# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001084991-20-000011
Filing Date
2020-03-31
Accepted
2020-03-31 17:21:30
Documents
105
Period of Report
2019-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | ngs-20191231.htm iXBRL | 10-K | 3473268
2 | EX-21.1 | a123119-ngsxex211subsi.htm | EX-21.1 | 3935
3 | EX-23.1 | a123119-ex231bdoconsent.htm | EX-23.1 | 3624
4 | EX-31.1 | a123119-ngsxex311steph.htm | EX-31.1 | 17845
5 | EX-31.2 | a123119-ngsxex312james.htm | EX-31.2 | 15688
6 | EX-32.1 | a123119-ngsxex321steph.htm | EX-32.1 | 12538
7 | EX-32.2 | a123119-ngsxex322james.htm | EX-32.2 | 12546
13 |  | ngs-20191231_g1.jpg | GRAPHIC | 10914
14 |  | ngs-20191231_g2.jpg | GRAPHIC | 108674
| Complete submission text file | 0001084991-20-000011.txt |  | 14980637

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ngs-20191231.xsd | EX-101.SCH | 65761
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ngs-20191231_cal.xml | EX-101.CAL | 118594
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ngs-20191231_def.xml | EX-101.DEF | 376147
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ngs-20191231_lab.xml | EX-101.LAB | 828858
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ngs-20191231_pre.xml | EX-101.PRE | 629411
98 | EXTRACTED XBRL INSTANCE DOCUMENT | ngs-20191231_htm.xml | XML | 3327482

Mailing Address 404 VETERANS AIRPARK LANE SUITE 300 MIDLAND TX 79705
Business Address 404 VETERANS AIRPARK LANE SUITE 300 MIDLAND TX 79705 (432) 262-2700
NATURAL GAS SERVICES GROUP INC (Filer) CIK: 0001084991 (see all company filings)

EIN.: 752811855 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-31398 | Film No.: 20762859
SIC: 1389 Oil & Gas Field Services, NEC