Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-25-005465
Filing Date
2025-02-27
Accepted
2025-02-27 16:09:10
Documents
118
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K nwpx20241231_10k.htm   iXBRL 10-K 2097090
2 EXHIBIT 19.1 ex_752261.htm EX-19.1 44996
3 EXHIBIT 21.1 ex_727600.htm EX-21.1 4237
4 EXHIBIT 23.1 ex_727601.htm EX-23.1 2594
5 EXHIBIT 31.1 ex_727602.htm EX-31.1 14136
6 EXHIBIT 31.2 ex_727603.htm EX-31.2 14180
7 EXHIBIT 32.1 ex_727604.htm EX-32.1 5031
8 EXHIBIT 32.2 ex_727605.htm EX-32.2 5233
14 ctrchart.jpg GRAPHIC 35520
15 nwpipe01.jpg GRAPHIC 6542
16 nwpipe02.jpg GRAPHIC 3761
  Complete submission text file 0001437749-25-005465.txt   11012080

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20241231.xsd EX-101.SCH 93389
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20241231_cal.xml EX-101.CAL 81151
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20241231_def.xml EX-101.DEF 628628
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20241231_lab.xml EX-101.LAB 549155
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20241231_pre.xml EX-101.PRE 684058
121 EXTRACTED XBRL INSTANCE DOCUMENT nwpx20241231_10k_htm.xml XML 1904586
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.: 25678770
SIC: 3317 Steel Pipe & Tubes
(CF Office: 04 Manufacturing)