareholderlett004.jpg <DESCRIPTION>IMAGE <TEXT> Document 5 - file: ngs-2023xshareholderlett004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>ngs-2023xshareholderlett005.jpg <DESCRIPTION>IMAGE <TEXT> Document 6 - file: ngs-2023xshareholderlett005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>ngs-2023xshareholderlett006.jpg <DESCRIPTION>IMAGE <TEXT> Document 7 - file: ngs-2023xshareholderlett006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>ngs-2023xshareholderlett007.jpg <DESCRIPTION>IMAGE <TEXT> Document 8 - file: ngs-2023xshareholderlett007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>ngs-2023xshareholderlett008.jpg <DESCRIPTION>IMAGE <TEXT> Document 9 - file: ngs-2023xshareholderlett008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>ngs-2023xshareholderlett009.jpg <DESCRIPTION>IMAGE <TEXT> Document 10 - file: ngs-2023xshareholderlett009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>ngs-2023xshareholderlett010.jpg <DESCRIPTION>IMAGE <TEXT> Document 11 - file: ngs-2023xshareholderlett010.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>ngs-2023xshareholderlett011.jpg <DESCRIPTION>IMAGE <TEXT> Document 12 - file: ngs-2023xshareholderlett011.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>ngs-2023xshareholderlett012.jpg <DESCRIPTION>IMAGE <TEXT> Document 13 - file: ngs-2023xshareholderlett012.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>ngs-2023xshareholderlett013.jpg <DESCRIPTION>IMAGE <TEXT> Document 14 - file: ngs-2023xshareholderlett013.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>ngs-2023xshareholderlett014.jpg <DESCRIPTION>IMAGE <TEXT> Document 15 - file: ngs-2023xshareholderlett014.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>ngs-2023xshareholderlett015.jpg <DESCRIPTION>IMAGE <TEXT> Document 16 - file: ngs-2023xshareholderlett015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>ngs-2023xshareholderlett016.jpg <DESCRIPTION>IMAGE <TEXT> Document 17 - file: ngs-2023xshareholderlett016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>ngs-2023xshareholderlett017.jpg <DESCRIPTION>IMAGE <TEXT> Document 18 - file: ngs-2023xshareholderlett017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>ngs-2023xshareholderlett018.jpg <DESCRIPTION>IMAGE <TEXT> Document 19 - file: ngs-2023xshareholderlett018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>ngs-2023xshareholderlett019.jpg <DESCRIPTION>IMAGE <TEXT> Document 20 - file: ngs-2023xshareholderlett019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>ngs-2023xshareholderlett020.jpg <DESCRIPTION>IMAGE <TEXT> Document 21 - file: ngs-2023xshareholderlett020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>ngs-2023xshareholderlett021.jpg <DESCRIPTION>IMAGE <TEXT> Document 22 - file: ngs-2023xshareholderlett021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>ngs-2023xshareholderlett022.jpg <DESCRIPTION>IMAGE <TEXT> Document 23 - file: ngs-2023xshareholderlett022.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>ngs-2023xshareholderlett023.jpg <DESCRIPTION>IMAGE <TEXT> Document 24 - file: ngs-2023xshareholderlett023.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>ngs-2023xshareholderlett024.jpg <DESCRIPTION>IMAGE <TEXT> Document 25 - file: ngs-2023xshareholderlett024.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>ngs-2023xshareholderlett025.jpg <DESCRIPTION>IMAGE <TEXT> Document 26 - file: ngs-2023xshareholderlett025.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>ngs-2023xshareholderlett026.jpg <DESCRIPTION>IMAGE <TEXT> Document 27 - file: ngs-2023xshareholderlett026.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>ngs-2023xshareholderlett027.jpg <DESCRIPTION>IMAGE <TEXT> Document 28 - file: ngs-2023xshareholderlett027.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>ngs-2023xshareholderlett028.jpg <DESCRIPTION>IMAGE <TEXT> Document 29 - file: ngs-2023xshareholderlett028.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>ngs-2023xshareholderlett029.jpg <DESCRIPTION>IMAGE <TEXT> Document 30 - file: ngs-2023xshareholderlett029.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>ngs-2023xshareholderlett030.jpg <DESCRIPTION>IMAGE <TEXT> Document 31 - file: ngs-2023xshareholderlett030.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>ngs-2023xshareholderlett031.jpg <DESCRIPTION>IMAGE <TEXT> Document 32 - file: ngs-2023xshareholderlett031.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>ngs-2023xshareholderlett032.jpg <DESCRIPTION>IMAGE <TEXT> Document 33 - file: ngs-2023xshareholderlett032.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>ngs-2023xshareholderlett033.jpg <DESCRIPTION>IMAGE <TEXT> Document 34 - file: ngs-2023xshareholderlett033.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>ngs-2023xshareholderlett034.jpg <DESCRIPTION>IMAGE <TEXT> Document 35 - file: ngs-2023xshareholderlett034.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>ngs-2023xshareholderlett035.jpg <DESCRIPTION>IMAGE <TEXT> Document 36 - file: ngs-2023xshareholderlett035.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>ngs-2023xshareholderlett036.jpg <DESCRIPTION>IMAGE <TEXT> Document 37 - file: ngs-2023xshareholderlett036.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>ngs-2023xshareholderlett037.jpg <DESCRIPTION>IMAGE <TEXT> Document 38 - file: ngs-2023xshareholderlett037.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>ngs-2023xshareholderlett038.jpg <DESCRIPTION>IMAGE <TEXT> Document 39 - file: ngs-2023xshareholderlett038.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>ngs-2023xshareholderlett039.jpg <DESCRIPTION>IMAGE <TEXT> Document 40 - file: ngs-2023xshareholderlett039.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>ngs-2023xshareholderlett040.jpg <DESCRIPTION>IMAGE <TEXT> Document 41 - file: ngs-2023xshareholderlett040.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>ngs-2023xshareholderlett041.jpg <DESCRIPTION>IMAGE <TEXT> Document 42 - file: ngs-2023xshareholderlett041.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>ngs-2023xshareholderlett042.jpg <DESCRIPTION>IMAGE <TEXT> Document 43 - file: ngs-2023xshareholderlett042.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>44 <FILENAME>ngs-2023xshareholderlett043.jpg <DESCRIPTION>IMAGE <TEXT> Document 44 - file: ngs-2023xshareholderlett043.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>ngs-2023xshareholderlett044.jpg <DESCRIPTION>IMAGE <TEXT> Document 45 - file: ngs-2023xshareholderlett044.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>ngs-2023xshareholderlett045.jpg <DESCRIPTION>IMAGE <TEXT> Document 46 - file: ngs-2023xshareholderlett045.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>47 <FILENAME>ngs-2023xshareholderlett046.jpg <DESCRIPTION>IMAGE <TEXT> Document 47 - file: ngs-2023xshareholderlett046.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>48 <FILENAME>ngs-2023xshareholderlett047.jpg <DESCRIPTION>IMAGE <TEXT> Document 48 - file: ngs-2023xshareholderlett047.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>49 <FILENAME>ngs-2023xshareholderlett048.jpg <DESCRIPTION>IMAGE <TEXT> Document 49 - file: ngs-2023xshareholderlett048.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>50 <FILENAME>ngs-2023xshareholderlett049.jpg <DESCRIPTION>IMAGE <TEXT> Document 50 - file: ngs-2023xshareholderlett049.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>51 <FILENAME>ngs-2023xshareholderlett050.jpg <DESCRIPTION>IMAGE <TEXT> Document 51 - file: ngs-2023xshareholderlett050.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>52 <FILENAME>ngs-2023xshareholderlett051.jpg <DESCRIPTION>IMAGE <TEXT> Document 52 - file: ngs-2023xshareholderlett051.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>53 <FILENAME>ngs-2023xshareholderlett052.jpg <DESCRIPTION>IMAGE <TEXT> Document 53 - file: ngs-2023xshareholderlett052.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>54 <FILENAME>ngs-2023xshareholderlett053.jpg <DESCRIPTION>IMAGE <TEXT> Document 54 - file: ngs-2023xshareholderlett053.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>55 <FILENAME>ngs-2023xshareholderlett054.jpg <DESCRIPTION>IMAGE <TEXT> Document 55 - file: ngs-2023xshareholderlett054.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>56 <FILENAME>ngs-2023xshareholderlett055.jpg <DESCRIPTION>IMAGE <TEXT> Document 56 - file: ngs-2023xshareholderlett055.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>57 <FILENAME>ngs-2023xshareholderlett056.jpg <DESCRIPTION>IMAGE <TEXT> Document 57 - file: ngs-2023xshareholderlett056.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>58 <FILENAME>ngs-2023xshareholderlett057.jpg <DESCRIPTION>IMAGE <TEXT> Document 58 - file: ngs-2023xshareholderlett057.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>59 <FILENAME>ngs-2023xshareholderlett058.jpg <DESCRIPTION>IMAGE <TEXT> Document 59 - file: ngs-2023xshareholderlett058.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>60 <FILENAME>ngs-2023xshareholderlett059.jpg <DESCRIPTION>IMAGE <TEXT> Document 60 - file: ngs-2023xshareholderlett059.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>61 <FILENAME>ngs-2023xshareholderlett060.jpg <DESCRIPTION>IMAGE <TEXT> Document 61 - file: ngs-2023xshareholderlett060.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>62 <FILENAME>ngs-2023xshareholderlett061.jpg <DESCRIPTION>IMAGE <TEXT> Document 62 - file: ngs-2023xshareholderlett061.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>63 <FILENAME>ngs-2023xshareholderlett062.jpg <DESCRIPTION>IMAGE <TEXT> Document 63 - file: ngs-2023xshareholderlett062.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>64 <FILENAME>ngs-2023xshareholderlett063.jpg <DESCRIPTION>IMAGE <TEXT> Document 64 - file: ngs-2023xshareholderlett063.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>65 <FILENAME>ngs-2023xshareholderlett064.jpg <DESCRIPTION>IMAGE <TEXT> Document 65 - file: ngs-2023xshareholderlett064.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>66 <FILENAME>ngs-2023xshareholderlett065.jpg <DESCRIPTION>IMAGE <TEXT> Document 66 - file: ngs-2023xshareholderlett065.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>67 <FILENAME>ngs-2023xshareholderlett066.jpg <DESCRIPTION>IMAGE <TEXT> Document 67 - file: ngs-2023xshareholderlett066.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>68 <FILENAME>ngs-2023xshareholderlett067.jpg <DESCRIPTION>IMAGE <TEXT> Document 68 - file: ngs-2023xshareholderlett067.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>69 <FILENAME>ngs-2023xshareholderlett068.jpg <DESCRIPTION>IMAGE <TEXT> Document 69 - file: ngs-2023xshareholderlett068.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>70 <FILENAME>ngs-2023xshareholderlett069.jpg <DESCRIPTION>IMAGE <TEXT> Document 70 - file: ngs-2023xshareholderlett069.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>71 <FILENAME>ngs-2023xshareholderlett070.jpg <DESCRIPTION>IMAGE <TEXT> Document 71 - file: ngs-2023xshareholderlett070.jpg
</DOCUMENT> <DOCUMENT> <TYPE>ARS <SEQUENCE>72 <FILENAME>ngs-2023xshareholderletter.pdf <DESCRIPTION>ARS <TEXT> Document 72 - file: ngs-2023xshareholderletter.pdf
</DOCUMENT> </SEC-DOCUMENT>