# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001084991-18-000011
Filing Date
2018-03-09
Accepted
2018-03-09 17:20:37
Documents
74
Period of Report
2017-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | ngs-2017x10k.htm | 10-K | 1633177
2 | EXHIBIT 10.15 | ngs-ex1015leastextension.htm | EX-10.15 | 40116
3 | EXHIBIT 21.1 | ngs-ex211subsidiariesofngsg.htm | EX-21.1 | 4454
4 | EXHIBIT 23.1 | ngs-ex231bdoconsent.htm | EX-23.1 | 5787
5 | EXHIBIT 31.1 | ngs-ex311.htm | EX-31.1 | 16739
6 | EXHIBIT 31.2 | ngs-ex312.htm | EX-31.2 | 13229
7 | EXHIBIT 32.1 | ngs-ex321.htm | EX-32.1 | 10798
8 | EXHIBIT 32.2 | ngs-ex322.htm | EX-32.2 | 10788
15 |  | chart3a01.jpg | GRAPHIC | 66263
16 |  | ngslogo1a03a05.jpg | GRAPHIC | 13953
| Complete submission text file | 0001084991-18-000011.txt |  | 7364118

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL INSTANCE DOCUMENT | ngs-20171231.xml | EX-101.INS | 1389530
10 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ngs-20171231.xsd | EX-101.SCH | 47960
11 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ngs-20171231_cal.xml | EX-101.CAL | 85591
12 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ngs-20171231_def.xml | EX-101.DEF | 215578
13 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ngs-20171231_lab.xml | EX-101.LAB | 740598
14 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ngs-20171231_pre.xml | EX-101.PRE | 411261

Mailing Address 508 WEST WALL STREET SUITE 550 MIDLAND TX 79701
Business Address 508 WEST WALL STREET SUITE 550 MIDLAND TX 79701 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.: 18681112
SIC: 1389 Oil & Gas Field Services, NEC