# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-20-004236
Filing Date
2020-03-03
Accepted
2020-03-03 16:05:59
Documents
114
Period of Report
2019-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | nwpx20191231_10k.htm | 10-K | 1705556
2 | EXHIBIT 4.2 | ex_173771.htm | EX-4.2 | 37707
3 | EXHIBIT 21.1 | ex_172273.htm | EX-21.1 | 3978
4 | EXHIBIT 23.1 | ex_172274.htm | EX-23.1 | 3485
5 | EXHIBIT 31.1 | ex_172275.htm | EX-31.1 | 16598
6 | EXHIBIT 31.2 | ex_172276.htm | EX-31.2 | 16075
7 | EXHIBIT 32.1 | ex_172277.htm | EX-32.1 | 5797
8 | EXHIBIT 32.2 | ex_172278.htm | EX-32.2 | 6054
15 |  | nwpx20191231_10kimg001.gif | GRAPHIC | 16570
| Complete submission text file | 0001437749-20-004236.txt |  | 9993499

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL INSTANCE DOCUMENT | nwpx-20191231.xml | EX-101.INS | 2122587
10 | XBRL TAXONOMY EXTENSION SCHEMA | nwpx-20191231.xsd | EX-101.SCH | 97133
11 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | nwpx-20191231_cal.xml | EX-101.CAL | 102948
12 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | nwpx-20191231_def.xml | EX-101.DEF | 693013
13 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | nwpx-20191231_lab.xml | EX-101.LAB | 609609
14 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | nwpx-20191231_pre.xml | EX-101.PRE | 742485

Mailing Address 201 NE PARK PLAZA DRIVE SUITE 100 VANCOUVER WA 98684
Business Address 201 NE PARK PLAZA DRIVE SUITE 100 VANCOUVER WA 98684 3603976250
NORTHWEST PIPE CO (Filer) CIK: 0001001385 (see all company filings)

EIN.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-27140 | Film No.: 20682174
SIC: 3317 Steel Pipe & Tubes