# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-21-004994
Filing Date
2021-03-04
Accepted
2021-03-04 16:14:42
Documents
105
Period of Report
2020-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | nwpx20201231_10k.htm iXBRL | 10-K | 1969764
2 | EXHIBIT 21.1 | ex_223767.htm | EX-21.1 | 4443
3 | EXHIBIT 23.1 | ex_223768.htm | EX-23.1 | 3283
4 | EXHIBIT 31.1 | ex_223769.htm | EX-31.1 | 14377
5 | EXHIBIT 31.2 | ex_223770.htm | EX-31.2 | 13074
6 | EXHIBIT 32.1 | ex_223771.htm | EX-32.1 | 6297
7 | EXHIBIT 32.2 | ex_223772.htm | EX-32.2 | 5652
13 |  | graph1.jpg | GRAPHIC | 59774
| Complete submission text file | 0001437749-21-004994.txt |  | 10318364

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA | nwpx-20201231.xsd | EX-101.SCH | 90983
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | nwpx-20201231_cal.xml | EX-101.CAL | 100091
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | nwpx-20201231_def.xml | EX-101.DEF | 644379
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | nwpx-20201231_lab.xml | EX-101.LAB | 571117
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | nwpx-20201231_pre.xml | EX-101.PRE | 688781
14 | EXTRACTED XBRL INSTANCE DOCUMENT | nwpx20201231_10k_htm.xml | XML | 1743172

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.: 21714297
SIC: 3317 Steel Pipe & Tubes