# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001437749-22-019514
Filing Date
2022-08-09
Accepted
2022-08-09 10:54:59
Documents
69
Period of Report
2022-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-Q | nwpx20220630_10q.htm iXBRL | 10-Q | 1125624
2 | EXHIBIT 31.1 | ex_397364.htm | EX-31.1 | 13496
3 | EXHIBIT 31.2 | ex_397365.htm | EX-31.2 | 13335
4 | EXHIBIT 32.1 | ex_397366.htm | EX-32.1 | 4653
5 | EXHIBIT 32.2 | ex_397367.htm | EX-32.2 | 4870
| Complete submission text file | 0001437749-22-019514.txt |  | 5466488

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA | nwpx-20220630.xsd | EX-101.SCH | 47900
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | nwpx-20220630_cal.xml | EX-101.CAL | 46255
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | nwpx-20220630_def.xml | EX-101.DEF | 325659
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | nwpx-20220630_lab.xml | EX-101.LAB | 275264
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | nwpx-20220630_pre.xml | EX-101.PRE | 352775
63 | EXTRACTED XBRL INSTANCE DOCUMENT | nwpx20220630_10q_htm.xml | XML | 920066

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-Q | Act: 34 | File No.: 000-27140 | Film No.: 221147055
SIC: 3317 Steel Pipe & Tubes